Our mission is to bring web3 to a billion people, by providing builders with the tools they need to build exceptional onchain products. Alchemy is the only complete developer platform that offers the powerful APIs, SDKs, and tools necessary to build and scale onchain apps and rollups. Our infrastructure powers 70% of the top web3 teams, 90%+ of web2 companies building in web3 and 100+ million end users. Our customers include top web3 brands like Polymarket, OpenSea, Circle, WorldCoin, as well as major global brands like Shopify and Adobe. The Alchemy team draws from decades of deep expertise in massively scalable infrastructure, AI, and blockchain from leadership roles at leading companies and universities like Google, Microsoft, Facebook, Stanford, and MIT. We're backed by the world's leading VCs and institutions, including: Lightspeed, Silver Lake, a16z, Coatue, Pantera, Addition, Stanford University, Coinbase, and Charles Schwab, among others. The Role At Alchemy, delivering an exceptional developer experience is the cornerstone of our platform. As a Principal Frontend Engineer, you'll be instrumental in ensuring iterable, seamless, intuitive, and consistent user interfaces across all products and UI surface areas. You'll work on one of the most sophisticated frontend systems in the blockchain ecosystem, architecting new solutions and enhancing existing ones to support millions of developers and end users globally. Often our products pass UIs through to end users, where these requirements extend, to c What You'll Do:

Define the vision for the frontend platform infrastructure that powers our developer platform, UI components, and APIs, and guide the team in executing against that vision Design, build, and maintain scalable, performant, and reliable frontend infrastructure, component libraries, and client-side services Lead system design discussions, stand-up meetings, and code reviews focused on frontend architecture and performance Develop and enforce best practices for frontend infrastructure, emphasizing high performance, accessibility, and iteration speed Collaborate with backend engineers, technical leaders, product managers, and designers to deliver cohesive, end-to-end solutions Optimize frontend build pipelines, rendering performance, and client-side resource management for global scale Drive adoption of modern frontend tooling, frameworks, and practices to enhance developer experience and user satisfaction

What We're Looking For:

10+ years of relevant industry experience in frontend or full-stack development BS/BA degree in Computer Science or equivalent Experience designing, building, scaling, and maintaining core frontend software components (experience with developer platforms or component libraries a plus) Ability to solve complex design, performance, accessibility, or scalability challenges in high-throughput, low-latency frontend systems in production Proficiency in React (and preferable proficiency in cross-platform client development) Proficiency in building scalable frontend infrastructure, including module federation, micro-frontends, or design systems Experience with frontend build tools and ecosystems (e.g., Webpack, Vite, Esbuild, or Turbopack) Expertise in optimizing web performance (e.g., Core Web Vitals, lazy loading, code splitting) and cross-browser compatibility Experience in Cloud Native environments, particularly in AWS, for deploying and managing frontend assets Self-starter attitude with the ability to execute new ideas autonomously Know how to find the right balance between perfection and shipping quickly Curiosity on the leading edge - plays with crypto, the latest in AI, and pushes to unpack black boxes

More on The Role Alchemy is committed to offering competitive compensation, including base salary as well as equity. Additionally, Alchemy offers comprehensive medical, dental, and vision coverage, as well as other benefits such as 401k and unlimited flexible time off. The base salary range for this position is estimated to be between $135,000 - $300,000 annually. Please note this range reflects base salary only, and does not include bonus, equity, or benefits. Your salary will be determined by various factors, including relevant experience, skill set, qualifications, and other business needs.

Apply Now:

Apply Now:

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 75 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 Data Engineer, you will be responsible for the design, implementation, and maintenance of data pipelines that power user-facing products as well as internal tools. You will integrate with internal blockchain RPC nodes and third-party APIs to fetch stake and rewards data for multiple blockchains, and store and process this data to power internal reports and dashboards, as well as external customer reporting. You will play a critical role in enabling data-driven decision-making.

Our current data pipelines are implemented in Python, and run on a mix of Apache Airflow and Kubernetes, storing data in Postgres and Google Cloud Storage. We use various dashboarding and analysis tools, including Streamlit.

Responsibilities

• Implement data pipelines that ingest rewards, pricing and commercial contract data. Ensure data quality via automated sanity checks.
• Maintain automated workflows that make assets-under-management numbers and APY data available to our website and third parties.
• Develop and maintain internal dashboards for the presentation and analysis of company revenue data, assets under management, and a detailed breakdown of these numbers.
• Work with cutting-edge blockchain technology, so all of the above data is available at the moment when a new blockchain network launches.
• Collaborate with our Networks, Engineering, Finance, and Customer Success teams to understand data needs and deliver on business requirements.

Job requirements

What we are looking for:

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field
• Prior experience with Python and REST APIs
• Experience with SQL, preferably PostgreSQL
• Strong communication skills to collaborate effectively with both technical and non-technical stakeholders
• Familiarity with dashboarding tools such as Streamlit, Metabase, or Observable, and pipeline orchestrators such as Apache Airflow or Dagster
• Affinity or interest in blockchains and proof of stake. Prior experience is not a requirement, but definitely an advantage.
• 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 (65k–110k USD commensurate with experience) + equity.
• Part-time optional, 80% – 100%.
• All-expense paid biannual team retreats at various destinations. Past retreats took place in Egypt, Serbia, Kenya, USA, South Korea, Dubai, Thailand, Spain, and Japan.
• 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.

🚀 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 We are looking for intellectually curious, entrepreneurial individuals to become foundational members of our fraud engineering team. Bringing an intuitive understanding of abuse vectors, rigorous thinking about business tradeoffs, & the ability to engineer consumer-scale software, you will design, develop, and deploy scalable fraud detection and prevention systems across a wide variety of product surfaces.  What you'll do:

Design new production algorithms and systems to prevent systemic threats and better protect buyers, sellers, and Whatnot. Proactively monitor the potential negative impacts of these systems on good users and ensure that the benefits of these systems continue to outweigh the costs. Build event-driven architectures that allow us to react to high-risk user behavior in near real time. Contribute across the entire software development process: ideation, opportunity sizing, prototyping, load testing, deployment, and alerting. Drive initiatives across multiple product surfaces and communicate findings with leadership and product teams using dashboards, notebooks, and/or documents where appropriate.

