Burhani Media Solutions LLC is seeking a highly skilled Full Stack Blockchain Developer to join our team. The ideal candidate will have expertise in developing and deploying smart contracts, decentralized applications (dApps), and full-stack blockchain solutions. If you have a strong background in blockchain development, smart contract programming, and full-stack web development, we want to hear from you!

• Design, develop, and deploy secure smart contracts using Solidity or Rust.
• Build and integrate decentralized applications (dApps) on blockchain platforms like Ethereum, Binance Smart Chain, or others.
• Develop and maintain backend services using Node.js, Python, or PHP.
• Create responsive and dynamic frontend interfaces using React, Next.js, Vue.js, or Angular.
• Work with Web3.js, Ethers.js, or other blockchain libraries for blockchain interactions.
• Implement blockchain security best practices to ensure smart contract integrity and protect against vulnerabilities.
• Optimize gas fees, transaction costs, and blockchain performance.
• Collaborate with the design and product teams to deliver seamless user experiences.
• Conduct code reviews, testing, and debugging to ensure high-quality production-ready code.

• Proven experience as a Full Stack Blockchain Developer.
• Strong proficiency in Solidity, Rust, or other smart contract languages.
• Hands-on experience with Ethereum, Polygon, Binance Smart Chain (BSC), or other blockchain networks.
• Proficiency in backend development (Node.js, Python, or PHP with Laravel).
• Strong knowledge of frontend frameworks like React.js, Next.js, Vue.js, or Angular.
• Experience with Web3.js, Ethers.js, or similar libraries.
• Familiarity with IPFS, The Graph, or Layer 2 solutions is a plus.
• Understanding of blockchain security best practices (reentrancy, front-running, etc.).
• Experience with smart contract audits is a plus.
• Strong problem-solving and communication skills.

• Prior experience working with DeFi, NFTs, or GameFi projects.
• Familiarity with Docker, Kubernetes, or cloud infrastructure.
• Experience with Hyperledger, Cosmos, or Polkadot ecosystems.

• Hourly rate: $25 - $40, based on experience and expertise.
• Flexible work hours.
• Opportunity to work on cutting-edge blockchain projects.

If you’re passionate about blockchain development and want to be part of a dynamic team, apply now! 🚀

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At IMC, technology is not a department; it’s at the heart of everything we do. Developed in-house, our innovative software makes millions of trading decisions daily, and we win bymaking better and faster decisions than our competition.

IMC’s Zug-based C++ Crypto Execution development team works on software that sits directly in the latency-critical loop of our technology stack and touches every part of our organisation. From ensuring our connectivity to the market and handling massive amounts of data, to implementing complex trading algorithms and integrating advanced hardware solutions.

Your Core Responsibilities:

As a software engineer, you’ll work in multidisciplinary teams alongside other engineers as well as traders, researchers, and quants to deliver challenging projects, while taking ownership of the end-to-end product development – from requirements gathering to production. You’ll write reliable, high-performance software while balancing time to production with quality and testability. Advanced automated testing and daily deployments will allow you to achieve agile and incremental benefits. Within a complex landscape of varying systems and technologies, you’ll be constantly challenged to consider trade-offs between latency, throughput, simplicity, scalability and maintainability.

• Coding, developing, testing, deploying and maintaining applications and automations for Trading Teams and/or Hardware Developrment and Execution Teams.
• Working through internal client requests. Gathering details, requirements and feedback from a range of internal stakeholders in order to implement creative automation solutions using innovative coding practices.

Your Skills and Experience:

• Strong programming skills in C++. Experience in the latest versions of C++ is highly desirable
• Familiarity with Python – preferred
• Familiarity with Docker and Kubernetes
• Comfortable in Linux environments
• Experience as a team lead and/or mentoring more junior engieers
• Experience gathering business requirements, communicating with key stakeholders and delivering solutions quickly
• The ability to work on greenfield projects under minimal supervision and to take full ownership of the applications you build
• A high degree of flexibility and adaptability: willing and able to deal with uncertainty and ambiguity in a rapidly evolving environment
• Strong troubleshooting and diagnostic skills; ability to solve problems creatively and proactively
• Prior knowledge of trading / capital markets isnotrequired. Curiosity and a willingness to learn is.

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EAA Integrations specializes in automation, building robust test automation frameworks to streamline system testing, enhance data integration, and improve business process efficiency. Our team develops reusable automation solutions along with integrations that empower teams to quickly and effectively validate complex systems, ensuring high-quality integrations and reliable performance.

What you’ll be doing (ie. job duties):

• Automation Engineer: Design, develop, maintain, and enhance the test automation platforms strategy, ensuring widespread adoption, usage, and thorough metrics tracking.
• Test Strategy: Develop comprehensive test strategies covering unit, functional (API/UI), and end-to-end testing across multiple business applications and IT systems.
• Test Development: Implement UI/API automated test scripts, focusing on unit, functional and integration testing of various enterprise applications, including but not limited to Salesforce, Netsuite, and AWS.
• Performance and Load Testing: Establish comprehensive load testing, performance testing, and regression testing strategies for enterprise applications.
• CI/CD Integration: Integrate automated tests into CI/CD pipelines to ensure continuous testing and validation across development and production environments.

What we look for in you (ie. job requirements):

• Bachelor's Degree in Computer Science, Engineering, or a related field, or equivalent practical experience.
• Experience: 1+ years of experience in software engineering, with expertise in test automation platforms and tools.
• Technical Skills:
• Familiarity with any Test Automation Frameworks like Selenium, UiPath, Sfops etc. for API and Functional testing.
• Skills:
• Strong programming skills in Python or JavaScript, or similar languages.
• Problem Solving: Proven track record of having a material impact on engineering velocity and product quality through automation-first testing approaches.
• Communication: Strong documentation skills and the ability to train and mentor other engineers on testing best practices.

Nice to haves:

• Proficiency in tools such as Playwright or UiPath for UI testing, Loader for load and performance testing APIs.
• Experience with continuous integration/continuous deployment (CI/CD) practices.

PID: 66054

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Textile’s mission is to accelerate the exchange of information on the Internet.  We are a lean, fully remote team dedicated to a shared mission. Since our first ML product in 2018, we’ve consistently advanced the state of the art for the cryptographically secured distributed data foundations needed by an AI-driven web. We’re supported by USV, Multicoin, Blueyard, and other world-class investors as well as a thriving developer community. We value passion, integrity, and an innovative mindset. We look for rigorous thinkers who ship quickly, collaborate proactively, learn continuously, and contribute to a fast-paced and engaging remote workplace. If that resonates, join us! We strongly encourage applications from individuals who belong to groups historically underrepresented in technology.  The Opportunity As Developer Relations, you will shape the future of AI by helping developers build powerful multi-agent systems, combining your technical expertise with community leadership to drive the next evolution of AI applications. As the bridge between our developer community and product team, you'll have direct impact on both our platform's development and its adoption in the AI ecosystem, while establishing yourself as a thought leader in this rapidly evolving space. What You'll Achieve: Success in this role means delivering world-class design solutions that enhance the usability and effectiveness of our our product suite, in particular our Portal product. Within your first year, you will:

Build and nurture a thriving developer community around Recall through technical content, speaking engagements, and direct developer engagement. Drive adoption of Recall by creating compelling demos, tutorials, and integration examples that showcase multi-agent systems. Own our developer experience strategy, including documentation, SDKs, and getting-started materials. Establish and grow strategic partnerships with AI communities, developer tools companies, and influential technologists. Create and deliver workshops and technical presentations at conferences, meetups, and online events. Gather and synthesize developer feedback to influence our product roadmap and feature development. Develop and maintain sample applications and reference architectures that demonstrate best practices.

Skills You'll Need: You’re likely a great fit if you have:

Experience building and maintaining developer communities. 5+ years of software development experience, with strong proficiency in Python and/or Typescript and modern development tools. Deep understanding of AI/ML concepts, particularly in LLMs and multi-agent systems. Track record of creating technical content including blog posts, tutorials, and documentation. Experience speaking at technical conferences and delivering workshops. Strong communication skills with ability to explain complex technical concepts to diverse audiences. Familiarity with developer tools ecosystem and modern software development practices. Background in developer experience (DX) or technical evangelism preferred.

If you’re excited about designing the next generation of AI-powered products and thrive in fast-paced, experimental environments, we’d love to hear from you! 🚀   Bonus Points:

Familiarity with any part of our tech stack: onchain/web3, SQL, big data, NFTs/tokens, etc. Leadership in driving team objectives, balancing business needs with team dynamics, and personal development. A broader appreciation for the pioneers of computing and a personal investment in areas beyond technology.

At Textile, we believe in the power of diversity to foster innovation and creativity. We encourage candidates from all backgrounds to apply, especially those who share our vision of democratizing software customization. If you're passionate about this role but don't meet every single requirement, we still want to hear from you. We offer competitive compensation, equity, and benefits tailored to provide a comprehensive and fulfilling work-life balance. Learn more about us at @recallnet, https://recall.network/,  https://basin.textile.io/, https://textile.io, @textile, https://github.com/tablelandnetwork, https://tableland.xyz, and @tableland. Perks:

Competitive salary and benefits. Contribute to projects at the forefront of the web. Work with a company on a mission to have a positive impact. Work on a fully remote team. Work with/on a small, passionate team. An entrepreneurial opportunity where you can have oversized impacts. Opportunity to drive innovation and strategy. Location Textile is a fully remote company spanning GMT -8 to GMT +1 (North America, South America, Central Europe). While being small, we've found that it is helpful to have a high level of overlap as a team. Learn more about us at https://github.com/tablelandnetwork, https://tableland.xyz, @tableland__, and https://textile.io.

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🚀 Join the Future of Commerce with Whatnot!  Whatnot is the largest livestream shopping platform in North America and Europe to buy, sell, and discover the things you love. We’re re-defining e-commerce by blending community, shopping, and entertainment into a community just for you. As a remote co-located team, we’re inspired by innovation and anchored in our values. With hubs in the US, UK, Ireland, Poland, and Germany, we’re building the future of online marketplaces—together. From fashion, beauty, and electronics to rare collectibles like trading cards, comic books, and even live plants, our live auctions have something for everyone. And we’re just getting started! As one of the fastest growing marketplaces, we’re looking for bold, forward-thinking problem solvers across all functional areas. Check out the latest Whatnot updates on our news and engineering blogs and join us as we enable anyone to turn their passion into a business, and bring people together through commerce. 💻 Role  Ads is a growing engineering team at Whatnot that is dedicated to building systems & features to help Sellers grow their business. As a software engineer on the Ads team, the most important qualities you'll need are making sound product decisions, navigating new domains seamlessly, taking extreme ownership, and shipping high-quality products fast. We always prioritize the highest impact features and ship them quickly. The software team has a lot of individual responsibility and many more freedoms, so we need to hire people we can trust. Your ability to put customers first, make good trade-offs and deliver impact is essential to us. In this role, you will…

Build highly scalable Ads system that handles all aspects of running an online advertising system and helps sellers differentiate themselves on Whatnot Focus on the web-based aspects of ad flows and the ad dashboard, with occasional backend work Maintain web apps, develop new features and potentially work around infrastructure. Understand our buyer and seller experiences and become an expert in helping them effectively scale their business through ads & monetization products

Team members in this role are required to be within commuting distance of our Kraków, Poland hub. 👋 You  Curious about who thrives at Whatnot? We’ve found that embodying a low ego, growth mindset, and high-impact drive goes a long way here.  As our next New Grad Engineer on the Ads team, you should have a graduation date between December 2024 and June 2025 plus:

Knowledge of multiple programming languages (we primarily use Python, Elixir, JavaScript - knowledge of these in particular not required) Previous internship experience Excellent product instincts. Thinks about users first and cares about building intuitive, high-impact products Can take a project from idea to launch, shipping features quickly while maintaining quality Enjoy taking ownership of projects and seeing them through from start to finish Learn new technologies quickly and is excited to grow in a fast-paced environment An excellent problem solver and don’t need to be told exactly what to do (Nice to have) Has exposure to ads systems, infrastructure, or international commerce

💛 EOE  Whatnot is proud to be an Equal Opportunity Employer. We value diversity, and we do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, parental status, disability status, or any other status protected by local law. We believe that our work is better and our company culture is improved when we encourage, support, and respect the different skills and experiences represented within our workforce.

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Who are we? FalconX is a pioneering team of operators, investors, and builders committed to revolutionizing institutional access to the crypto markets. Operating at the intersection of traditional finance and 
cutting-edge technology, FalconX addresses the industry's foremost challenges: Navigating the digital asset market can be complex and fragmented, with limited products and services that support trading strategies, structures, and liquidity found in conventional financial markets. As a comprehensive solution for all digital asset strategies from start to scale, FalconX operates as the connective tissue empowering clients with seamless navigation through the ever-
evolving cryptocurrency landscape. Senior Software Engineer (Platform) Job Summary: As a Software Engineer in Platform Engineering, you will play a crucial role in building internal tools and contributing to platform development. This hybrid role combines elements of DevOps, Application Security (AppSec), and Architecture to streamline the development process and improve efficiency. Key Responsibilities: Library and Module Development: - Design and develop abstract libraries and modules to streamline software development processes. - Create reusable images and scaffolding tools to support microservice applications, allowing developers to focus on configuration rather than infrastructure setup. Performance and Efficiency Improvement: - Analyze existing software components to identify areas for performance enhancement using tools like [specify tools if applicable]. - Implement optimizations to improve the efficiency and scalability of software systems. Internal Tooling and Automation: - Develop internal tools that allow developers to deploy environments with simple commands. - Abstract out reusable components from the codebase, making them part of the platform for developers to use as needed. - Standardize common libraries such as logging, observability (tracing), and profiling. - Ensure seamless integration with CI/CD pipelines using tools like Jenkins and GitHub Actions. Module Maintenance and Support: - Maintain and update libraries and modules to meet evolving business needs. - Provide support and documentation for other teams to effectively utilize these resources. Testing and Quality Assurance: - Write comprehensive test cases to ensure the reliability and quality of developed libraries. - Collaborate with QA teams to implement automated testing strategies using frameworks like [specify frameworks if applicable]. Collaboration and Communication: - Work closely with Principal Engineers, architects, and cross-functional teams to understand their requirements and provide tailored solutions. - Gather feedback from developers to continuously improve the "developer experience." Continuous Learning and Improvement: - Stay updated with the latest trends and advancements in software engineering and platform technologies. - Propose and implement innovative solutions to enhance platform capabilities. Qualifications: - Bachelor's degree in Computer Science, Software Engineering, or a related field. - Proven experience as a Software Engineer with a focus on platform engineering. - Strong proficiency in Python, Go, and JavaScript programming languages. - Experience in developing and maintaining software libraries and modules. - Excellent problem-solving skills and attention to detail. - Ability to write clean, maintainable, and well-documented code. - Proficient in writing and executing test cases. Preferred Qualifications: - Experience with version control systems like Git. - Familiarity with CI/CD pipelines and DevOps practices. - Knowledge of containerization technologies such as Docker and Kubernetes. - Experience in working with cloud platforms (e.g., AWS, Google Cloud, Azure). - Understanding of Linux systems. Notice at Collection and Privacy Policy Applicants located in California and/or applying to a role based in California, please refer to our Notice at Collection and Privacy Policy here.   Inclusivity Statement FalconX is committed to building a diverse, inclusive, equitable, and safe workspace for all people. Our roles are intended for people from all walks of life. We encourage all those interested in applying to our organization to submit an application regardless if you are missing some of the listed background requirements, skills, or experiences! As part of our commitment to inclusivity, FalconX would like to acknowledge that the EEOC survey has limited potential responses that you can select. For legal reasons, FalconX must use this language to align with federal requirements, however, we want to ensure that you are able to provide a response to our own voluntary survey questions about your identity that best aligns with your most true self. FalconX is an equal opportunity employer and will not discriminate against an applicant or employee based on race, color, religion, national origin, ancestry, ethnicity, sex (including gender, pregnancy, sexual orientation, and gender identity), age, physical or mental disability, veteran or military status, genetic information, citizenship, or any other legally-recognized protected basis under federal, state, or local law. Applicants with disabilities may be entitled to reasonable accommodation under the Americans with Disabilities Act and other applicable state or local laws. A reasonable accommodation is a change in the way things are normally done which will ensure an equal employment opportunity without imposing undue hardship on FalconX. Please inform FalconX’s People team at email, if you need assistance with participating in the application process.

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Company Description

At NFTeria Inc., we empower individuals to own the future by merging innovation, security, and decentralization into seamless solutions. Our goal is to push boundaries in Web3, AI-driven authentication, and blockchain technology, helping users stay ahead in a fast-moving world. We are redefining digital ownership by building a future where trustless authentication, self-sovereign identity, and frictionless interactions are the standard.

The Opportunity

The time is right for this. Everything is Web3—no off-chain gaps, no compromises, just pure decentralization.

We’re assembling a highly specialized team for a unique and groundbreaking project. This is an opportunity to work at the intersection of blockchain, AI, and Web3 infrastructure, where AI agents communicate with ML models, feeding predictions into automated decision-making processes that integrate seamlessly across decentralized systems.

Since there are many open positions, this post is the first step in identifying who’s who. As we refine our hiring process, we’ll focus on filling the most critical roles with top-tier talent. If you’re interested, reach out and be part of something truly special.

Open Positions

Smart Contract Specialists (9 Total)

• 3 Vyper (Ethereum-based, web3.py, MetaMask, Rabby Wallet)

• 3 Rust (Solana, Anchor framework, Phantom, Solflare Wallets)

• 3 Clarity (Stacks blockchain, Stacks.js, Hiro Wallet)

Web3 Full-Stack Developers (2 Total)

• Python, Vyper, Moccasin, Boa, Anaconda (SNAKE ENVs)

AI Agent Engineers (4 Total)

• 2 Python-based AI Agents (LangChain)

• 2 TypeScript-based AI Agents (ElizaOS)

Machine Learning Developers (2 Total)

• Time Series Forecasting, TensorFlow, Scikit-Learn, Keras, Python

Frontend Developers (2 Total)

• Vanilla CSS, HTML, TypeScript, modular code

Stack-Specific Tooling

• Clarity (Stacks blockchain) → Uses Stacks.js for frontend interactions + Hiro Wallet

• Ethereum-based (Vyper) → Uses web3.py + MetaMask, Snaps

• Solana (Rust) → Uses Anchor framework + Phantom, Solflare Wallets

• Bitcoin L2s → Uses Stacks.js or other Bitcoin-native tooling + Xverse, Leather Wallet

Role Description

This is a full-time remote role for Blockchain Developers at NFTeria Inc. Responsibilities include:

• Developing and securing blockchain solutions across multiple chains.

• Integrating AI-driven authentication via computer vision & decentralized identity models.

• Building seamless, trustless interactions between AI agents, ML models, and smart contracts.

• Working with cryptography, back-end web development, and scalable decentralized architecture.

Qualifications

• Expertise in Blockchain & Smart Contract Development (Solidity, Vyper, Rust, Clarity).

• Cryptography & Decentralized Identity (DID) solutions experience.

• Proficiency in AI-driven authentication (computer vision, ML-based fraud detection).

• Deep experience in Web3 tooling, wallets, and frameworks.

• Strong problem-solving & analytical skills in a high-speed, innovation-driven environment.

Why Join?

• This is a special project, an opportunity to be part of something revolutionary. We’re moving fast—if this excites you or you know someone who would be a great fit, share this post and let’s build the future together. 🚀

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Molecule is at the heart of the Decentralized Science (DeSci) movement where biotech and blockchain meet to democratize scientific research, earning recognition and support from key figures in the web3 world, including Vitalik Buterin, Balaji, and Juan Benet. We're known for creating VitaDAO, the first and largest biotech DAO with more than $4m in funding deployed, bio.xyz, a vital hub supporting and building biotech DAOs, the IP-NFT, a protocol bringing rights to IP and R&D data on-chain, and IPTs, ERC-20 tokens minted from IP-NFTs to allow token holders to construct and cultivate valuable IP. We’ve also recently launched launchpad, a platform to launch, discover, and fund the best projects in DeSci.

Over the past 24 months, we have raised $20+ million to build the future of decentralized biotech. Join us and contribute to a future where scientific discovery is driven by web3.

About Us

BIO.xyz is at the forefront of the Decentralized Science (DeSci) revolution. We are building the next-generation financial layer to accelerate biotech innovation by decentralizing funding, coordination, and governance of scientific IP. Our mission is to empower researchers, universities, and companies worldwide to commercialize the best science faster through blockchain technology.

With our protocol, BIO.xyz enables funding, development, and governance of tokenized scientific intellectual property (IP), fostering a thriving ecosystem of biotech DAOs and IP assets. Join us to reshape the future of science and innovation!

Your Role

At BIO.xyz, we are building the future of decentralized science (DeSci). Our platform connects autonomous agents to cutting-edge labs and smart contract-based treasuries, enabling researchers and agents to collaborate, innovate, and push the boundaries of scientific discovery. We are looking for a passionate Full Stack Developer to bring this vision to life.

What You'll Be Doing

• Platform Development: Design and build scalable, modular front-end and back-end systems for the Bio Protocol platform.

• Web Application: Create intuitive UIs for researchers and agents to submit tasks, manage funding, and view experiment outcomes.

• Blockchain Integration: Develop and integrate Ethereum smart contracts (Layer 1 or Layer 2) into the platform for $BIO token transactions, staking, and rewards.

• API Layer: Build RESTful or GraphQL APIs to connect the front-end interface with agent harnesses and external lab resources.

• Database Management: Implement decentralized and traditional databases to store metadata, reputation scores, and task logs.

• Security: Ensure all platform components adhere to the highest security standards, including encryption, authentication, and transaction safety.

What We’re Looking For

• 3+ years in fullstack development

• Proven experience with blockchain technology (Solidity, Hardhat, or similar

• Proficiency in JavaScript/TypeScript, Node.js, React.js/Vue.js, and Python

• Experience with database systems like MongoDB, PostgreSQL, or IPFS

• Knowledge of smart contract development and integration (e.g., ERC-20, staking mechanisms)

• Understanding of Ethereum Layer 2 solutions (Polygon, Optimism, Arbitrum)

• Enthusiasm for decentralized systems, DeSci, and innovation in research

• Experience in integrating AI/ML models with web applications preferred

• Contribution to open-source projects in blockchain or scientific domains is a big plus

Why Join Us?

At BIO.xyz, you’ll be part of an innovative, mission-driven startup that’s disrupting the world of decentralized science. If you’re passionate about pushing boundaries and creating real-world impact, this is your opportunity to shape the future of research and innovation.

Here, you’ll work alongside a skilled, fast-paced team that thrives on creativity, collaboration, and bold ideas. You’ll be challenged, inspired, and empowered to bring your best work every day.

• HODL: You’re not just taking a job — you’re joining a movement. Every project you contribute to directly impacts the future of science and technology.

• WAGMI: We reward most full time positions with token equity and give you the opportunity to co-author future DeSci standards.

• Alpha: In our young, fast growing team, your voice matters. You’ll have the chance to shape not only your future but also the future of science research and innovation.

If you’re ready to take on big challenges, work with brilliant minds, and create something that matters, LFG - BIO.xyz is the right place for you!

We are an equal opportunity employer. We are committed to equality and weaving a community that values diverse perspectives and experiences and are actively seeking a diverse pool of applicants. All employment decisions are made without regard to race, colour, national origin, ancestry, sex, gender, gender identity or expression, sexual orientation, age, genetic information, religion, disability, medical condition, pregnancy, marital status, family status, veteran status, or any other characteristic protected by law.

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Biconomy empowers Web3 developers to build seamless, user-friendly dApps that work effortlessly across multiple blockchains. Our battle-tested modular account and execution stack eliminates traditional UX friction points, helping projects accelerate user adoption while reducing development costs. By processing over 50 million transactions across the 300+ dApps we’ve served, we’re powering the future of onchain economies.

The Role: Innovating at the Intersection of AI and DeFi

We’re assembling a new team to build an innovative AI-powered product aimed at transforming how users do on-chain transactions. This is a greenfield project in its early development, offering a unique opportunity to tackle complex challenges and push the boundaries of AI in Web3. We can share more details about the project throughout the interview process.

What Will You Be Doing?

• Develop next-generation AI for Crypto Transactions: Design and implement AI-driven solutions that enhance multi-chain interactions, focusing on scalability, security, and usability.
• Optimize AI & Multi-Agent System Performance: Work on improving system efficiency when interacting with AI models, mitigating hallucinations, and enhancing the performance of multi-agent systems for latency and accuracy.
• Build AI-powered automation systems: Develop and deploy LLM-based AI agents capable of interpreting and executing user intents, providing automated execution strategies for on-chain transactions.
• Deploy and fine-tune local AI models: Ensure high efficiency, accuracy, and security in real-world DeFi applications by fine-tuning LLMs and local machine learning models.
• Work with advanced blockchain infrastructure: Implement solutions that understand and process on-chain DEX transactions, bridge transactions across EVM and non-EVM chains, and optimize execution paths.
• Collaborate cross-functionally: Work closely with blockchain engineers, product teams, and UX/UI designers to integrate AI seamlessly into the Biconomy ecosystem.
• Stay on the cutting edge: Research and experiment with the latest advancements in AI, machine learning, and blockchain to keep our product innovative and competitive.

Requirements:

• 5+ Years of Software Development: Including at least 2 years in blockchain development, with proven experience leading technical teams and projects.
• Strong AI & ML Expertise: Hands-on experience deploying and fine-tuning LLM models and developing local AI models for optimized inference.
• Deep blockchain knowledge: Understanding of on-chain DEX transactions, bridge transactions across EVM and non-EVM chains, and the infrastructure behind them.
• DeFi Enthusiast: 2+ years of experience interacting with DeFi protocols and multi-chain ecosystems.
• Proficient in Python, TypeScript, and React, with a focus on clean, scalable, and maintainable code. Knowledge of Solidity or Rust is a plus.

What We Offer:

• Flexible Working Hours: Enjoy autonomy over your schedule.
• Generous Vacation Policy: 25 days vacation per year plus public holidays
• Competitive Salary: With regular performance reviews.
• Token Allocation: Be rewarded with tokens as part of our compensation package.
• Growth Opportunities: Be part of an exciting new project with significant career growth potential.
• Innovative Work Culture: Join a team that’s at the cutting edge of Web3, AI, and DeFi, and help shape the future of the digital economy.
• Fun and Engaging Team Activities: Game nights, virtual celebrations, and work retreats to keep things exciting.

At Biconomy, we believe in creating a diverse and inclusive workplace. We are committed to being an equal-opportunity employer, and we do not discriminate based on race, national origin, gender, gender identity, sexual orientation, disability, veteran status, age, or any other legally protected status.

About Us

Chorus One is one of the leading operators of infrastructure for Proof-of-Stake networks and decentralized protocols. Tens of thousands of retail customers and institutions are staking billions in assets through our infrastructure helping to secure protocols and earn rewards. Our mission is to increase freedom and speed of innovation through decentralized technologies.

We are a diverse team of around 60 people distributed all over the globe. We value radical transparency, striving for excellence and improvement while treating each other with kindness and generosity. If this sounds like you, we’d love to hear from you.