👋 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, Fraud you should have 4+ years of total software engineering experience, plus:

Bachelor’s degree in Computer Science, Statistics, Applied Mathematics, Economics, a related technical field, or equivalent work experience. 2+ years of software engineering experience building for consumer-scale loads. 1+ years of experience writing production code in Python. 1+ years of experience developing fraud detection & prevention systems preferred. Business intuition & a data-driven mindset that enables you to think critically about the growth headwinds fraud prevention systems can create. Explicit data science or machine-learning experience is a huge plus. Obsession with impact. You are focused on driving value for users & have a track record of deploying simple solutions wherever feasible. You move as fast as possible without sacrificing quality. Relentnessness & entrepreneurship. You prioritize your work ruthlessly & run through walls to get things done. Your curiosity drives you to dig into user problems & craft suggestions on how we can address them. Ability to work autonomously and lead initiatives across multiple product areas and communicate findings with leadership and product teams. Comfortability with data warehouses and transformation tools such as Snowflake, dbt, Dagster. Professionalism around collaborating in a remote working environment and well tested reproducible work. Above average documentation and communication skills.

💰Compensation For US-based applicants: $180,000 - $245,000/year + benefits + stock options 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 in the form of stock options. 🎁  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:

DFINITY is seeking a Senior Frontend Software Engineer to join the team building Caffeine, an innovative AI-driven no-code platform. Caffeine will empower everyday users to design, develop, and deploy software applications on the Internet Computer (IC), a revolutionary decentralized and serverless alternative to traditional cloud compute platforms. Are you new to decentralization or not an expert in blockchain or cryptography? That’s okay! We have some of the world’s foremost experts and they’re excited to share their knowledge. You bring your awesome skills and help us create something amazing. * Please note that this role requires in-office work from our amazing office in San Francisco 3 days per week. What you’ll work on: You’ll own the complete software development lifecycle for key products, including:

Caffeine: A user-friendly tool empowering both technical and non-technical users to create and deploy SaaS applications using natural language prompts ICP Ninja: A web-based IDE designed for new ICP developers, simplifying and accelerating software development and deployment on the Internet Computer

You’ll primarily work in TypeScript, Node.js, React and other modern frontend technologies. Responsibilities:

Design and develop sophisticated and user-friendly interfaces for enhanced developer and user experiences Take end-to-end ownership of features, from initial concept to final deployment, working closely with designers Play a key role in shaping UI architecture and maintaining shared component libraries Work with backend developers to create well-integrated APIs and system functionalities At times, contribute to backend development (in Rust) to ensure comprehensive product delivery

You May Be a Great Fit If You:

Possess a strong foundation in computer science (degree or equivalent) Have significant experience leading frontend or full-stack engineering initiatives Have a proven track record of shipping web applications for both B2B and B2C audiences Have strong proficiency in modern frontend development using JavaScript/TypeScript and frameworks such as React Are proactive and willing to contribute to backend development as necessary. Prioritize user experience and the creation of maintainable code Can effectively collaborate within a diverse, multi-time zone team environment. Exhibit excellent interpersonal and communication abilities Are excited by the potential of democratizing software engineering and building a more resilient internet

Bonus Points:

Experience working with the Internet Computer or other blockchains   Contributions to open-source projects Experience building products around large language models (LLMs) 

More information about what you'll be working on:

Internet Computer Read about Caffeine in the ICP 2025 Roadmap and watch Where AI Builds to learn more about what this team is working on.  Try icp.ninja to see how the Internet Computer makes developing and deploying applications a streamlined process.

Base Salary Range:  $175,000 - $235,000/yr This position can be considered across multiple levels. Total compensation at DFINITY consists of base salary + generous bonus and is determined based on multiple factors including job leveling, areas of expertise, educational background, geographic location and overall experience.   In addition to the cash components of our offers, we have generous benefits including top tier medical, dental, and vision insurance; disability insurance; life insurance; 401(k); flexible PTO policy in addition to paid holidays.About DFINITY and the Internet Computer:

DFINITY is a leading contributor to the Internet Computer Protocol (ICP), with a mission to bring the world's compute onto the secure ICP network. Built on its unique third-generation blockchain technology, ICP enables the development and operation of a new generation of unstoppable, tamper-proof, fully decentralized web applications. Its powerful technology can run entire AI models within smart contracts, representing a major advancement for secure AI. Through seamless integration with Bitcoin, Ethereum, and other networks, ICP facilitates multi-chain operations for digital assets and web3. Join our team of over 250 talented individuals, including world-renowned cryptographers, distributed systems engineers, programming language experts, and industry leaders, who are shaping the future of the internet and web3.

DFINITY was founded in 2016 by entrepreneur and crypto theoretician, Dominic Williams.All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

Apply Now:

DFINITY is seeking a Senior Backend Software Engineer to join the team building Caffeine, an innovative AI-driven no-code platform. Caffeine will empower everyday users to design, develop, and deploy software applications on the Internet Computer (IC), a revolutionary decentralized and serverless alternative to traditional cloud compute platforms. Are you new to decentralization or not an expert in blockchain or cryptography? That’s okay! We have some of the world’s foremost experts and they’re excited to share their knowledge. You bring your awesome skills and help us create something amazing.* Please note that this role requires in-office work from our amazing office in San Francisco 3 days per week. What you’ll work on: You’ll own the complete software development lifecycle for key products, including:

Caffeine: A user-friendly tool empowering both technical and non-technical users to create and deploy SaaS applications using natural language prompts ICP Ninja: A web-based IDE designed for new ICP developers, simplifying and accelerating software development and deployment on the Internet Computer CaLM (Canister Lifecycle Manager) – a build, deploy, and monitoring service for managing the entire lifecycle of IC smart contracts 

You’ll primarily work in Rust, TypeScript,Node,js, and other modern backend technologies. Responsibilities:

Develop robust, secure, and scalable backend systems and services using Rust and TypeScript Manage the entire feature lifecycle, from initial concept and design through implementation and ongoing support Collaborate with platform engineering teams to deploy and maintain production services Design and implement CI/CD pipelines for rapid product iteration as user adoption increases Collaborate with other engineers and business stakeholders to define and deliver high-impact solutions Mentor fellow engineers to promote knowledge sharing and teamwork. Contribute to frontend codebases (TypeScript) and SDKs as needed to ensure complete product delivery

You might be a great fit if you:

Possess a strong foundation in computer science (degree or equivalent) Have extensive experience leading full-stack engineering projects Demonstrate strong proficiency in modern backend development languages, including TypeScript, Go, Python, and Rust Have experience designing and building REST APIs for B2B and B2C applications Have a proven track record of building distributed systems, developer tools, or user-facing products Are curious and comfortable contributing to frontend development as needed Can effectively collaborate in a multi-disciplinary team across multiple time zones Exhibit excellent interpersonal and communication skills Are passionate about democratizing software engineering and building a more resilient internet

Bonus Points:

Proven experience developing backend applications using Rust Active contributions to open-source software projects Experience in building products leveraging large language models (LLMs) Familiarity with the Internet Computer or other blockchain technologies

More information about what you'll be working on:

Internet Computer Read about Caffeine in the ICP 2025 Roadmap and watch Where AI Builds to learn more about what this team is working on. Try icp.ninja to see how the Internet Computer makes developing and deploying applications a streamlined process.

Base Salary Range:  $175,000 - $235,000/yr This position can be considered across multiple levels. Total compensation at DFINITY consists of base salary + generous bonus and is determined based on multiple factors including job leveling, areas of expertise, educational background, geographic location and overall experience.   In addition to the cash components of our offers, we have generous benefits including top tier medical, dental, and vision insurance; disability insurance; life insurance; 401(k); flexible PTO policy in addition to paid holidays.About DFINITY and the Internet Computer:

DFINITY is a leading contributor to the Internet Computer Protocol (ICP), with a mission to bring the world's compute onto the secure ICP network. Built on its unique third-generation blockchain technology, ICP enables the development and operation of a new generation of unstoppable, tamper-proof, fully decentralized web applications. Its powerful technology can run entire AI models within smart contracts, representing a major advancement for secure AI. Through seamless integration with Bitcoin, Ethereum, and other networks, ICP facilitates multi-chain operations for digital assets and web3. Join our team of over 250 talented individuals, including world-renowned cryptographers, distributed systems engineers, programming language experts, and industry leaders, who are shaping the future of the internet and web3.

DFINITY was founded in 2016 by entrepreneur and crypto theoretician, Dominic Williams.All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.

Apply Now:

BitGo is the leading infrastructure provider of digital asset solutions, delivering custody, wallets, staking, trading, financing, and settlement services from regulated cold storage. Since our founding in 2013, we have focused on enabling our clients to securely navigate the digital asset space. With a global presence and multiple Trust companies, BitGo serves thousands of institutions, including many of the industry's top brands, exchanges, and platforms, and millions of retail investors worldwide. As the operational backbone of the digital economy, BitGo handles a significant portion of Bitcoin network transactions and is the largest independent digital asset custodian, and staking provider, in the world. For more information, visit www.bitgo.com.This role will require being full-time onsite at our Palo Alto office to support collaborative team dynamics and innovative problem-solving. BitGo is looking for a Senior Software Engineer to join our Crypto as a Service Team and help us build an API -first platform for businesses and developers to launch crypto products. Responsibilities:

Design and build scalable, well abstracted, and robust APIs, libraries, and services to empower our API-first platform Own functionality and scalability features by taking responsibility from inception to deployment and customer integration Expose and document functionality to the UI, third-party developers, and our internal and external tooling Collaborate with cross-functional teams to define, design, and ship new features Write clean, maintainable, and efficient code Ensure the performance, quality, and responsiveness of applications Identify and correct bottlenecks and fix bugs Continuously discover, evaluate, and implement new technologies to maximize development efficiency Participate in code reviews and contribute to a culture of continuous improvement Work closely with product managers, designers, and other engineers to understand and refine product requirements Provide mentorship to your peers in the broader engineering team through code reviews and education on best practices

Skills & Experience:  We are looking for teammates who share and practice our values: open communication, transparency, taking ownership, and a high level of craftsmanship. We are looking for coworkers who share our vision and mission: deliver trust in digital assets.  Required:

At least 6 years of proven experience of back-end and server-side development Great at algorithm design, problem solving, and complexity analysis Strong experience with TypeScript, Node.js, Express, PostgreSQL and MongoDB Strong development experience with any of the JVM languages, preferably Kotlin or Java Strong experience with RESTful API design Experience with microservices and service-oriented architectures Experience with unit and functional testing and debugging Experience in Git/GitHub and branching methodologies, code review tools, CI tools, etc. Ability to move quickly and adjust course as needed in a fast-paced environment Bachelor’s degree in computer science, applied mathematics, or another technical discipline from a top university Understanding of and strong interest in cryptocurrencies and blockchain

Preferred:

Experience developing consumer-facing crypto products Proven experience building public-facing APIs in a production environment Development experience building microservices in Spring framework Ability to work full-stack and familiarity with React  Experience working with clients and/or business partners Familiarity with any of the following: digital wallets, clearing and settlement, lending, trading, accounting systems, etc

Why Join BitGo? Disrupting an industry takes vision, innovation, passion, technical chops, drive to deliver, collaboration, and execution. Join a team of great people who strive for excellence and personify our corporate values of ownership, craftsmanship, and open communication. We are looking for new colleagues who bring innovative ways of thinking and problem solving, and who want risks to be part of the team that changes the world’s financial markets. Pay Transparency Notice: Depending upon your leveling and location, the compensation for this role averages between $165,000 - $210,000 USD base salary. Equity, an annual performance bonus and the benefits outlined below are also a part of this role's package.  Here are some of the benefits* of working at BitGo:

Competitive base salary, bonus and stock options 100% company paid health insurance for employee, partner and dependents Up to 4% 401k company match Paid parental leave, Paid vacation Free commuter/parking pass; 5 min from Caltrain Free custom lunches, dinners and snacks  Computer equipment and workplace furniture to suit your needs Great colleagues and inspiring startup environment

*Benefits may vary based on location  Cryptocurrencies are the most disruptive change the financial services industry has seen in years. Join us and you’ll be able to look back and say you were part of the team that transformed investing.