Role

As a Platform Engineer, you must be able to work in an ambiguous environment with an optimistic attitude, that can easily (and happily) wear many hats. You are able to uphold our company’s principles and values while adding to our unique culture. As a member of our Team, you will broadly be responsible for working collaboratively with team members and partners across projects. The right person will be responsible for maintaining, scaling, and monitoring existing infrastructure, including cloud machines, bare-metal servers, and a Kubernetes cluster, to allow Chorus One to provide secure and reliable industry-leading Proof-of-Stake validation services. Leading with intellectual curiosity with a high standard of excellence as well as ensuring best practice across development, testing, and security.

The Platforms Engineers within our Infrastructure team play a pivotal role in laying the foundation for Chorus One’s ongoing growth, thus we are continuously expanding our team and seeking skilled Platforms Engineers to join us.

Job Type: Full-time

Responsibilities

• Maintain, scale and monitor existing infrastructure, including bare metal servers, cloud machines, and a Kubernetes cluster, to allow Chorus One to provide secure and reliable industry-leading Proof-of-Stake validation services.
• Institute monitoring and alerting systems for infrastructure. Enable other team members to attend to and troubleshoot problems as they arise.
• Take all steps required to ensure maximum availability and uptime of maintained blockchain networks. This includes routine and emergent application updates, monitoring of systems, timely response to alerts and on-call phone calls, as well as rapid response to mitigate site outages.
• Develop software related to blockchain data extraction or interchain communication, on an as-needed basis.
• Reason about and improve the security properties of infrastructure. Secure key management, server hardening, and intrusion detection are important themes.

What we are looking for

• Strong Linux skills, including a deep understanding of the kernel and userspace.
• Strong networking skills, including a deep understanding of routing, forwarding, and load-balancing.
• Has prior experience with a range of orchestration and configuration management tools. We use Kubernetes, Ansible, Terraform and Salt.
• Is able to develop tooling, and monitoring solutions where none exist and can debug unreliable software - many of the projects we run are of alpha quality.
• Possesses good knowledge of security as it relates to bare metal and cloud-based infrastructure.
• We are not just looking for someone who can configure an existing cloud solution, but we are looking for someone who can build the infrastructure underlying a cloud.
• We expect candidates to know one programming language in addition to Bash, and we test for this with a coding interview. We don’t expect you to be a seasoned software engineer, but we do expect you to be comfortable writing small programs. Popularly used languages at Chorus One are Python, Golang and Rust.
• Is able to work independently, with a high level of ambiguity and undefined requirements.
• Bachelor’s or advanced degree in Computer Science or a related subject is a plus, but not strictly needed.
• You are able to work in the following time zone: Switzerland ± 6 hours.

Our Offer

• Autonomy and ownership in a friendly and supportive work environment and the opportunity for rapid growth.
• Competitive fixed compensation (USD 100k - 140k) + equity.
• All-expense paid biannually team retreats at various destinations (Coronavirus permitting). Past retreats took place in Egypt, Serbia, Kenya, USA, South Korea, and Dubai.
• Remote, but not alone. We are a strong global collaborative environment.
• Remote working budget (Laptop, co-working space, etc)
• Personal development budget
• Gather experience and build your network in the vibrant crypto ecosystem.
• Learn about state-of-the-art protocols that lay the foundation for an open, transparent, and programmable financial system.

Biconomy empowers Web3 developers to build seamless, user-friendly dApps that work effortlessly across multiple blockchains. Our battle-tested modular account and execution stack eliminates traditional UX friction points, helping projects accelerate user adoption while reducing development costs. By processing over 50 million transactions across the 300+ dApps we’ve served, we’re powering the future of onchain economies.

The Role: Innovating at the Intersection of AI and DeFi

We are assembling a world-class team to redefine on-chain analytics using AI Agents & Machine Learning. As a DevOps Engineer, you will build and optimize the AI & ML infrastructure, enabling real-time wallet activity analysis, ML-driven tagging, and PnL insights at scale. You’ll work with Kafka, Snowflake, AWS S3, and high-speed data pipelines to process over 10-15 billion rows of historical data and real-time streaming events, ensuring a scalable, secure, and efficient AI ecosystem.

This is a high-impact role at the core of our AI-driven crypto intelligence platform.

What Will You Be Doing?

Scalable AI & ML Infrastructure

• Design & optimize cloud-native architectures for AI & ML-driven analytics on DeFi transactions.
• Develop and maintain high-performance, distributed computing environments that process billions of on-chain and off-chain events.
• Deploy and manage ML models & AI agents efficiently in Kubernetes (K8s) and other containerized environments.

High-Speed Data Engineering

• Design real-time streaming pipelines using Kafka for high-frequency on-chain transaction ingestion.
• Optimize Snowflake queries & storage solutions to handle large-scale blockchain datasets efficiently.
• Implement ETL/ELT pipelines for structured & unstructured blockchain data aggregation.

Infrastructure Automation & Reliability

• Automate cloud infrastructure using Terraform, Pulumi, or CloudFormation for seamless scaling.
• Enhance security & performance with CI/CD best practices for AI model deployment.
• Implement observability, logging & monitoring with tools like Prometheus, Grafana, and Datadog.

ML & AI Model Deployment

• Streamline model deployment for AI agents that analyze blockchain wallet behavior.
• Build infrastructure to support model training, inference, and real-time decision-making.
• Optimize GPU workloads for AI-driven pattern recognition & risk analysis.

Collaboration Across Teams

• Work alongside AI engineers, blockchain developers, and data scientists to integrate AI-driven insights into DeFi tools.
• Optimize node infrastructure & RPC services for multi-chain DeFi interactions.
• Research and implement best practices in Web3 DevOps, cloud automation, and ML infrastructure.

Requirements:

Core Experience

• 5+ years of DevOps experience, specializing in AI/ML infrastructure & high-scale data pipelines.
• Expertise in AWS, GCP, or Azure, focusing on scalable, event-driven architectures.
• Experience handling Kafka queues, Snowflake databases, and massive-scale data processing.

DevOps & Infrastructure Skills

• CI/CD Automation using GitHub Actions, CircleCI, Jenkins, or ArgoCD.
• Kubernetes & Docker for managing AI workloads and high-performance model inference.
• Infrastructure-as-Code (IaC): Terraform, Pulumi, or CloudFormation.

Data Engineering & AI Model Ops

• Experience with Kafka, Snowflake, and S3 for real-time & historical data processing.
• ML Model Deployment: Knowledge of TensorFlow, PyTorch, or ONNX for AI-based wallet analytics.
• Strong Python & Bash scripting for automation and orchestration.

Security & Reliability

• Security-first mindset: Experience with IAM, firewall management, and Web3 security best practices.
• Observability & Monitoring using Prometheus, Grafana, Datadog, or OpenTelemetry.

Bonus Skills

• Experience with multi-chain blockchain infrastructure (Ethereum, Solana, L2s).
• Knowledge of DeFi protocols, smart contracts, and risk analytics.
• Experience with AI inference at scale (Ray, Triton, Hugging Face Transformers, etc.)

What We Offer:

• Flexible Working Hours: Enjoy autonomy over your schedule.
• Generous Vacation Policy: 25 days vacation per year plus public holidays
• Competitive Salary: With regular performance reviews.
• Token Allocation: Be rewarded with tokens as part of our compensation package.
• Growth Opportunities: Be part of an exciting new project with significant career growth potential.
• Innovative Work Culture: Join a team that’s at the cutting edge of Web3, AI, and DeFi, and help shape the future of the digital economy.
• Fun and Engaging Team Activities: Game nights, virtual celebrations, and work retreats to keep things exciting.

At Biconomy, we believe in creating a diverse and inclusive workplace. We are committed to being an equal-opportunity employer, and we do not discriminate based on race, national origin, gender, gender identity, sexual orientation, disability, veteran status, age, or any other legally protected status.

Apply Now:

• Team - The Agent Productivity Tools (APT) team is a vital part of Coinbase’s Enterprise Applications and Architecture org, responsible for building the customer experience platforms that streamlines the customer service and compliance processes with innovative services, tools and applications that improve the efficiency and effectiveness of CX agents. This helps resolve customer issues and compliance KYC processes faster, with greater accuracy, and ultimately this leads to higher customer satisfaction levels and a better overall compliant experience for our customers.
• Role - You will be building applications that will enable Coinbase Customer Agents and other users to increase their productivity, drive automation, and deliver impact at scale through AI/ML-based technologies.

What you’ll be doing

• Build complete user features including front and backend using React, Js frameworks, Golang and cloud technologies
• Lead assessment and implementation of third-party AI/ML tools.
• Deliver cross-functional outcomes to complex problems in collaboration with product, design, security, data or other engineering teams
• Demonstrate a keen awareness of Coinbase’s platform, development practices, and various technical domains and build upon them to efficiently deliver improvements across multiple teams.
• Participate in an environment where innovative ideas are regularly generated, vetted, and transformed into action.
• Foresee potential issues before they arise and adapt their own approach, working within constraints to avoid adverse impact.
• Communicate across the company to technical and non-technical leaders with ease.
• Quickly distill complex technical themes so that an entry level, non-tech team member can understand them.
• Mentor team members in design techniques and best practices in coding, testing, release/deploy process, documentation, metrics/logging and scaling.
• Working with teams and teammates across multiple time zones.

What we look for in you

• You have at least 2 years of experience in software engineering and at least 5 years of experience in developing large scale systems with Golang and cloud technologies and shipping user-facing features with JavaScript and modern, component-based JS frameworks like React.
• Proven experience in integrating AI/ML APIs into web applications.
• Experience with third-party vendor integrations.
• You enjoy and have experience with large-scale, high-traffic platforms and implementing scalable, robust services in the real world.
• You have experience in authoring and contributing to technical architecture and implementing them.
• Experience in AWS, Kubernetes, Terraform, BuildKite or similar.
• Experience in rate limiters, caching, load balancing, circuit breakers, metrics, logging, tracing, debugging etc.
• Experience in event driven architectures (Kafka, MQ etc.), proficiency in either SQL or NoSQL DBs, understanding of concepts like gRPC, GraphQL, ETL.
• Proficiency in Go.

Nice to haves:

• Python, Ruby
• SaaS platform experience
• Applications using OpenAI/ChatGPT

Job ID: P63224

Apply Now:

Who are we? FalconX is a pioneering team of operators, investors, and builders committed to revolutionizing institutional access to the crypto markets. Operating at the intersection of traditional finance and 
cutting-edge technology, FalconX addresses the industry's foremost challenges: Navigating the digital asset market can be complex and fragmented, with limited products and services that support trading strategies, structures, and liquidity found in conventional financial markets. As a comprehensive solution for all digital asset strategies from start to scale, FalconX operates as the connective tissue empowering clients with seamless navigation through the ever-
evolving cryptocurrency landscape.FalconX is building the world’s smartest institutional brokerage for digital assets  FalconX is one of the fastest growing startups in FinTech. We are a digital asset brokerage delivering best-in-class pricing and execution capabilities for institutional traders and investors. Our vision is to grow the digital asset ecosystem 1000X with industry-leading prime brokerage solutions.  We are data-driven.  Whether it's a growth or product decision, we believe data can always help us make more precise and informed choices.  We move fast.  Speed of execution is essential for any startup, but we believe this is even more pertinent in our nascent industry.  We value diversity and debate.  We believe the direction of our company is shaped by opposing viewpoints and experiences, and that this diversity helps us learn and maximize our opportunity for success.  FalconX is headquartered in Silicon Valley and has offices in Bangalore and Chicago. Who is on the team?  We are entrepreneurs. More than half of us have experience founding a company. We come from leading institutions including Google, LinkedIn, JUMP, Citadel, Goldman Sachs, Harvard Business School, Carnegie Mellon, IIT + more. We are backed by some of the best investors in the world including Accel Partners, Flybridge Capital, Lightspeed Venture Partners.  Impact  At FalconX, you’ll help make crypto assets a successful asset class. Some of the largest financial institutions from Wall Street to Silicon Valley and around the world will turn to you for the best market prices and insights on the crypto industry. You will become the expert on crypto industry trends and market movements. With your experience, you will shape our company’s trading strategies according to our core values - speed, transparency and trust.  Responsibilities 

Build scalable and high performant customer facing application  Work as a full stack engineer, delivering high quality code for both backend and frontend Own product features end to end  Analyse, design and develop test cases for new features Work collaboratively with engineering, business and operations team 

Requirements 

Interest in Blockchain and Decentralisation  At least 5+ years of full stack engineering experience in Python / Golang with React JS and Javascript / Typescript Work experience across the stack to build, test and ship new user facing products  Familiarity working on SQL databases Comfortable with working in linux environment and shell scripting Ability to move fast and deliver code  Tech stack would be https://stackshare.io/falconx/core 

Bonus Criteria 

Candidates with a strong computer science background. Bachelor's degree in computer science from IIT/NIT or equivalent institutes will be preferred  Experience working in an early stage startups  Willingness to move fast and deliver solutions Notice at Collection and Privacy Policy Applicants located in California and/or applying to a role based in California, please refer to our Notice at Collection and Privacy Policy here.   Inclusivity Statement FalconX is committed to building a diverse, inclusive, equitable, and safe workspace for all people. Our roles are intended for people from all walks of life. We encourage all those interested in applying to our organization to submit an application regardless if you are missing some of the listed background requirements, skills, or experiences! As part of our commitment to inclusivity, FalconX would like to acknowledge that the EEOC survey has limited potential responses that you can select. For legal reasons, FalconX must use this language to align with federal requirements, however, we want to ensure that you are able to provide a response to our own voluntary survey questions about your identity that best aligns with your most true self. FalconX is an equal opportunity employer and will not discriminate against an applicant or employee based on race, color, religion, national origin, ancestry, ethnicity, sex (including gender, pregnancy, sexual orientation, and gender identity), age, physical or mental disability, veteran or military status, genetic information, citizenship, or any other legally-recognized protected basis under federal, state, or local law. Applicants with disabilities may be entitled to reasonable accommodation under the Americans with Disabilities Act and other applicable state or local laws. A reasonable accommodation is a change in the way things are normally done which will ensure an equal employment opportunity without imposing undue hardship on FalconX. Please inform FalconX’s People team at email, if you need assistance with participating in the application process.

Apply Now:

Who are we? FalconX is a pioneering team of operators, investors, and builders committed to revolutionizing institutional access to the crypto markets. Operating at the intersection of traditional finance and 
cutting-edge technology, FalconX addresses the industry's foremost challenges: Navigating the digital asset market can be complex and fragmented, with limited products and services that support trading strategies, structures, and liquidity found in conventional financial markets. As a comprehensive solution for all digital asset strategies from start to scale, FalconX operates as the connective tissue empowering clients with seamless navigation through the ever-
evolving cryptocurrency landscape.Senior Software Engineer, Blockchain Full-time | Engineering San Mateo, CA Who are we? FalconX is one of the fastest-growing startups in FinTech. We are redefining prime brokerage from the ground up. We are backed by some of the best investors in the world including American Express, Fidelity, Coinbase, Lightspeed Venture Partners, Accel Partners, Fenbushi Capital, BCapital, Tiger Global + more. We deliver institutional digital asset traders best-in-class trading, credit, custody and structured products. We trade, lend and secure tens of billions of dollars monthly, are highly profitable, and growing fast, so we need your help!   We are data-driven. Whether it's a growth or product decision, we believe data can always help us make more precise and informed choices. We move fast. Speed of execution is essential for any startup, but we believe this is even more pertinent in our 24/7 industry. We prioritize learning. Outcomes are mission-critical, but we also believe that learning in success and in failure will drive our continued success. Our industry is emergent - there’s no shortage of experiments to get involved with and to continue growing and learning together.   Who is on the team? We are entrepreneurs. Many in our company have been founders or have aspirations to eventually start their own company. We take these ambitions and experiences to bring a solutions-oriented mindset to the problems we encounter day-to-day.   We are experienced. We have been fortunate to have learned from mentors and peers at institutions such as Google, LinkedIn, JUMP Trading, Citadel, PEAK6 Investments, Goldman Sachs, Harvard Business School, Carnegie Mellon, IIT + more.   Impact At FalconX, you’ll help create a more open financial system. In building trading, credit and custody infrastructure, we are enabling thousands more institutions to enter the market and support a more open and accessible financial system. The world’s largest financial institutions from Wall Street to Silicon Valley will turn to you for products that provide unparalleled seamless, efficient and secure access to the cryptocurrency sector. FalconX is hiring a Software Engineer focused on Blockchain to help introduce a new, in-demand product line for the company that integrates seamlessly with our proprietary, best-in-class Prime Brokerage platform. You will be instrumental in the implementation of critical blockchain infrastructure supporting all major chains and protocols. This implementation must be designed for ease of integration into the broader technology stack and demonstrate ease-of-use, operational efficiency, security, and stability. We are looking for an experienced Software Engineer with a strong understanding of blockchain, cryptocurrencies, wallets, and platforms to build upon our vision of an open financial system.   Responsibilities:

Drive architectural design and implementation of the Web3 stack, across all major chains and protocols Scale and operate robust services to enable customers to interact with various Blockchains including Bitcoin, Ethereum, and others Drive innovation by safely adopting and testing new technologies and products in the blockchain space Strive for generalization across blockchains instead of specialization Integrate Blockchain data and primitives into the rest of the Platform stack through repeatable and generalizable interfaces Take ownership of technical aspects and ensure technology is designed and built around our customers’ needs Collaborate closely with Engineering and Product leadership to plan, estimate, prioritize, and productize new products and features Build and deliver against an aggressive product roadmap supporting strategic business initiatives Rapidly iterate to add support for emerging blockchain features and functionality while ensuring high availability and scalability Provide ongoing maintenance of the technology stack as it matures, ensuring production-quality reliability, impeccable performance, and ease of use Ability to understand, triage, and address customer-facing and internal-facing technical issues quickly and effectively Provide subject matter expertise on the Blockchain ecosystem and our own in-house blockchain integrations

  Preferred Qualifications:  

Proven technical leader in Blockchain technologies with significant experience working with various Blockchain protocols and structures You have experience shipping and maintaining multiple projects with a large user base, supporting each through multiple years of iteration and growth You have expertise writing production code in Java, TypeScript, Go, Rust, Python, or equivalent You have a strong understanding different consensus protocols Strong working knowledge of modern software development methodologies and software design patterns Experience building robust backend services and leveraging orchestration systems such as Kubernetes to deploy them at scale A self-starter eager to explore, iterate, and contribute to decision-making Experience working with existing Blockchain-as-a-service stacks is a plus Familiarity with cryptographic signing algorithms, asymmetric cryptography, and key management is a plus

Base pay for this role is expected to be between $179,000 - $242,000 USD for New York City and San Francisco Bay Area. This expected base pay range is based on information at the time this post was generated. This role will also be eligible for other forms of compensation such as a performance linked bonus, equity, and a competitive benefits package. Actual compensation for a successful candidate will be determined based on a number of factors such as location, skillset, experience, and qualifications.Notice at Collection and Privacy Policy Applicants located in California and/or applying to a role based in California, please refer to our Notice at Collection and Privacy Policy here.   Inclusivity Statement FalconX is committed to building a diverse, inclusive, equitable, and safe workspace for all people. Our roles are intended for people from all walks of life. We encourage all those interested in applying to our organization to submit an application regardless if you are missing some of the listed background requirements, skills, or experiences! As part of our commitment to inclusivity, FalconX would like to acknowledge that the EEOC survey has limited potential responses that you can select. For legal reasons, FalconX must use this language to align with federal requirements, however, we want to ensure that you are able to provide a response to our own voluntary survey questions about your identity that best aligns with your most true self. FalconX is an equal opportunity employer and will not discriminate against an applicant or employee based on race, color, religion, national origin, ancestry, ethnicity, sex (including gender, pregnancy, sexual orientation, and gender identity), age, physical or mental disability, veteran or military status, genetic information, citizenship, or any other legally-recognized protected basis under federal, state, or local law. Applicants with disabilities may be entitled to reasonable accommodation under the Americans with Disabilities Act and other applicable state or local laws. A reasonable accommodation is a change in the way things are normally done which will ensure an equal employment opportunity without imposing undue hardship on FalconX. Please inform FalconX’s People team at email, if you need assistance with participating in the application process.

Apply Now:

Solidity Labs is seeking a seasoned Software Engineer with a minimum of 5 years of hands-on experience. A Bachelor’s degree in Computer Science is a plus, but not a requirement. We provide a unique opportunity to learn and work with a world-class team on Solidity Smart Contracts. This role will equip you with valuable skills in this emerging field, including smart contract security, architecture, and contributing to bleeding edge open source projects across all industry verticals.

Key Responsibilities

• Collaborate across different teams to develop, test, and deploy smart contract systems.
• Participate in system architecture, protocol design, and decision-making to ensure security and minimize attack surface.
• Define and discover requirements for projects, thinking through edge cases and downstream effects of system changes.
• Stay updated with emerging technologies in the blockchain space and continuously enhance your knowledge.
• Work on cutting edge cross-chain, DeFi, and L2 platforms.
• Formally verify newly built systems.
• Ensure code quality and perform code reviews.

Qualifications

• 5+ years of professional experience in software engineering.
• Proficiency in modern programming languages such as Rust, Solidity, Go, or Python.
• Strong analytical and problem-solving skills.
• Ability to think through edge cases and identify architectural issues.
• A security-oriented mindset, thinking both as an attacker and a defender.
• Excellent communication skills and the ability to work well in a team.

What We Offer

• Competitive salary and comprehensive benefits package.
• The opportunity to work with a world-class engineering team.
• A diverse and inclusive work environment.
• Flexible working arrangements with the possibility for partial remote work.
• The chance to work on meaningful projects at the forefront of blockchain technology.
• An in-person workplace to up-skill as fast as possible.

How to Apply

Ready to take the leap into building the next generation of smart contract systems? Send your resume along with a codebase you worked on that you are most proud of. Explain why you are particularly proud of this work.

Solidity Labs is an equal opportunity employer. We encourage applications from candidates of all backgrounds and experiences.

About Us

Chorus One is one of the leading operators of infrastructure for Proof-of-Stake networks and decentralized protocols. Tens of thousands of retail customers and institutions are staking billions in assets through our infrastructure helping to secure protocols and earn rewards. Our mission is to increase freedom and speed of innovation through decentralized technologies.

We are a diverse team of 70+ people distributed all over the globe. We value radical transparency, striving for excellence and improvement while treating each other with kindness and generosity. If this sounds like you, we’d love to hear from you.

Position Overview

As a software engineer, you will join our product engineering team to help build our customer-facing offerings. Projects you might work on are our Opus Pool Ethereum staking portal, the Chorus One SDK that can generate staking transactions for many of the networks we support, gathering rewards data, and whatever we need to offer best-in-class solutions for the parties who want to stake with us. You will also work closely with our platforms engineering teams who operate our validator nodes.

Our Tech Stack

The software we develop at Chorus One, both internal and external-facing, is written in various languages, depending on what is most suitable for the project. We have code in Rust, Go, Python, and TypeScript, and we occasionally have to dive into codebases of the blockchains we work with, so we deal with code written in Rust, C++, OCaml, TypeScript, and a host of smart contract languages. Our database of choice is Postgres, and we deploy our applications either directly on top of Ubuntu, or on Kubernetes.

Key Responsibilities

• Design and develop new features, Understand the needs of our customers, identify solutions, discuss with fellow engineers how they should be implemented, and drive the implementation to completion.
• Support and collaborate. Review and discuss engineering designs, review code, help fellow engineers, and mentor them on a technical level.
• Innovation and continuous improvement. Seek to simplify, optimize, and secure our staking services and systems.

Job requirements

What we are looking for:

• 4+ years experience as a software engineer.
• Having worked on a user-facing product before, especially operating and maintaining server-side software in production.
• Deep understanding of at least one compiled statically typed programming language such as Rust, Go, or Kotlin.
• Experience with at least one gradually typed dynamic language, such as Python + Mypy or TypeScript.
• Experience using SQL databases, preferably PostgreSQL.
• Strong communication skills and ownership to drive new features independently.
• Interest in blockchain technology.
• Good understanding of security principles (threat models, cryptographic primitives at a high level, etc.)

Our Offer

• Autonomy and ownership in a friendly and supportive work environment and the opportunity for rapid growth.
• Competitive fixed compensation (USD 100k - 140k) + equity.
• All-expense paid biannually team retreats at various destinations (Coronavirus permitting). Past retreats took place in Egypt, Serbia, Kenya, USA, South Korea, and Dubai.
• Remote, but not alone. We are a strong global collaborative environment.
• Remote working budget (Laptop, co-working space, etc)
• Personal development budget
• Gather experience and build your network in the vibrant crypto ecosystem.
• Learn about state-of-the-art protocols that lay the foundation for an open, transparent, and programmable financial system.

About us

At Pass App, we’re on a mission to ignite financial freedom and true ownership for people everywhere. Each member of our team takes ownership and contributes a unique piece to our journey into the exciting realm of web3. Together, we craft more than just meaningful products and services—we create a lasting tangible impact in the real world.

We want you to join our search for greatness at the edge of what is technologically possible. Are you tired of the ordinary? Crave a challenge that sparks passion and purpose? We’d love to have you apply!

Our Team Values

• We value iterative learning
• We value taking ownership and leading by example
• We value creating an environment where everyone can unleash their true potential

The role you’re applying for

We are cooking up several big new initiatives, one of which is Pass App, a suite of products that will completely revolutionize how people experience and engage with web3.

We’re on the lookout for a talented and motivated QA Engineer to join our dynamic team. The ideal candidate should possess extensive experience in quality assurance, specifically within the realm of native mobile applications, blockchain and decentralized applications. You will be instrumental in ensuring the reliability, security, and user-friendliness of our web3 mobile wallet. This role demands meticulous attention to detail, a thorough grasp of blockchain technology, and the ability to work effectively with our development and product teams.

Joining in the early stages, you’ll play an active role in ensuring the quality and reliability of a truly innovative product and bringing it to market. Collaboration is essential in this position, as a team we can build impactful products.

What you’ll be doing

• Design, develop, and implement test plans to ensure the reliability and performance of our web3 mobile wallet.
• Develop and maintain automated test scripts for mobile applications using React Native
• Create, manage, and optimize automated testing frameworks for seamless product updates.
• Conduct thorough testing across platforms to identify and resolve bottlenecks, errors, and vulnerabilities.
• Collaborate with developers and product teams to deliver high-quality products.
• Lead and participate in peer reviews of test plans and code to maintain QA standards.
• Implement manual and automated test frameworks.
• Conduct performance and load testing to ensure the wallet can handle high activity levels.
• Provide detailed, actionable bug reports and work with developers for clarification and timely resolution
• Evaluate the app interface and user experience for intuitiveness and ease of use.

What we’re looking for

• QA Engineer with 4+ years of professional hands-on experience
• Strong communication and collaboration skills, especially written
• Experience with agile development methodologies
• Extensive experience testing native mobile apps
• Review, optimise and maintain QA processes
• Experience creating STDs and STPs
• Proficiency in manual testing, including functional, regression, integration and UAT testing
• Basic knowledge of Blockchain and Web3 technologies
• Familiar with API testing & databases
• Familiar with project management tools like Jira

Bonus skills

• QA automation with a focus on blockchain technologies
• Proficiency in programming languages such as Python, JavaScript
• Experienced in automated testing tools (e.g Selenium, Appium)

We got you covered

Working remotely is more than just a benefit or a perk. We believe in the power of remote work to unleash creativity and passion. Join our globally remote team with 35+ different nationalities and enjoy the flexibility to work from anywhere in the universe. You should be available during European working hours.