Apply Now:

WOO X is a global centralised crypto futures and spot trading platform offering best-in-class liquidity and price execution. WOO X has an average daily volume exceeding $1.5 billion and is home to hundreds of thousands of traders worldwide. WOO X traders benefit from radical transparency through our industry-first live Proof of Reserves & Liabilities dashboard and the company's mission to maintain the trust of its growing community of traders. Our team of 200+ highly-talented employees works from 12 cities across eight countries in Europe and Asia 🚀 Our vision is to inspire confidence, higher performance, and joy in every user. We have a mission to provide the best liquidity on the best terms. We compete not just on price execution but also on integrity, user experience, innovative tools, and global opportunities. About the opportunity: We are looking for a Junior Software Engineer who can join us along this mission and vision. You’ll become an integral part of the Tech team, you’ll be matched to one of our core engineering teams — such as backend, frontend, QA, or infrastructure — based on your skills, interests, and learning goals. Interested? Keep on reading! What you’ll be working on:

Collaborate with your assigned team (backend/frontend/QA) to build product features, tools, or infrastructure. Participate in code reviews, tech discussions, and team agile processes. Learn and apply best practices in scalable system design, automated testing, and modern development workflows. Contribute to internal projects or product enhancements used by real traders worldwide.

Why work with us: Join us in realising our vision in advancing decentralisation, and leading innovation in CeFi. Enjoy work flexibility, a supportive team, and an environment that nurtures your ideas. Plus, expect a performance-based annual bonus for all contributors at WOO 💪 About you:

Final-year student or recent graduate in Computer Science, Information Engineering/Management, or related field. Solid understanding of programming concepts, data structures, and algorithms. Familiarity with at least one programming language (e.g. Java, Python, JavaScript). Proactive, curious, and eager to learn from real-world engineering challenges. Bonus points for:

Java / Spring Boot experience Personal or school projects demonstrating engineering skills Internship or side project experience in software development.

Getting the job We're actively seeking talented individuals to join our team outside of our typical hiring schedule. This proactive approach allows us to connect with exceptional candidates like you even before specific positions become available. On average, successful candidates go through five rounds of interviews and tests. Our hiring process begins by meeting with our People Team, who help facilitate the process of placing you in your new role. You can expect to share your experience and ideas in online video interviews with our hiring team, made up of management and potential new colleagues. Submitting your resume now ensures that you're first in line when new opportunities arise. By doing so, you'll have a head start in the selection process and get a chance to showcase your skills and experience. Get started on your application here!

Apply Now:

About the Company:  Shardeum is building a layer 1, EVM-based, linearly scalable, smart contract platform that provides low gas fees forever while maintaining true decentralization and solid security through dynamic state sharding. Shardeum aims to be a chain capable of onboarding over a billion people to the crypto revolution, while also democratizing accessibility to decentralization. Shardeum’s mission is supported by prominent Venture Capitalists in the blockchain space, and we are on track to become one of the most widely used and well known smart contract platforms in blockchain history.We encourage you to browse our website, Whitepaper, Discord and YouTube channel to learn more about the project. You can even try downloading our validator software and joining our Testnet. We encourage people of all backgrounds to apply. Your talent and potential is what matters most to us. Shardeum is committed to creating an inclusive culture.About The Role: The Software Engineering team at Shardeum is responsible for delivering the Shardeum Mainnet, and developing the smart contract platform, the consensus layer and the protocol layer. We focus on building scalable, performant, secure and reliable software that can be downloaded by thousands of node operators to actualize the Shardeum network. We are in search of a highly talented, innovative Principal Blockchain Engineer that can take on a technical leadership role on highly complex, blockchain projects. If you enjoy solving complex computer science problems, are passionate about what you work on, are a perfectionist who wants to build things the right way, and are persistent about finishing what you started, then you're the kind of person we are looking for. You will be working with equally talented and innovative individuals with the goal of building incredible software with the potential to change the world. What You'll Be Doing:

Provide technical structure to teams and work closely with management and stakeholders to define strategic road maps for complex, Layer-1 blockchain projects. Manage individual projects, priorities, deadlines and deliverables with your technical expertise. Mentor and train other team members on design techniques, coding standards and best blockchain basics. Contribute to the architecture and implementation of complex software components on the blockchain. Take on end-to-end ownership of critical software components related to our L1. Design and develop innovative new consensus and protocol software. Ensure performance optimization, and making scalability / reliability improvements to the software. Resolve issues, debugging errors and fixing code to improve the reliability and security of Shardeum software components. The tech stack you will be using is: Nodejs, TypeScript, SQLite, Postgres, React and Vuejs. The development environment will be: Linux, Git, AWS, Docker and VS Code.

What We're Looking

Extensive experience designing, implementing and maintaining complex blockchain components. You know what high quality code looks like and know how to foster an environment that creates it. Fluency with algorithms and data structures. The ability to quickly learn new languages and technologies. The ability to write clean yet efficient code. The Creativity to come up with proof of concept from high level design, even in an often ambiguous environment. Self motivated to set priorities and methodically make progress toward goals. The ability to communicate effectively and convey your ideas when discussing technical topics with team members. Bachelor's Degree in Computer Science or a related field.

We'd Love If You Have:

Experience working on all levels of a Layer 1 blockchain. Experience with concurrency, parallelism and distributed systems. Experience with consensus protocols and other blockchains. Experience with Node.js and TypeScript, or languages like C, C++, Rust or GO. Experience writing a smart contract on a blockchain. Experience running a node in a blockchain network. Read the Bitcoin and Ethereum white papers.

We are building the infrastructure for Web 3.0. We are building the infrastructure for Web 3.0. 

Apply Now:

Octopus by RTG is enabling a key partner organization to build their digital hubs in Egypt and grow their tech teams around the world. We are currently looking for the right pioneers to work on exciting AI Projects with a key partner in Riyadh, KSA.

Octopus is proud to be part of the Robusta Technology Group (RTG), a leading tech group. With a decade of experience and a successful track record of delivering over 300 projects across Europe, the Middle East, and North America, RTG has established itself as a preferred employer in the Egyptian market. Octopus and Robusta are building a bridge between Europe and Africa, creating tailored hub solutions to connect companies with top talent across the globe.

Octopus is specialized in rapidly assembling remote & onsite global tech teams that are fully aligned with the culture and practices of a particular brand. By providing tailored hubs to suit its clients needs, Octopus gives companies all the advantages of remote work and offshoring without all the negatives.