Join our team and pursue your passions on your own terms, while we provide you with learning and development budgets, personal development plans and team retreats to fuel your web3 curiosity.

Gauntlet leads the field in quantitative research and optimization of DeFi economics. We manage market risk, optimize growth, and ensure economic safety for protocols facilitating most spot trading, borrowing, and lending activity across all of DeFi, protecting and optimizing the largest protocols and networks in the industry. As of January 2025, Gauntlet manages risk and incentives covering over $35 billion in customer TVL.

Gauntlet continually publishes cutting-edge research that informs our risk models, alerts, and analysis, and is among the most cited institution — including academic institutions — in terms of peer-reviewed papers addressing DeFi as a subject. We’re a Series B company with around 75 employees, operating remote-first with a home base in New York City.

Gauntlet’s mission is to drive adoption and understanding in the financial systems of the future. Building with decentralized systems creates novel challenges for mechanism designers, smart contract developers, and end-users of financial products, which are not seen in traditional software development and investing contexts. Gauntlet is dedicated to enhancing our industry’s understanding of this new domain and revealing how to safely navigate the true bleeding edge of 21st-century financial innovation.

We are looking for engineers for a few projects! See below:

Pivot/Courier Services

We’re developing an algorithmic trading platform to optimize strategies Gauntlet oversees on-chain to capture opportunities across DeFi. We’re looking for a product-focused systems generalist to work with users to define requirements and build the system’s required components!

Data & Models

We develop & own the services that power Gauntlet’s platform, including all our model capture, infrastructure, deployments & tools to support & scale our systems!

Responsibilities

• Design, build, and maintain robust, scalable systems for data from DeFi protocols, blockchain networks, and various other data sources
• Contribute to making our platform world-class
• Collaborate with stakeholders to understand their system requirements and provide the necessary support to help their productivity.
• Implement quality control measures to ensure system integrity and quality
• Actively participate in code and design reviews, providing constructive feedback to peers and maintaining high coding standards
• Keep up-to-date with the latest industry trends, technologies, and best practices to ensure the continuous improvement of the platform
• Contribute to the creation of technical documentation and user guides
• Troubleshoot, diagnose, and resolve software defects, ensuring optimal system performance and reliability

Qualifications

• At least 4 years of professional development experience. More is better but we’re flexible
• Experience with building backend systems.
• Experience developing production-quality software in high-performance languages. We currently use Python and Typescript but are open to exceptional language agnostic candidates.
• Experience with dynamic isolated environments and operational alerting
• Experience with distributed data processing frameworks and related technologies such as Kafka, Spark, Flink, etc.
• Ability to quickly internalize abstract concepts in new domains, coupled with strong problem-solving skills and attention to detail.
• Ability to work independently and within a team, manage multiple projects, and meet deadlines.
• Strong communication skills and the ability to work collaboratively in a distributed team environment
• Interests or passion for DeFi and the broader crypto ecosystem, with a willingness to immerse oneself in the space.

Bonus Points

• Experience working in the crypto industry is a plus but is not required.
• Background in working with complex data sets in data-rich environments
• Experience with languages and tooling related to complex streaming problems
• Familiarity with cloud solutions like Google Cloud Platform or AWS

Benefits and Perks

• Remote first - work from anywhere in the US & CAN!
• Competitive packages with the added opportunity for incentive-based compensation
• Regular in-person company retreats and cross-country “office visit” perk
• 100% paid medical, dental and vision premiums for employees
• Laptop provided
• $1,600 WFH stipend upon joining
• $100 per month reimbursement for fitness-related expenses
• Monthly reimbursement for home internet, phone, and cellular data
• Unlimited vacation policy
• 100% paid parental leave of 12 weeks
• Fertility benefits

Please note at this time our hiring is reserved for potential employees who are able to work within the contiguous United States and Canada. Should you need alternative accommodations, please note that in your application.

The national pay range for this role is $160,000 - $200,000 plus additional On Target Earnings potential by level and equity in the company. Our salary ranges are based on paying competitively for a company of our size and industry, and are one part of many compensation, benefits and other reward opportunities we provide. Individual pay rate decisions are based on a number of factors, including qualifications for the role, experience level, skill set, and balancing internal equity relative to peers at the company.

WHO WE ARE: Zinnia is the leading technology platform for accelerating life and annuities growth. With innovative enterprise solutions and data insights, Zinnia simplifies the experience of buying, selling, and administering insurance products. All of which enables more people to protect their financial futures. Our success is driven by a commitment to three core values: be bold, team up, deliver value – and that we do. Zinnia has over $180 billion in assets under administration, serves 100+ carrier clients, 2500 distributors and partners, and over 2 million policyholders.WHO YOU ARE: A Java DevOps Engineer with 5+ years of experience playing a pivotal role in delivering high-quality software solutions. As a Java DevOps Engineer, you will be responsible for automating and streamlining the software development and deployment process, ensuring efficient and reliable delivery of our products. WHAT YOU’LL DO: 

DevOps Infrastructure:

Design, build, and maintain robust and scalable DevOps infrastructure, including CI/CD pipelines, source control systems, and deployment environments. Automate infrastructure provisioning and configuration management using tools like Ansible, Terraform, or Puppet. Collaborate with development teams to ensure smooth integration of DevOps practices into their workflows.

Java Development:

Contribute to the development and maintenance of Java-based applications, following best practices and coding standards. Work closely with development teams to understand their requirements and provide technical guidance. Participate in code reviews and ensure code quality.

Maven:

Utilize Maven for build automation, dependency management, and project management. Create Maven build scripts and configurations. Manage dependencies and resolve conflicts.

Docker and Containerization:

Manage containerized environments using tools like Kubernetes or Docker Swarm. Leverage Docker to containerize applications and simplify deployment. Optimize container images for performance and security.

CI/CD Pipelines:

Design and implement efficient CI/CD pipelines using tools like Jenkins, GitLab CI/CD, or CircleCI. Automate testing, code quality checks, and deployment processes. Ensure pipeline security and compliance with best practices.

AWS Services:

Utilize AWS services effectively for infrastructure provisioning, deployment, and management. Implement cloud-native architectures and best practices. Optimize cloud resources for cost-efficiency and performance.

Log Aggregation:

Analyze logs to identify and troubleshoot issues. Implement log aggregation and analysis tools (e.g., ELK Stack, Splunk) to monitor application and infrastructure health.

WHAT YOU’LL NEED:

Bachelor’s/Master's degree in Computer Science, IT Engineering, or a related field. 8+ years of experience as a Java developer or DevOps engineer. Strong programming skills in Java and at least one scripting language (e.g., Bash, Python, Groovy). Experience with DevOps tools and practices, including CI/CD pipelines, version control systems, and infrastructure automation. In-depth knowledge of Docker and containerization technologies. Experience with container orchestration platforms like Kubernetes or Docker Swarm. Familiarity with cloud platforms (e.g., AWS, Azure, GCP) and cloud-native technologies. Good problem-solving and analytical skills. Strong communication and collaboration skills. 

Preferred Skills:

Experience with infrastructure as code (IaC) tools like Terraform or Ansible. Knowledge of monitoring and alerting tools (e.g., Prometheus, Grafana). Familiarity with configuration management tools like Ansible or Puppet.

WHAT’S IN IT FOR YOU? At Zinnia, you collaborate with smart, creative professionals who are dedicated to delivering cutting-edge technologies, deeper data insights, and enhanced services to transform how insurance is done. Visit our website at www.zinnia.com for more information. Apply by completing the online application on the careers section of our website. We are an Equal Opportunity employer committed to a diverse workforce. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability.

LI-RS1

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WHO WE ARE: Zinnia is the leading technology platform for accelerating life and annuities growth. With innovative enterprise solutions and data insights, Zinnia simplifies the experience of buying, selling, and administering insurance products. All of which enables more people to protect their financial futures. Our success is driven by a commitment to three core values: be bold, team up, deliver value – and that we do. Zinnia has over $180 billion in assets under administration, serves 100+ carrier clients, 2500 distributors and partners, and over 2 million policyholders. WHO YOU ARE: You are a skilled and experienced engineer with a strong background in both legacy and modern data technologies. You are comfortable working with established platforms like .NET, SQL Server, and Oracle, while also staying on the cutting edge with new ETL tools such as dbt, Apache Airflow, and Google BigQuery. With a deep understanding of data integration and transformation, you’re capable of balancing ongoing support for current processes with the drive to adopt and implement future-focused technology solutions. Your ability to lead projects and collaborate with cross-functional teams allows you to ensure data integrity and operational efficiency. WHAT YOU'LL DO: Support and maintain existing data processes utilizing .NET, SQL, and Oracle technologies.Lead the transition to new ETL frameworks, such as dbt, Apache Airflow, and Google BigQuery, to modernize the current process.Design, build, and optimize data workflows, ensuring seamless data integration across both legacy and new systems.Collaborate with stakeholders and cross-functional teams to understand business requirements and translate them into technical solutions.Provide technical expertise in troubleshooting and resolving complex data-related issues.Stay up-to-date with industry trends and recommend best practices for data engineering and integration.Mentor and guide junior engineers in the team, fostering a culture of innovation and continuous learning. WHAT YOU’LL NEED: • Bachelor's degree in Computer Science, Information Technology, or a related field.• 8-12 years of experience in data operations, data engineering, or a similar role, with a proven track record of leadership and project management within the data engineering domain.• Strong expertise in data integration, transformation, and scheduling processes using tools like Oracle, BigQuery, SQL Server, and Python for scripting and automation.• Proficiency in ELT/ETL processes and tools such as Informatica, DBT, Airbyte, Singer.io, Meltano, Apache Airflow or similar within the context of data engineering.• In-depth understanding of data warehousing concepts, practices, and technologies relevant to data engineering.• Knowledge of data quality and governance principles, with experience implementing best practices within the data lifecycle.• Familiarity with cloud-based environments and technologies, including data platforms and services, as they relate to data engineering.• Excellent communication, leadership, and interpersonal skills, with the ability to collaborate effectively across teams and levels of the organization.• Proven ability to adapt to changing priorities, manage multiple projects simultaneously, and drive results in a fast-paced environment within the Interface team. WHAT’S IN IT FOR YOU? At Zinnia, you collaborate with smart, creative professionals who are dedicated to delivering cutting-edge technologies, deeper data insights, and enhanced services to transform how insurance is done. Visit our website at www.zinnia.com for more information. Apply by completing the online application on the careers section of our website. We are an Equal Opportunity employer committed to a diverse workforce. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability.

LI-TN1

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🚀 Whatnot Whatnot is the largest livestream shopping platform in North America and Europe to buy, sell, and discover the things you love. We’re building the future of ecommerce, bringing together community, shopping and entertainment. We are committed to our values, and as a remote co-located team, we operate out of hubs within the US, UK, Ireland, Poland, and Germany today. We’re innovating in the fast-paced world of live auctions from fashion, beauty, electronics to collectibles like trading cards, comic books, and even live plants. Whatnot has something for everyone. And, we’re growing. Whatnot has been one of the fastest growing marketplaces and we’re hiring forward-thinking problem solvers across all functional areas. Team members in this role are required to be within commuting distance of our San Francisco, Los Angeles, Seattle, and New York hubs.  💻 Role We are looking for intellectually curious, highly motivated individuals to be foundational members in shaping the Discovery Platform. You will play a critical role in defining the technical direction and designing a world-class scalable Discovery system that is scalable enough to keep pace with our business growth to power feed, browse, search and taxonomy systems while catering to the unique challenges of operating a marketplace for live shopping!  Working in a highly cross functional role, you’ll make key decisions about how we integrate retrieval, ranking through machine learning, real-time and stream processing, content understanding, materialization into a highly personalized discovery experience that unlocks product iterations while providing strong reliability.  An ideal candidate will have experience building discovery backend and data systems at scale, with a knack for working closely with product engineers to solve immediate problems for our users while making right tradeoffs towards building a platform. We’ll often prototype new ideas quickly, and then need to build them for extreme scale while coordinating closely with other teams - the ideal person for this role is an expert at both of these approaches.  Learn more about the Discovery systems at Whatnot from our blog posts on Whatamix, LLMs for Search.  What you'll do:

Build the services and infrastructure to enable advanced recommendation systems solutions for real-time, dynamic feeds Build a scalable, stable, low latency discovery experience Partner closely across the machine learning, platform, and product engineering teams to utilize models to solve discovery problems Contribute scalable solutions across various serving stacks at the feed, search, machine learning service, and Discovery application layers. Define and advance our technical approach to scalable recommendation systems.

👋 You Curious about who thrives at Whatnot? We’ve found that low ego, a growth mindset, and leaning into action and high impact goes a long way here. As our next Software Engineer you should have 5+ years of experience, plus:

Bachelor’s degree in Computer Science, Statistics, Mathematics, Software Engineering, a related technical field, or equivalent work experience. Industry experience with a track record of applying practical methods to solve real-world problems on consumer scale data. Ability to work autonomously and lead initiatives across multiple product areas and communicate findings with leadership and product teams. You can mentor others and prioritize building inclusive, supportive teams. Experience in machine learning fields (e.g. Recommendations, Content Understanding and Search). Expert at designing and building scalable and maintainable backend systems. Firm grasp of visualization tools for monitoring and logging e.g. DataDog, Grafana Familiarity with cloud computing platforms and managed services such as AWS Sagemaker, Lambda, Kinesis, S3, EC2, EKS/ECS, Kafka, Flink/Spark, OpenSearch, ElasticSearch, Lucene, SOLR.

In addition to these role-specific qualifications, all engineering team members are expected to have:

Experience managing cloud technologies (AWS or Google Cloud) and comfort with infrastructure-as-code approaches (e.g. Terraform). Proficiency in at least one server-side programming language (preferably Python), common algorithms and data structures, and software design principles. Self-starter ethic, thriving under a high level of autonomy. Exceptional interpersonal and communication skills.

💰Compensation $215,000/year to $245,000/year + benefits + equity The salary range may be inclusive of several levels that would be applicable to the position. Final salary will be based on a number of factors including, level, relevant prior experience, skills and expertise. This range is only inclusive of base salary, not benefits (more details below) or equity. 🎁 Benefits

Flexible Time off Policy and Company-wide Holidays (including a spring and winter break) Health Insurance options including Medical, Dental, Vision Work From Home Support

Home office setup allowance Monthly allowance for cell phone and internet

Care benefits

Monthly allowance on both food and wellness Annual allowance towards Childcare Lifetime benefit for family planning, such as adoption or fertility expenses

Retirement; 401k offering for Traditional and Roth accounts in the US (employer match up to 4% of base salary) and Pension plans internationally Monthly allowance to dogfood the app Parental Leave

16 weeks of paid parental leave + one month gradual return to work *company leave allowances run concurrently with country leave requirements which take precedence.

💛 EOE Whatnot is proud to be an Equal Opportunity Employer. We value diversity, and we do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, parental status, disability status, or any other status protected by local law. We believe that our work is better and our company culture is improved when we encourage, support, and respect the different skills and experiences represented within our workforce.

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About Paxos  Today’s financial infrastructure is archaic, expensive, inefficient and risky — supporting a system that leaves out more people than it lets in. So we’re rebuilding it. We’re on a mission to open the world’s financial system to everyone by enabling the instant movement of any asset, any time, in a trustworthy way. For over a decade, we’ve built blockchain infrastructure that tokenizes, custodies, trades and settles assets for the world’s leading financial institutions, like PayPal, Venmo, Mastercard and Interactive Brokers.  About the team The Issuance Engineering team is responsible for building and maintaining the core infrastructure that powers Paxos’ issuance of tokenized assets. Our engineers are passionate about designing and implementing secure, scalable, and high-performance systems that ensure the seamless creation, management, and transfer of digital assets. We work closely with product, operations, and compliance teams to drive innovation in financial technology while maintaining the highest standards of reliability and security. About the role  As a Senior Software Engineer, Issuance at Paxos, you will play a pivotal role in designing, building, and optimizing software solutions that support the issuance of digital assets, including stablecoins and other tokenized financial instruments. You will leverage your expertise in distributed systems and modern software development practices to ensure the scalability, security, and efficiency of our platform.   What you’ll do 

Design, develop, and maintain mission-critical issuance systems that support tokenized assets across multiple blockchains. Collaborate with cross-functional teams including product, compliance, and infrastructure to define system architecture and technical requirements. Ensure the reliability, security, and scalability of our issuance services through best practices in software design, testing, and deployment. Optimize existing issuance infrastructure to enhance performance, reduce latency, and improve operational efficiency. Provide mentorship and technical guidance to junior engineers, fostering a culture of continuous learning and improvement. Stay informed about emerging trends in blockchain, distributed systems, and financial technology to drive innovation within the team. Participate in code reviews, architectural discussions, and technical decision-making processes.

About you

5+ years of software development experience, with proficiency in at least one of the following languages: Golang, Kotlin, Rust, Java, C++, Python. Strong computer science fundamentals, including data structures, algorithms, and distributed system design. Familiarity with cloud-native infrastructure and tools, such as Kubernetes, Docker, Kafka, and AWS services. Ability to write high-quality, maintainable, and well-documented code. Strong problem-solving skills and a keen ability to troubleshoot complex technical issues. Effective collaboration and communication skills, with the ability to work closely with cross-functional teams. Experience with blockchain technologies, smart contracts, or cryptographic principles is a plus. A passion for learning and applying new technologies to solve real-world problems.

Pay and benefits

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Genies is culture’s avatar technology company empowering developers and artists to create their own interoperable gamified consumer experiences. The company has raised $250 million from investors including Silver Lake, BOND, NEA, and Bob Iger. Initially, Genies were adopted by thousands of Hollywood icons including Justin Bieber and Rihanna through partnerships with Universal Music Group and Warner Music Group. Today, the company is also delivering avatars to the masses through experiences built with its Developer Kit and artist crowdsourced platform, The Workshop. These experiences all integrate together to form one avatar social network, Genies Party. Genies is looking for a Lead Backend Engineer to join our Developer Platform Team and drive the development and growth of our backend services powering the developer platform and tools, core mobile experiences, and the AI infrastructure for our products. In this role, you will collaborate closely with other leaders across engineering, product and design, to define the scope and drive the execution of the Developer Platform. The Developer Platform is at the heart of Genies’ mission to build an interoperable Avatar network, and the products we build form the foundations on which internal and external developers build their avatar-based experiences and products. Seated in either our SF Bay Area office (San Mateo) or Los Angeles based HQ, and reporting to the Director of Engineering, our ideal candidate has extensive experience with languages like Golang, Python, Java or C++. They are great leaders with the ability to influence their peers and mentor other team members. At the same time they enjoy hands-on coding, designing and working with APIs for both internal and external consumption, and thrive in solving really fun and challenging technical problems. Genies will deliver on creating an interoperable avatar network. Are you up for helping us make it happen? Join us in shaping the future of avatar technology! What You'll Be Doing:

Design and develop scalable, high-performance backend services that power both mobile and web applications, ensuring reliability and scalability. Build with creativity and innovation while having opportunities to experiment with cutting-edge technologies and solutions applied everywhere from data storage to APIs to user facing experiences and games Build and operate a high quality infrastructure and service ecosystem, ensuring high availability, security, and performance Collaborate with the broader engineering team to help plan the company's long-term technology roadmap and define the future of our systems Support efforts to advance useful LLM and ML systems for end-users while gaining new knowledge from our researchers Lead efforts to scale our infrastructure horizontally and vertically to accommodate the growing demand for our avatar experiences, ensuring robustness and reliability even under increased load Demonstrate adaptability by taking on additional responsibilities as needed, contributing to the company's success and growth

What You Should Have:

Must have completed a Bachelor's degree in Computer Science or a related field (Master's degree is a plus) 7+ years of professional experience Experience in NoSQL database design and development Experience in developing, designing and working with APIs, distributed databases and caching systems Experience with Amazon Web Services or Google Cloud Platform Proficiency in an object-oriented language such as Python, Golang, Java or C++   Robust exploratory/experimental skills Self-starter, analytical, creative, highly motivated with a visionary spirit Strong skills in terms of identifying and articulating goals and risks to management Team player with strong influencing skills

How Genies will support you Genies is a well-funded, growing start-up that cares deeply about each of our employees' growth and success. Our roles and their responsibilities are created with a breadth of scope that introduces each employee to exciting new challenges and opportunities that a growing start-up encounters. The actual base pay is dependent upon a number of factors, including: professional background, training, transferable skills, work experience, education, location, business and product needs, and market demand. The base pay range is subject to change and may be modified in the future. Full-time employees may also be eligible for equity compensation, in addition to a robust health, wellness, and benefits package.  Starting Salary Range: $200,000.00 to $250,000 USD Here's why you'll love working at Genies:

You'll work with a team that you’ll be able to learn from and grow with, including support for your own professional development You'll be at the helm of your own career, shaping it with your own innovative contributions to a nascent team and product with flexible hours and a work from home policy You'll enjoy the culture and perks of a startup, with the stability of being well funded  Comprehensive health insurance for you and your family (Anthem + Kaiser Options Available), Dental and Vision Insurance Competitive salaries and 401K program for all full time employees  Flexible paid time off, sick time, and paid company holidays, in addition to paid parental leave, bereavement leave, and jury duty leave for full-time employees Health & wellness support through programs such as monthly wellness reimbursement  Working in a brand new, bright, open-environment and fun office space - there’s even a slide!  Choice of MacBook or intel based laptop

Genies is an equal opportunity employer committed to promoting an inclusive work environment free of discrimination and harassment. We value diversity, inclusion, and aim to provide a sense of belonging for everyone.#LI-Hybrid

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What are we all about?

We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.

Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.

Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.

Today, we are a 350+ strong team working remotely across 66+ countries.

About

Starknet is the fastest-growing network in terms of new developers joining the network. Nethermind builds many developer-facing tools that need to work seamlessly in this fast-paced blockchain. This ecosystem needs contributors with a quality mindset, capable of applying their craftsmanship and systematic creativity to improve its components. Your software engineering experience and ability to rally developers around you could mean the difference between a flawless network upgrade and a community forking event. Do you have what it takes?

As a Blockchain Data Engineer, you will be responsible for extracting on-chain data from various PoS networks. You will be the reference within the company to provide reliable data necessary to perform multiple analyzes and to produce reporting and invoicing.

Responsibilities:

• Run a scalable, efficient blockchain indexed data platform
• Extract, Transform and Load data from blockchain RPCs
• Assist with data analysis queries
• Design database schema that is performant, scalable, and maintainable
• Interact with the product teams to provide data and build the applications they are requesting
• Interact with field experts and answer internal/external questions related to data extraction
• Build cloud infrastructure to support data engineering efforts.

You Have:

• Experience/strong interest in blockchain
• Proficient with Python and at least one of the following: JavaScript/TypeScript, Golang, or Rust.
• Strong understanding of distributed systems, Restful APIs and hands-on experience with JSON-RPC endpoints
• Experience with writing infrastructure as code for cloud deployments and microservices for task automation.
• Proven success in communicating with users, other technical teams, and senior management to collect requirements, and describe data modeling decisions and data engineering strategies
• Comfort with writing & optimizing SQL queries

Nice to have:

• Experience working with data-pipeline engines (Airflow, Dagster)
• Experience working with big data query engines (Apache Spark, Trino, Presto)
• Experience building reliable infrastructure on the Cloud (AWS, preferred, GCP, Azure) or willing to do so.
• Experience in fault-tolerant infrastructure & real-time system monitoring
• A genuine interest in the functioning of the networks you are working with
• General knowledge of how PoS consensus mechanisms work
• Experience with Terraform or infrastructure as a code

Perks and benefits:

• Fully remote
• Flexible working hours
• Plus equity

Keep up to date on what we are working on by following us on our social channels:

• Discord
• LinkedIn
• Twitter

What are we all about?

We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems.

Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering.

Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more.

Today, we are a 350+ strong team working remotely across 66+ countries.

*How to Know If You’re the Right Fit

If you live for deep, mind-bending problems and take pride in building both slick frontends and rock-solid backends, keep reading. We’re looking for engineers who don’t just code—they innovate. Those who own their projects from end to end and constantly push for better performance, better architectures, better everything.

Why This Role Is Exciting

• Work with A-Players: Our engineering and research teams are some of the best in the space—prepare to level up by collaborating with them daily.
• Big Impact, Big Ownership: You’ll architect, build, and deploy systems that could redefine how people experience blockchain products.
• Cutting-Edge Tech: You won’t be stuck with legacy systems—expect a steady flow of new protocols, frameworks, and (optional) AI integrations to keep things fresh.
• Collaborative Culture: We take our work seriously—but we also believe in having fun, sharing memes, and celebrating each other’s wins.

What You’ll Be Doing

1. Fullstack Wizardry

• Frontend Mastery: Craft high-performance, modern React (or similar) applications that delight users and scale smoothly.
• Backend Engineering: Design APIs (REST or GraphQL), optimize database interactions (SQL/NoSQL) and build robust cloud-native services.

2. Deep System & Algorithmic Design

• Architect for Scale: Sketch out microservices, data pipelines, and other high-availability solutions that can grow with our user base.
• Optimize & Refine: Spot performance bottlenecks and kill them before they kill us.

3. Leadership & Collaboration

• Code Reviews & Mentorship: Uphold high standards by giving and receiving thoughtful, constructive feedback.
• Cross-Functional Input: Work closely with product, design, and DevOps to ensure seamless rollouts and robust production systems.
• Innovation at the Core: Research emerging tech—especially blockchain protocols and AI—and propose how we can wield them.

4. Continuous Improvement

• Experiment & Iterate: Pilot new tools, frameworks, or processes. If it makes us better, let’s do it.
• Own It End-to-End: From the first line of code to the final deploy, you’re responsible for delivering secure, stable, and high-quality solutions.

What We’re Looking For

1. Proven Experience

• Multiple Years in professional software development. You’ve tackled complex, large-scale projects and thrived.
• Fullstack Expertise: From writing impeccable React components to designing backends in Node.js, GO, Rust or Python.

2. Technical Chops

• System Design & Architecture: You know how to build services that won’t break under pressure—microservices, caching strategies, database sharding, you name it.
• Performance Focus: Terms like “high throughput” and “low latency” aren’t just buzzwords to you; they’re part of your daily vocabulary.
• Best Practices: You never skip tests, you don’t do “quick hacks,” and you treat CI/CD pipelines like your best friend.

3. Mindset & Soft Skills

• Ownership & Drive: You see problems and can’t help but fix them.
• Team Player: You communicate clearly, listen actively, and love a good brainstorming session.
• Always Growing: You stay up-to-date with tech trends and are curious about areas like blockchain, AI or Quantum computing.

Bonus Points For

• Blockchain Know-How: Familiarity with smart contracts, DeFi protocols, or web3 libraries.
• AI Curiosity: Even if it’s just side projects or tinkering with AI agents, we love that forward-thinking spirit.
• Small Team Leadership: If you’ve led a tight-knit group of devs, share those stories!

What’s in It for You

• Serious Impact: Your code and ideas will shape next-gen decentralized solutions used by an ever-growing community.
• Learning on Steroids: Our projects span everything from cutting-edge blockchains to AI enhancements—there’s always something new to dive into.
• Flexible & Remote: We trust you to do your best work from wherever you are, on your own schedule.
• Top-Notch Compensation: We offer a competitive salary + potential for equity—because top talent deserves top rewards.