We are currently hiring for a remittance company based in the UAE with nearly five decades of experience specializes in individual and corporate remittances as well as foreign currency exchange. Operating through 22 branches, it prioritizes efficiency over network size.

Blockchain Solutions Development

• Design and develop secure, scalable blockchain applications including e-wallets, crypto wallets, DeFi protocols, and tokenization platforms.
• Work with blockchain frameworks (e.g., Ethereum, Solana, Polygon, etc.) to build decentralized applications tailored to financial use cases.
• Write clean, efficient smart contracts and ensure proper testing and deployment using best practices.
• Optimize performance, cost-efficiency, and scalability of blockchain systems.

Technology Implementation & Innovation

• Evaluate and apply emerging blockchain technologies and frameworks to meet business needs.
• Collaborate with product managers, designers, and backend engineers to translate requirements into blockchain-powered features.
• Contribute to architectural decisions, technology stack selections, and the overall product development lifecycle.

Collaboration & Leadership

• Mentor junior engineers and promote best practices across the development team.
• Collaborate with cross-functional teams including Product, Security, and DevOps to ensure smooth integration and high-quality delivery.
• Participate in code reviews, architecture discussions, and continuous improvement efforts.

Security, Governance & Compliance

• Ensure adherence to blockchain security best practices, including audits, encryption standards, and secure coding practices.
• Stay informed of relevant regulations and compliance standards in the fintech/blockchain space.
• Contribute to documentation and governance processes to maintain infrastructure reliability and regulatory alignment.

• Experience:
• Proven track record of leadership roles in technology, with a focus on blockchain, decentralized systems, and Web3 solutions.
• Expertise in building and managing fintech solutions, including e-wallets, crypto wallets, tokenization platforms, and DeFi applications.
• Skills:
• Deep understanding of blockchain protocols, smart contracts, and tokenomics.
• Strong knowledge of financial systems and regulations.
• Exceptional leadership, team management, and communication skills.
• Ability to foster collaboration between technical and business teams.
• Education:
• Bachelor’s or Master’s degree in Computer Science, Information Technology, or a related field.

• Opportunity to lead in a fast-paced, innovative environment.
• Collaboration with a team of industry experts.
• Competitive salary above the market range.
• The chance to shape the future of blockchain-based fintech solutions.

Apply Now:

Company Founded in 2018 by CPAs, tax attorneys, and software developers, TaxBit is creating an entirely new category to enable widespread compliant adoption of digital assets for the global economy. TaxBit’s Software-as-a-Service (SaaS) platform streamlines and automates customers’ tax reporting and accounting activities for digital assets.  Trusted by leading crypto, tech, and traditional enterprises, Big 4 accounting firms, and government agencies (including the IRS), TaxBit solves compliance challenges at scale amidst an ever-evolving regulatory landscape. TaxBit is backed by leading Silicon Valley VCs with teams located in New York City, San Francisco, Seattle, Salt Lake City, and Washington, D.C.Opportunity for ImpactTaxBit is seeking Software Engineers who are excited by problems in the FinTech space and solving scaling problems, both for growing volume and international expansion. TaxBit software engineers are passionate about software and people! Your role will build and implement software solutions to deliver world-class experiences and capabilities for our users and clients. We welcome individuals who are humble, hungry, and open to tackling some of the industry's biggest challenges!Role and Responsibilities

Build modern solutions to complex problems that are elegant and efficient.  Partner with designers and product managers to solve the right problems for customers. Write well-designed, well-tested, readable, and maintainable code Participate in code reviews to maintain code quality, distribute knowledge, and help team velocity Own solving problems end-to-end across a variety of systems and services in close collaboration with other engineers at TaxBit

Professional Qualifications

6+ years of professional programming experience building cloud applications and services Experience building scalable distributed system architecture, APIs, and modern web frontends Passionate about code quality, continuous delivery, automated testing, and incident response Ability to work in an agile environment and challenge yourself and your team to improve their ways of working Excellent analytical and problem-solving skills and ability to communicate ideas clearly across all technical and non-technical audiences Teamwork and mentorship Bachelor's degree in Computer Science, Computer Engineering, relevant technical field, or equivalent practical experience

Personal Characteristics

Strong coding skills in Typescript NodeJS/React and/or Python Experience with a variety of cloud storage solutions (SQL, Blob, Document, Search) Experience with AWS cloud infrastructure, DataDog, and GitHub CI/CD Experience with big data technologies like Spark/Iceberg/Hive/Kafka/Presto etc. Familiarity and interest in the emerging and evolving Web3 space

Compensation  The base salary range for this role is $140,000 - $200,000. Certain roles may be eligible for incentive compensation, equity, and benefits. Actual compensation will vary depending on various job-related factors, including, but not limited to location, experience, level, and job qualifications. Benefits & Perks

Competitive cash compensation (based on experience) Equity (RSUs) Competitive benefits package A modern 401(k) plan that includes access to crypto, financial wellness benefits, low fees and more  Hybrid working model: 3 days in-office, 2 days WFH/flexible Monday team lunches, snacks and drinks  Discretionary Time Off - enjoy the flexibility to rest, refuel, and recharge  Paid parental leave to bond with your child  Fertility Benefit  Autonomous work and flexibility in how work is performed TaxBit in the News  Corp PressForbes America's Best Startup Employers Deloitte Top 10 Fast 500 Award Forbes FinTech 50Recent Product Announcements TaxBit Announces AI Enabled Rules Engine for Crypto Accounting TaxBit Launches DAC7 Compliance Solution for Digital Marketplaces TaxBit Introduces The First Enterprise-Grade Legal Entity Support Solution for Digital AssetsTaxBit Launches Innovative CESOP Reporting Solution for Digital AssetsTB Thought-Leadership Pieces Fortune - Future of Finance NASDAQ - How Regulation and Technology Are Bridging the Gap Between Tradfi and Crypto Future of Finance Roundtable Event (Video) Coindesk - The Tax Implications of Sam Bankman-Fried’s Conviction Fox Business - AI tools streamlining accounting workflows and opening capacity for innovation Bloomberg Tax - Is Anyone Paying State Taxes on Bitcoin and NFTs? (Podcast) Alliance/ Partner Announcements IRS Taps TaxBit to Audit Bulk Crypto Transactions EY to Collaborate With TaxBit on Digital Asset Tax Reporting TaxBit and KPMG LLP Announce Alliance to Assist Digital Asset Companies Amid Market and Regulatory Uncertainty Deloitte and TaxBit Form Alliance to Meet Exponential Market Demand for Digital Asset Disclaimers

By submitting an application for this role, you certify that the information contained in the application is correct to the best of your knowledge. You understand that to falsify information is grounds for refusing to hire you, or for discharge should you be hired.  Employment with the Company is at will unless otherwise stated in a written agreement signed by the CEO of the Company.  This means that either the Company or the employee can terminate the employment at any time and for any reason, with or without notice.