Ready to Raise the Bar?

We’re not after a flood of CVs. We want the CV—one that demonstrates a passion for solving tough problems, building epic fullstack solutions, and pushing boundaries. If you’re that person, we can’t wait to talk.

Keep up to date on what we are working on by following us on our social channels:

• Discord
• LinkedIn
• Twitter

Flipside orchestrates blockchain growth through a powerful mix of data, science and community. We drive measurable market cap growth for blockchain ecosystems, empower analysts with industry-leading data, and empower anyone to earn tokens by shaping the onchain economy.

At the heart of our approach is a proprietary wallet scoring methodology that transforms raw onchain data into actionable growth strategies. This highly quantitative framework drives meaningful ecosystem awareness, acquisition, and activation - and has catalyzed billions in value creation for Flipside partners like Solana, Avalanche, NEAR, Aptos and more.

Founded in 2017, and backed by leading investors like Republic, Galaxy, and True Ventures; Flipside is a remote-first company with a global team of nearly 100. With an energetic community of 180,000 analysts, and dozens of top-tier blockchain partners, growth knows no bounds at Flipside.

About Us

The Data Analytics Team at Flipside Crypto builds cutting-edge analytics products for the blockchain industry. We’re seeking an Analytics Engineer to help expand our analytics capabilities and serve as a bridge between our technical teams and customers.

Position Overview

This is a fully remote position open to international candidates. As an Analytics Engineer, you’ll play a crucial role in designing and implementing data solutions while serving as a subject matter expert for blockchain analytics.

Core Responsibilities

• Design and implement data models using dbt and SQL for blockchain data analysis
• Create comprehensive analytics product specifications and metric definitions
• Develop and maintain data pipelines for both on-chain and off-chain data sources
• Collaborate with Data Product team on initiatives
• Mentor team members on blockchain data analysis best practices
• Collaborate with Product and Data Science teams to define analytical requirements
• Contribute to the development of standardized blockchain data frameworks

Required Qualifications

• 3+ years of experience working with complex data sets
• Demonstrated expertise in blockchain data structures and analysis
• Advanced SQL skills, particularly with modern data warehouses (Snowflake, Athena, etc.)
• Proficiency in dbt and data modeling (star schema, dimensional modeling)
• Strong background in ETL pipeline development
• Excellent problem-solving abilities and analytical mindset

Technical Skills

• Data Warehousing: Snowflake, Athena, Hive, PostgreSQL, SQL Server
• Data Modeling: dbt, dimensional modeling, star schema
• Domain Knowledge: Blockchain protocols, smart contracts, DeFi metrics
• Programming: SQL (required), Python (bonus)

Soft Skills

• Outstanding written and verbal communication
• Self-directed project management capabilities
• Ability to thrive in ambiguous environments
• Strong collaboration and mentorship abilities
• Excellent stakeholder management

What Sets You Apart

• Experience with multiple blockchain protocols
• Contributions to blockchain analytics open-source projects
• Background in DeFi or crypto-native companies
• Experience working with real-time blockchain data

🚀 Whatnot Whatnot is the largest livestream shopping platform in North America and Europe to buy, sell, and discover the things you love. We’re building the future of ecommerce, bringing together community, shopping and entertainment. We are committed to our values, and as a remote co-located team, we operate out of hubs within the US, UK, Ireland, Poland, and Germany today. We’re innovating in the fast-paced world of live auctions from fashion, beauty, electronics to collectibles like trading cards, comic books, and even live plants. Whatnot has something for everyone. And, we’re growing. Whatnot has been one of the fastest growing marketplaces and we’re hiring forward-thinking problem solvers across all functional areas. 💻 Role The Data team at Whatnot creates services that improve our core product experience and unlock business value. As an engineer, you will play a critical role in defining the technical direction and leading the development of the retrieval platform to power next-gen systems at Whatnot. You will be responsible for driving innovation, ensuring the scalability and performance of our systems, and working with a team of engineers to deliver high-quality solutions. Working in a highly cross-functional role, you’ll also make key decisions about how we integrate data systems at Whatnot – and then make it happen. You’ll be positioned to align efforts to optimize other aspects of our company’s architecture, such as machine learning, real-time analytics, stream processing, and content understanding to name a few. Team members in this role are required to be within commuting distance of our Los Angeles, San Francisco, Seattle, or New York hubs.  👋 You Curious about who thrives at Whatnot? We’ve found that low ego, a growth mindset, and bias into action goes a long way here. As our next member of the team, you should have 3+ years of experience, plus some or all of the following:

Ability to write well-tested, API-driven applications and services that run at scale in production. Track record of building scalable and performant distributed systems Expertise in managing cloud data stores (Snowflake, BigQuery, Redshift, etc.) for processing and serving data products Expertise in streaming data systems such as Kafka, Flink, or Pulsar, and the ability to design and manage real-time processing pipelines at scale. Strong experience supporting operational systems to ensure uptime, reliability, and maintainability, including monitoring, alerting, and incident management.

In addition to these role-specific qualifications, all engineering team members are expected to have:

Experience managing cloud technologies (AWS or Google Cloud) and comfort with infrastructure-as-code approaches (e.g. Terraform). Proficiency in at least one server-side programming language (preferably Python), common algorithms and data structures, and software design principles. Self-starter ethic, thriving under a high level of autonomy. Exceptional interpersonal and communication skills.

💰Compensation $158,000/year to $245,000/year + benefits + equity The salary range may be inclusive of several levels that would be applicable to the position. Final salary will be based on a number of factors including, level, relevant prior experience, skills and expertise. This range is only inclusive of base salary, not benefits (more details below) or equity. 🎁 Benefits

Flexible Time off Policy and Company-wide Holidays (including a spring and winter break) Health Insurance options including Medical, Dental, Vision Work From Home Support

Home office setup allowance Monthly allowance for cell phone and internet

Care benefits

Monthly allowance on both food and wellness Annual allowance towards Childcare Lifetime benefit for family planning, such as adoption or fertility expenses

Retirement; 401k offering for Traditional and Roth accounts in the US (employer match up to 4% of base salary) and Pension plans internationally Monthly allowance to dogfood the app Parental Leave

16 weeks of paid parental leave + one month gradual return to work *company leave allowances run concurrently with country leave requirements which take precedence.

💛 EOE Whatnot is proud to be an Equal Opportunity Employer. We value diversity, and we do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, parental status, disability status, or any other status protected by local law. We believe that our work is better and our company culture is improved when we encourage, support, and respect the different skills and experiences represented within our workforce.

Apply Now:

🚀 Whatnot Whatnot is the largest livestream shopping platform in North America and Europe to buy, sell, and discover the things you love. We’re building the future of ecommerce, bringing together community, shopping and entertainment. We are committed to our values, and as a remote co-located team, we operate out of hubs within the US, UK, Ireland, Poland, and Germany today. We’re innovating in the fast-paced world of live auctions from fashion, beauty, electronics to collectibles like trading cards, comic books, and even live plants. Whatnot has something for everyone. And, we’re growing. Whatnot has been one of the fastest growing marketplaces and we’re hiring forward-thinking problem solvers across all functional areas. 📈 Opportunity Size The ecommerce experience has been static for 20+ years and is perhaps the largest opportunity in the startup space today. Livestream shopping is a $170B GMV market in China and has grown 100% YoY. Retail is a $5T market opportunity! 💻 Role

The Seller Growth Engineering team is responsible for growing sellers on Whatnot — enabling them to turn their hobbies into businesses. As a senior software engineer on the Seller Growth team, you’ll focus on defining different seller cuts and measuring the seller lifecycle, making sellers successful throughout their lifecycle, seller onboarding, seller marketing and growth capabilities and tooling, and resurrecting churned sellers.

👋 About You Curious about who thrives at Whatnot? We’ve found that low ego, a growth mindset, and leaning into action and high impact goes a long way here, but here are a few criteria we're looking for in this role: As our next Senior Software Engineer you should have 5+ years of full-time, generalist software engineering experience in high growth startups, plus:

Bachelor’s Degree in Computer Science or related field or equivalent work experience Experience building scalable systems (we primarily use Python, Elixir, JavaScript). Ability to work across the stack (backend and frontend). Excellent product instincts. You first think about users rather than the best technical solution. Proven track record of delivering features. You are known for shipping products and features lightning-fast. Ability to take ownership of an ambiguous area and define and then drive impact Ability to flexibly work across multiple workstreams, thriving in a fast-paced environment Knowledge of Data and Growth Systems like Notifications Scalability and Data pipeline experience with SQL, dbt, etc.

💰Compensation For Full-Time (Salary) US-based applicants: $185,000 - $225,000/year + benefits + equity The salary range may be inclusive of several levels that would be applicable to the position. Final salary will be based on a number of factors including, level, relevant prior experience, skills and expertise. This range is only inclusive of base salary, not benefits (more details below) or equity. 🎁 Benefits

Competitive base salary and stock options benchmarked to 90th percentile Unlimited Vacation Policy and No Meeting Holidays Amazing Health Insurance options including a no premium plan, Dental and Vision Plans with less $1 monthly employee contribution and no cost Life Insurance 13 Week Parental Leave $200 to spend within Whatnot App $3500 expense to buy your computer and at home work station $100 weekly expense for Lunch $75 monthly expense for Internet $75 monthly expense for Cell Phone plan

💛  EOE Whatnot is proud to be an Equal Opportunity Employer. We value diversity, and we do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, parental status, disability status, or any other status protected by local law. We believe that our work is better and our company culture is improved when we encourage, support, and respect the different skills and experiences represented within our workforce.

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About Vac

Vac builds public good protocols for the decentralized web. We do applied research based on which we build protocols, libraries and publications.

The role

We are seeking an experienced Distributed Systems Evaluation Engineer to join the Vac DST team. This role focuses on rigorously assessing the performance and reliability of IFT projects at scale. You’ll be responsible for designing and executing comprehensive evaluation strategies, leveraging both large-scale lab deployments and protocol behavior modeling scripts. Your expertise will be crucial in analyzing these complex distributed systems, automating intricate test scenarios, and providing in-depth insights into system behaviors.

Working closely with cross-functional teams, you’ll troubleshoot complex issues and translate technical data into actionable recommendations. Proficiency in containerization, cloud technologies, and distributed systems principles is essential.

This position offers the opportunity to make a significant impact on the robustness and scalability of IFT projects, contributing to the development of next-generation decentralized technologies.

Key responsibilities

• Design, implement, and maintain sophisticated tools for analyzing distributed systems at scale, ensuring robust and efficient testing processes.
• Orchestrate and automate large-scale deployments to rigorously validate the functionality, performance, and scalability of complex distributed systems.
• Identify, document, reproduce, and troubleshoot intricate issues in distributed environments, collaborating closely with IFT project teams to resolve challenges.
• Develop a comprehensive understanding of IFT project protocols and components to provide insightful analyses that drive improvements and inform decision-making.
• Conduct and interpret statistical analyses of system outputs, translating complex data into actionable insights for stakeholders.
• Create and maintain scripts that model protocol behavior, utilizing these models to validate and sanity-check large-scale deployment runs.
• Work with Docker, Kubernetes, and POSIX-like systems

You ideally will have

• Solid experience with scripting languages like Python.
• Experience with statistical analysis tools, like pandas, seaborn.
• Experience with systems programming languages like Nim, Go, Rust.
• Understanding of network behaviors (libp2p, gossipsub, p2p networks).
• Working knowledge of Docker, Kubernetes, and POSIX-like systems.
• Excellent written and conversational communication skills.
• Alignment with our core values and principles.

Bonus points

• Experience with off-the-shelf networking stacks such as libp2p.
• Experience in blockchain technology.
• Experience working for an open-source organization.

Hiring process

• Interview with our POps team
• Interview with team member from the Vac DST team
• Take home assignment & interview with team member from the Vac DST team
• Interview with Vac team lead

SORAMITSU is the developer of and major contributor to the open-source blockchain platform Hyperledger Iroha, which is tailored for enterprise and public-sector use. Hyperledger Iroha, a project of Hyperledger Foundation, part of the Linux Foundation, has a permissions system that is scalable and performant.

Utilizing blockchain, SORAMITSU has developed a digital currency for the National Bank of Cambodia, a CBDC Proof-of-Concept with the Bank of the Lao PDR, a closed-loop payment system for the University of Aizu in Japan, an identity verification system prototype for Bank Central Asia in Indonesia, we were finalists in the Monetary Authority of Singapore CBDC Challenge, and are currently participating in Asia-Pacific's first proof-of-concept test of a cross-border, multi-currency security settlement system using distributed ledger technology with the Asian Development Bank. We have also conducted proof-of-concept tests for several major Japanese enterprises, and are active contributors to open source projects, such as Klaytn, South Korea's leading Layer-1 blockchain, KAGOME, the C++ Polkadot Host implementation, the SORA crypto-economic system, the Polkaswap DEX, and the DeFi wallet, Fearless Wallet

Based on these experiences, SORAMITSU aims to deploy cutting-edge technology on a global level in order to expedite financial inclusion and health, mitigate economic inefficiencies, and contribute to the fulfilment of the Sustainable Development Goals.

You can find out more by visiting our homepage at soramitsu.co.jp or check out our Twitter profile.

We are seeking a highly skilled blockchain developer with deep expertise in blockchain technologies and smart contract development, focusing on Solidity, Ethereum, and various Layer 1 and Layer 2 protocols. This role will involve designing, implementing, and optimizing secure and scalable blockchain solutions.

You will be responsible for:

• Develop, deploy, and maintain secure, efficient, and scalable smart contracts on Ethereum and other blockchain networks.
• Architect decentralized systems and define smart contract standards for new projects and features.
• Lead code reviews and provide mentorship to junior and mid-level developers.Optimize smart contract code for gas efficiency, performance, and security.
• Collaborate with cross-functional teams including frontend developers, product managers, and security experts.Identify and mitigate security risks within smart contracts.
• Stay up-to-date with the latest trends, tools, and best practices in Solidity and blockchain development.
• Perform rigorous testing and auditing of contracts, and ensure all code is secure and bug-free.

Requirements:

• 3+ years working specifically with Solidity and Ethereum-based development.
• Deep understanding of Ethereum's architecture, smart contracts, and related technologies.
• Proficient in Solidity, Web3.js, and Ethers.js.Experience with deploying and interacting with smart contracts on Ethereum, Binance Smart Chain, or other EVM-compatible blockchains.
• Familiarity with common design patterns (e.g., ERC-20, ERC-721, ERC-1155) and decentralized protocols.Expertise in smart contract security practices, including common vulnerabilities (e.g., reentrancy, overflow/underflow, front-running).
• Knowledge of decentralized finance (DeFi) protocols and their smart contract ecosystems.
• Experience with testing frameworks (e.g., Truffle, Hardhat, Foundry).
• Experience with CI/CD pipelines and blockchain-specific deployment strategies.
• Ability to communicate complex technical concepts effectively to both technical and non-technical stakeholders.
• Strong problem-solving, debugging, and optimization skills.
  Preferred:
• Experience in developing for Layer 2 networks or alternative blockchain protocols (e.g., Optimism, Arbitrum, Polygon).
• Familiarity with cross-chain technologies and bridging protocols.
• Experience with smart contract auditing tools like Slither, MythX, and others
• Experience with Polkadot ecosystem (Rust, Substrate)

General Skills:

• Programming Languages: Solidity, JavaScript, Python, with knowledge of Rust considered a plus.
• Blockchain Platforms: Ethereum, Binance Smart Chain, Polygon, Arbitrum, Optimism, etc.
• Frameworks & Libraries: Truffle, Hardhat, Foundry, Web3.js, Ethers.js.
• Security Best Practices: Smart contract auditing, vulnerability mitigation, best practices for gas optimization.
• Collaboration Tools: Git, GitHub/GitLab, JIRA, Slack, etc.
• Soft Skills: Strong communication in English, problem-solving, and analytical thinking.

Additional Requirements:

• Please include a link to your GitHub profile showcasing examples of your code or repositories where you’ve contributed.

What we offer:

• A relaxed remote-first (work from anywhere) work environment with flexible working hours
• A permanent, full-time role with a rapidly growing international team of professionals
• An educational budget to support your continued growth and development
• Opportunities to attend global meetups and conferences for learning and/or speaking engagements
• An opportunity to be a part of an award-winning team designing a better world through decentralized technologies

This is a remote position. Our distributed team is mostly spread across Europe and Asia. Team meetings are held generally during European working hours, and it is expected that you would adapt if necessary and be available accordingly.

If you have the required qualifications and are passionate about the Web3 industry, we encourage you to apply for this exciting opportunity.

SORAMITSU values diversity and is committed to providing equal opportunities for all applicants and employees. Our employment decisions, such as hiring, promotion, discipline, and termination, are based solely on an individual's qualifications, performance, and business needs. We do not discriminate against anyone on the basis of their race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, veteran status, or any other protected status under federal, state, or local law.

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WHO WE ARE: Zinnia is the leading technology platform for accelerating life and annuities growth. With innovative enterprise solutions and data insights, Zinnia simplifies the experience of buying, selling, and administering insurance products. All of which enables more people to protect their financial futures. Our success is driven by a commitment to three core values: be bold, team up, deliver value – and that we do. Zinnia has over $180 billion in assets under administration, serves 100+ carrier clients, 2500 distributors and partners, and over 2 million policyholders. WHO YOU ARE: Software Engineers play a key role in providing design, development/configuration, unit testing, and ongoing maintenance of Zinnia software platforms. WHAT YOU’LL DO: • Work as part of a Platform Support team in doing investigations Level 3 Support Zinnia Business and Client Operation Teams• This position will work the 5:00 PM to 2:00AM shift to provide support during CST hours.• Create well-designed, customized, testable, and efficient code for ZINNIA platforms.• Collaborate with our global teams, internal stakeholders, and customers.• Ability to work in a fast-paced environment, recognize and react to changing business needs and effectively prioritize tasks• Must be self-motivated and able to work both independently and in conjunction with team members and business units. Enthusiasm and flexibility to work on a variety of projects WHAT YOU’LL NEED:• Should have 5-7 years IT experience with not less than 4 years of strong expertise in Microsoft .NET technologies with end-to-end project life cycle experience using Agile / Kanban methodologies.• Proficient in SQL Server knowledge in designing and developing SQL queries. Mongo DB, NService Bus• Proficient in .Net framework• Expert in building Restful API• Must have experience in designing and developing products using various technologies – C#, React JS, Angular, and Java script• Should have good demonstrable experience in systems architecture and N-tier application development using Microsoft technical stack SQL server, TFS, Azure DevOps.• Knowledge of AWS Lamda functions, Containers/Micro Service architecture, Docker, Python and Java• AWS Practioner Certified preferred WHAT’S IN IT FOR YOU? We’re looking for the best and brightest innovators in the industry to join our team. At Zinnia, you collaborate with smart, creative professionals who are dedicated to delivering cutting-edge technologies, deeper data insights, and enhanced services to transform how insurance is done. Visit our website at www.zinnia.com for more information. Apply by completing the online application on the careers section of our website. We are an Equal Opportunity employer committed to a diverse workforce. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability.

LI-TN1

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Interested in working on cutting-edge blockchain technology and creating equitable access to the global financial system? Since 2014, the mission-driven team at the Stellar Development Foundation (SDF) has helped fuel the tremendous growth of the Stellar blockchain network, an open-source platform that operates at high-scale today. Developers and companies around the world build on it, and the SDF team is expanding to support the rapidly growing and changing Stellar ecosystem. As part of the Platform team, you will work on mission-critical infrastructure for the Stellar network. Our team builds open-source libraries, services, and APIs that are the primary way developers interact with the Stellar blockchain. From individual developers to large, established institutions, our tools power a huge portion of ecosystem projects and play a pivotal role in the success of the network. Your work will have a broad and meaningful impact: improving the developer experience, implementing critical performance optimizations to support scaling, and designing new architectures to tackle future challenges as the network evolves. In this role, you will:

Work on cutting-edge technology at the intersection of blockchain and finance. Drive all aspects of the development process for platform projects, from vision to implementation. Design new platform functionality and developer-facing APIs that enhance the ecosystem. Build and maintain scalable web services that align with the foundation’s mission. Identify developer needs and create protocols and services to improve developer velocity across the ecosystem. Engage with the open-source community on diverse projects, frameworks, and ideas. Collaborate on code reviews, design discussions, and best practices for engineering at SDF. Investigate and resolve performance bottlenecks to ensure our API services scale effectively. Author detailed technical specifications (RFCs) to contribute to our robust design process.

You have:

4+ years of experience developing software as part of a collaborative team. Strong computer science fundamentals, including data structures, algorithms, distributed systems, and information retrieval. Proficiency in writing server applications in languages such as Go, Python, Rust, C#, Java, or C++, and a willingness to work across languages when needed. Experience supporting production web services at scale. Excellent communication skills, with the ability to advocate for and lead technical discussions, especially during design and code reviews. A solid grasp of software design patterns and the ability to build reusable, extensible, and modular components. Familiarity with existing frameworks and open-source tools, coupled with a willingness to develop new ones when gaps arise. A passion for performance optimization, debugging, and benchmarking. Excitement about joining a team where autonomy is encouraged. An open, empathetic mindset and a commitment to fostering collaboration and putting the best ideas forward.

Bonus points:

You have experience with blockchain technologies or cryptocurrencies. You have experience contributing to open-source projects. You have worked on a team or project where developers have been your primary customers. You have experience working on financial or payment products.

We offer competitive pay with a base salary range for this position of $180,000 - $210,000 depending on job-related knowledge, skills, experience, and location. In addition, we offer lumen-denominated grants along with the following perks and benefits: USA Benefits/Perks:

Competitive health, dental & vision coverage with most plans covered at 100% for the employee + any dependents Flexible time off + 15 company holidays including a company-wide holiday break Up to 12 weeks of paid parental leave for both non-birthing and birthing parents, as well as up to 14 weeks of paid pregnancy leave for birthing parents Gym reimbursement ($80 per month) Life & ADD (up to $50K) Short & Long term disability 401K with 4% match Health & Dependent Care FSA Accounts Commuter benefits with $250/month employer contribution Health Savings Account (HSA) with monthly employer contribution Family building benefits through Kindbody Wellbeing benefits (One Medical, Rightway, Headspace) L&D budget of $1,500/year Daily lunch and snacks in office Company retreats

About Stellar   Stellar is more than a blockchain. Powered by a decentralized, fast, scalable, and uniquely sustainable network made for financial products and services and a thriving and passionate ecosystem that includes a non-profit organization driven by a mission, Stellar is paving the path to unlock the world’s economic potential through blockchain technology. Built with speed and low costs in mind, the Stellar network provides builders and financial institutions worldwide a platform to issue assets, and to send and convert currencies in real time creating real world utility. Founded in 2014, the Stellar Development Foundation (SDF) supports the continued development and growth of the Stellar network and also serves the ecosystem of NGOs, corporations, universities, small businesses, governments, and solo entrepreneurs building on the Stellar network through tooling, funding and strategic collaborations. Together, Stellar is where blockchain meets the real world.   About the Stellar Development Foundation   The Stellar Development Foundation (SDF) is a non-profit organization focused on working with and supporting changemakers to create equitable access to the global financial system through blockchain technology. SDF provides grants, investments, funding, and other awards to builders and organizations. SDF also develops resources and tooling on the Stellar network to help unlock real world utility. As a nonprofit foundation, SDF puts the health of the Stellar network and the Stellar ecosystem and its mission above all else.   We look forward to hearing from you!   Privacy Policy   By submitting your application, you are agreeing to our use and processing of your data in accordance with our Privacy Policy.   SDF is committed to diversity in its workforce and is proud to be an equal opportunity employer. SDF does not make hiring or employment decisions on the basis of race, color, religion, creed, gender, national origin, age, disability, veteran status, marital status, pregnancy, sex, gender expression or identity, sexual orientation, citizenship, or any other basis protected by applicable local, state or federal law.

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Job Title: Quantitative Developer   Location: London Type: Full-time Level: Mid Level Reports to: Chief Quant/ Risk Officer  Elwood Technologies is a FCA regulated firm that provides end-to-end institutional-grade digital asset Execution, Liquidity Access and Portfolio Monitoring & Risk Management Software. Built with institutions for institutions, Elwood’s EMS offers best available price execution, smart order routing and algorithmic tooling alongside a traditional finance grade Portfolio Management System.  Built by industry experts with decades of combined experience in investment management and digital technology, we are now looking for a Senior Engineer to work on our EMS platform within the Engineering Team . Job Description We’re currently looking for a Quantitative Developer to join our Quant team based in the UK. We have a mix of Quant Developers and Software Engineers bringing finance knowledge and enterprise scale software development respectively – occasionally both! The stack is comprised of C# .NET 5+ services which call into a proprietary C++ quant library and present results via a React frontend. Hosted on Linux in AWS with large calculations distributed over many instances, messaging via Redis. As part of the role, you will form an integral part of the team responsible for pricing and risk analytics available on our platform. You will contribute to the continued development of our models, whilst also working closely with the Product Team to implement new features, and provide desk support to our clients.  Key Responsibilities

Develop and enhance our in-house pricing and risk models, which are implemented in our digital Quant analytics library, written in C++. Build new services to meet critical product and business needs using C++ and Python. Build features that help customers collaborate on asset management. The functionality of the library is exposed to clients through a web based cross-asset Portfolio Management System providing clients with real time pricing, scenario, risk and P&L on their portfolios as well as the ability to structure and overlay new positions. Work with engineers, designers, product managers, and senior leadership to turn our roadmap and technical vision into a tangible product with timely deliveries. Monitor and support all Quant production system components (analytics, market data). Estimation, design, development and unit testing of features, with robust coding standards.

Qualifications / Knowledge

5+ years’ of experience developing applications in C# with good knowledge of coding fundamentals  Financial Services experience is essential (Buy or Sell-Side) Knowledge of the standard pricing models e.g. Black Scholes, sensitivities, with a strong understanding of derivatives of at least one asset class Experience working with interest rate curves, vol surfaces and other market data Experience implementing trading/risks applications in C# . Experience implementing C++ pricing libraries Strong knowledge of data structures, algorithms, and designing for performance. Great communication skills and the ability to work as part of a team – bouncing ideas off colleagues, building consensus around a design etc. - Ability to explain complicated concepts with ease Master's degree or PhD in mathematics or any other relevant numerical field.

What we offer: 💵  Competitive salary and compensation packages 🍎 Fully paid medical and discounted dental schemes for employees and their family ✈️ Generous time off + bank holidays 🍼 Enhanced parental leave for all employees who have been with the company for one (1) year 🍔 Fully stocked kitchen and access to Ubereats 💪 Discounted gym scheme with Fitness First 🐕‍ Employee Assistance Programme 📚 Paid study leave and personal leave Why Elwood?  

Join one of the fastest growing FinTech companies and help shape the future of finance A startup with deep financial backing and a strong market presence Our platform is enabling institutional access to the most exciting growth opportunity in Finance Work with a modern technology stack and help solve high impact problems Strong client focused team with a diverse background   We’re a Global company and have modern, centrally based offices in London, New York, Singapore & Jersry

Equal Opportunities As an equal opportunity employer, you can read more about our policy here: https://elwood.io/diversity/

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