Apply Now:

*About CoW DAO

CoW DAO is on a mission to protect Ethereum users from the dangers of DeFi. It does this by supporting the development of CoW Protocol, CoW Swap, MEV Blocker, and CoW AMM, and by funding values-aligned projects through the CoW Grants Program.

CoW Protocol is the second-largest DEX aggregator by monthly volume and the first-largest intents-based exchange. MEV Blocker is currently involved in ~4% of all Ethereum transactions, making it the category leader. CoW AMM is the only live AMM that protects LPs from LVR (loss-versus rebalancing).

As a member of CoW DAO’s core team, you will have the opportunity to shape these essential products, and contribute to the Ethereum ecosystem more broadly.

About the role**

Location: We are a fully remote team, and although we hire almost globally, there is a preference for this role to be based in Europe or remote +/- 4 hours CEST time

Please note we’re not hiring from the US, Australia, or New Zealand.

Position: Full-time contractor

We are looking for an enthusiastic, self-motivated, Senior Backend Engineer to help us build the next generation of decentralised trading protocols. As a dedicated backend engineer, you will gain ownership of our existing backend services and influence the creation, design, and execution of future features and products. You will work on technically challenging aspects of our off-chain services and our developer-facing APIs and help ensure the delivery of reliable and performant features to improve CoW Protocol.

Our Tech Stack

• Backend Code: Rust, Tokio, Cargo, Git (https://github.com/cowprotocol/services)
• Infrastructure: Pulumi, AWS, Docker, Kubernetes, Grafana, Prometheus, Elasticsearch
• Other codebases: Typescript, Python, Solidity

What you will do

• Architect and design our off-chain services (core auction protocol as well as the orderbook) to support feature growth and the rapidly changing requirements that come from being an application on a constantly evolving blockchain.
• While your focus will be writing concurrent backend systems in Rust, you will also interact with our Smart Contracts written in Solidity and develop your understanding of auction mechanisms and DeFi protocols
• Participate in our on-call rotation to help ensure the reliability of our production systems (on-call work is additionally compensated)
• Work closely with researchers and the product team to ship features and come up with new solutions for challenging technical problems
• Deliver high-quality code for features from concept until production (including state-of-the-art monitoring of our production systems)
• Give thoughtful and in-depth code reviews of your colleagues’ contributions to our open-source codebase

Who you are

• You have 5+ years of production experience with systems-level programming languages, with at least 1+ year of hands-on production experience using Rust
• You have practical experience working in web3 (ideally in DeFi and the Ethereum ecosystem)
• You have excellent computer science, programming, and algorithmic skills
• Experience with operating, maintaining, and architecting complex software systems
• You care deeply about the quality, readability, observability, and testability of your code
• You proactively give technical direction to improve performance, prevent issues, optimise data usage, and refactor the codebase
• You are a team player, strong communicator, and gladly share your expertise with others
• You collaborate effectively with a remote-first team on a large, open-source codebase
• Ideally, someone senior who can mentor colleagues and provide direction.
• You are excited to explore and gain experience with Ethereum

What we can offer you

• Flexible work environment: Join our hub in Lisbon or work remotely
• Token plan: Have a stake in our mission and shape the future of CoW DAO
• Periodic gatherings: Enjoy opportunities to connect with the rest of the team through regular trips
• Conference allocation: Stay up-to-date with ecosystem advancements using our conference budget
• Learning budget: Use our learning budget to support your higher ambitions
• Hardware budget: Take advantage of a hardware budget for acquiring necessary equipment
• Make an impact: You are joining a startup where you can make a huge difference. Your work matters!
• Flat hierarchies mean fewer processes and bureaucracy - see more of your ideas come to life!
• Flexible work and vacation times: Prioritize work-life balance through our robust flexible work policy and vacation allowance
• Growth: If you’re someone who loves taking the initiative and getting things done, CoW offers lots of opportunities for your individual growth

Referral Program

Earn 6.000 USDC or USD with the refer-to-earn program. More details here.

Culture

Life within the CoW Protocol is an incredible adventure! We take pride in our collaborative approach, embracing autonomy and fostering a culture of big thinking and continuous growth. We value impact, ownership, simplicity, and team spirit. Plus, we’re all about feedback, coming together, and enjoying the journey along the way!

At CoW Protocol, we strive to create a space where everyone feels included and empowered. We believe that our products and services benefit from our diverse backgrounds and experiences. All qualified applicants are considered for positions regardless of race, ethnic origin, age, religion or belief, marital status, gender identification, sexual orientation, or physical ability.

About Us:Founded more than 15 years ago and headquartered in Chicago, the DV Group of financial services firms has grown to more than 450 people operating throughout North America and in Europe. Since spinning out of a large brokerage firm in 2016, DV Trading has rapidly scaled as an independent proprietary trading firm utilizing its own capital, trading strategies, and risk management methodologies to provide liquidity to worldwide financial markets and hedging opportunities to commodity producers and users. Now, DV group affiliates include two broker dealers, a cryptocurrency market making firm, and a bourgeoning investment adviser.DV Commodities is a rapidly growing division that specializes in trading crude oil, refined products, natural gas, and related energy markets across US, Europe, and Asia. Our proprietary risk management and trading methodologies along with a strong ability to adapt to changing conditions has allowed DV Commodities to grow into one of the largest financial participants within the global energy complex.Responsibilities:

Build and improve a variety of proprietary trading tools to support the trading desks across the business Collaborate with other developers, tech leaders, traders, and researchers to outline the technical needs for each trading application Work with technology and business stakeholders in iterative fashion to deliver platform functionality Develop greenfield innovative solutions to address business needs

Requirements:

Expected to graduate with a degree in Computer Science, Computer Engineering, or related field by 2024-2025 Experience programming in either Python, C++ or Java in Linux environments Excellent listening, interpersonal, written, and oral communication skills is required. Excellent analytical and creative problem-solving skills required.

    DV is not accepting unsolicited resumes from search firms. Only search firms with valid, written agreements with DV should submit resumes in response to DV’s posted positions. All resumes submitted by search firms to DV via e-mail, the Internet, personal delivery, facsimile, or any other method without a valid written agreement shall be deemed the sole property of DV, and no fee will be paid in the event the candidate is hired by DV. DV is proud to be an equal opportunity employer and committed to creating an inclusive environment for all employees.

Apply Now:

Caiz

Revolutionizing Islamic Finance with Blockchain Technology

Are you ready to be part of a groundbreaking initiative that combines Islamic finance principles with cutting-edge blockchain technology?

Look no further than Caiz– THE FIRST ISLAMIC ECOSYSTEM BUILT ON BLOCKCHAIN.

At Caiz, our mission is clear: to create a Fiqh compliant financial ecosystem that provides our community with fair and easy access to ethical financial products and services. We believe in empowering individuals to build a strong financial future while engaging in long-term economically beneficial behavior.

Our native coin, Caizcoin, that fuels the Caizblockchain. With Caizcoin, you can make seamless payments, store value, and interact with a range of ethical financial products we are developing. The centerpiece of our ecosystem is the innovative Caizapp, giving users complete control over their digital assets.

We are a passionate team reshaping finance, and we are expanding our dynamic workforce. Join us in a collaborative work environment focused on creating a fast and compliant money transfer structure.

WHY TO JOIN Caiz?

• Innovative & Purpose-Driven: At Caiz, we combine advanced blockchain technology with the principles of Islamic finance to create an innovative and modern financial system. Join us to be part of a forward-thinking organization that is reshaping the future of finance.
• Ethical Impact: As part of Caiz, you'll be working in an Organization that prioritizes ethics and integrity in all its operations, ensuring that every solution we offer aligns with the core values of fairness, transparency, and respect.
• Growth & Learning Opportunities: At Caiz, we value personal and professional growth. You'll have the opportunity to learn, innovate, and grow within a dynamic, supportive environment, while contributing to the development of ethical financial solutions.
• Global Vision, Local Impact: Caiz is focused on creating an inclusive, sustainable financial system that empowers individuals globally. You’ll be contributing to a company that has a positive impact on local communities and the global financial landscape.
• Collaborative Culture: We believe in teamwork and collaboration. You'll work alongside passionate professionals who are committed to driving change in the crypto and blockchain space, working together to create an ethical financial future.
• Secure & Transparent Environment: We emphasize trust and security in all aspects of our operations. As part of Caiz, you’ll be part of a transparent organization that values customer trust and ensures the highest security standards in the crypto space

Tasks

AI/ML Backend Developer (Blockchain-Focused) Job Summary:

We are seeking a talented AI/ML Backend Developer to design and implement AI-driven features into our blockchain ecosystem. You will be responsible for building and deploying machine learning models, managing large-scale data pipelines, and working closely with our blockchain engineering team to deliver intelligent backend services.

Responsibilities:

• Design, develop, and deploy machine learning models for crypto data analysis, fraud detection, and smart automation.
• Build scalable backend systems and APIs that integrate AI capabilities.
• Handle large volumes of data from blockchain transactions and user interactions.
• Work with cross-functional teams including blockchain engineers, DevOps, and product managers.
• Monitor and optimize model performance in production environments.

Requirements

Experience:

• 3+ years of professional experience in specifically in AI/ML projects
• Proficiency in Python, with experience in TensorFlow, PyTorch, or similar ML frameworks.
• Strong backend development skills using FastAPI, Flask, or Django.
• Experience with REST APIs, databases (SQL/NoSQL), and cloud infrastructure (AWS, GCP, or Azure).
• Understanding of blockchain architecture and smart contract interaction.
• Version control using Git and containerization with Docker.

Nice to Have

• Familiarity with Solidity, Rust, or blockchain smart contract languages.
• Experience with MLOps, model serving, and CI/CD pipelines.
• Prior experience in a startup or high-growth tech environment.

Level of studies: Bachelor’s or Master’s degree in Computer Science, Artificial Intelligence, Data Science, or related field.

Language Requirements: Fluent in English

Benefits

BENEFITS AT Caiz :

• Competitive Financial Compensation: We offer financial benefits that reflect the value of your work and dedication.
• Work Flexibility: Enjoy the flexibility to work from home, the office, or even abroad.
• Annual Holidays: Generous paid time off to help you maintain a healthy work-life balance.
• Relocation Assistance: We provide relocation support for employees moving to new locations.
• Professional Development: Opportunities for training, certifications, and career growth.
• Employee Recognition: Programs to celebrate and reward your achievements and contributions.
• Inclusive & Collaborative Culture: A supportive and diverse work environment where your voice matters.
• Diversity, Equality, and Inclusion: We are committed to fostering a workplace that values diversity and promotes equality and inclusion for all employees.

Don't miss this opportunity – apply now and be part of the CAIZ revolution.

Apply Now:

About us At Auros, we’re dedicated to advancing the cryptocurrency ecosystem through unparalleled liquidity and market-making services. We’re one of the largest participants in the market, trading across 10+ global locations, facilitating 3-4% of global daily volumes, and have connectivity to over 50 venues. What sets us apart, though, is our culture. We believe in hiring smart people and empowering them to do their best work. From day one you’ll have the autonomy and support to really excel. Our relentless focus on delivery drives us to continuously push boundaries and achieve exceptional results, all while offering abundant opportunities for personal and professional growth in the dynamic realm of digital assets. The Opportunity This is an exciting role as a key developer solving problems facing our finance, middle office and trading desks to ensure smooth operation of our trading strategies and financial reporting. These systems have to process millions of transactions from dozens of different exchange and banking platforms around the world in dozens of currencies (fiat and crypto). Job Responsibilities

Work with the finance and middle office teams and traders to understand the core problems facing the team and firm’s cryptocurrency trading. Keep up to date on latest developments in the Decentralized Finance (DeFi) and cryptocurrency space. Design and build systems to facilitate trading activities, focused on middle office and finance functions accounting for trading on centralized and decentralized crypto exchanges. Develop full stack solutions using databases, message queues, websockets, HTTP and UI's to solve the complex problems involved in cryptocurrency trading Develop reports, monitoring tools, deployment tools and troubleshooting tools for our trading and accounting systems. Troubleshoot and resolve system issues as and when they occur   Engage with the wider team in system design discussions, code reviews, problem solving, brain-storms and daily office banter

Who you are Our ideal candidate will have:

Bachelor Degree in Computer Science, or other related discipline (although strong software development experience with a less directly related degree will be considered) 2-5 years’ relevant working experience, preferably in financial service industry such as a hedge fund, securities firm, bank, fund administrator or cryptocurrency firm A strong interest in decentralized finance and cryptocurrencies, and solving complicated puzzles that arise in this line of business. Can demonstrate good programming skills in Python, with a strong understanding of data structures and algorithms. Strong skills in data design. Able to articulate ideas and concepts clearly. Reliable, take pride in delivering robust software and are willing to be on call to support the systems you develop. Must be highly organized, have strong attention to detail and the ability to meet established deadlines Ability to be resourceful, work effectively as a team player and can clearly communicate with individuals at all levels of the organization Enjoy trouble shooting and problem solving High integrity, self-confident, positive and creative mind Good oral and written communication skills in English

What We Offer in Return

Opportunity to work at the forefront of the digital asset industry Remote and flexible work Autonomy and a flat structure means you can contribute your ideas from day one and help shape the foundation that will power our future business.

At Auros, we value nimbleness, drive for success, owner mentality, and collaboration. Join us in shaping the future of financial services across Asia and beyond!

Apply Now:

About Prove 

As the world moves to a mobile-first economy, businesses need to modernize how they acquire, engage with and enable consumers. Prove’s phone-centric identity tokenization and passive cryptographic authentication solutions reduce friction, enhance security and privacy across all digital channels, and accelerate revenues while reducing operating expenses and fraud losses. Over 1,000 enterprise customers use Prove’s platform to process 20 billion customer requests annually across industries, including banking, lending, healthcare, gaming, crypto, e-commerce, marketplaces, and payments. For the latest updates from Prove, follow us on LinkedIn. Prove is driving the future of digital identity. We are looking for Provers who know how to make an impact. We’re talking self-starting professionals who thrive in a fast-paced environment, process information quickly, and make intelligent decisions. The work is challenging and requires not only smart but natural curiosity and tenacity. Teamwork is also important to us – we work together and play together.    Prove has big plans, and we’re excited about the future. If this sounds like the place for you – come join our team!  Title: Senior Software Engineer Department: Engineering  Reports To: Senior Director, Engineering FLSA Status: Exempt  Location: US (Remote) This Senior Software Engineer will be part of the team designing and developing the digital identity infrastructure. Leveraging your knowledge and passion for excellence you will deliver well-thought-out software solutions as part of a fault-tolerant, scalable platform utilizing a variety of cutting-edge technologies. This is a hands-on role where you will need to demonstrate the skills, experience, and confidence to work with other senior engineers and product management team members to deliver solutions that will delight our customers.   Key Responsibilities:

Write well designed, testable, efficient code that meets coding standards. Ensure designs comply with requirements, perform code reviews. Own delivery of software features from inception to production, develop project roadmap, engage with Product to define technical requirements and design, engage with IT/Ops to ensure software makes it out to production in a timely manner. Exercise creative thinking and imagination to find solutions to hard problems. Lead projects and mentor engineers. Promote, maintain, and enhance our cultural values of humility, passion, inclusion, and leadership.

  Qualifications and Experience:

10+ years of software development experience Deep understanding of object-oriented programming and experience with at least one object-oriented programming language (e.g. Python, Java) Experience architecting and developing solutions to complex problems. Experience with public cloud services (AWS or Google Cloud Platform or Azure) Bachelors in computer science or other quantitative fields or relevant experience. Experience with database internals, database language theories, database design, SQL, Graph QL and No SQL technologies. Prior technical leadership experience  AWS Certification DevOps Experience highly desirable Strong passion for learning about our products and markets through in-house and external training. Experience in high growth /pre-IPO Technology companies is a plus.

This position description should not be considered the final description of the position. The position description is not intended to be an all-inclusive list of duties and standards of the positions. It should be assumed that we would, to some extent, structure responsibilities in accordance with the successful candidate’s capabilities and changing business conditions. Incumbents will follow any other instructions, and perform any other related duties, as assigned by their supervisor. The salary range for this role is $145,000 - $180,000 plus company bonus. The offered salary will be determined by the applicant’s education, experience, knowledge, skills, and abilities, as well as location, internal equity, and alignment with market data. Benefits & Perks for FTE Provers:

Competitive salaries & Bonus Plan (for eligible roles) and Equity Plan Modern Health for financial, mental, and physical wellness 401(k) Retirement Plan & Match (US Offices) and Local Country Pension (International Offices) Unlimited Vacation and Flexible hours Comprehensive medical benefits for you and your family ❤️ Emotional & Physical Wellness – Access to wellness services (EAP & Prove Well-Being Reimbursement) Bottomless snacks & beverages for certain office locations Daily GrubHub stipend for lunch if coming into the office (US Offices) A great place to work and connect with other talented Provers like yourself!

Don’t meet every single requirement? Studies have shown that women and people of color are less likely to apply to jobs unless they meet every single qualification. At Prove we are dedicated to building a diverse, inclusive and authentic workplace, so if you’re excited about this role but your past experience doesn’t align perfectly with every qualification in the job description, we encourage you to apply anyways. You may be just the right candidate for this or other roles. Equal Opportunity Employment:Prove is an equal opportunity employer committed to providing equal employment opportunity for all people regardless of race, color, religion, gender or sexual orientation, age, marital status, national origin, citizenship status, disability, veteran status or other personal characteristics  Privacy & Data Protection:When you are applying for a job at Prove, we collect and use your personal information in the job application process. To understand more about how Prove uses your personal information, please see our Recruitment Privacy Policy on our website.

Apply Now:

As a Senior Rust Core Engineer at Raiku, you will spearhead our engineering efforts, driving the innovation and implementation of next-generation high-performance distributed systems. You will work with a highly proficient team of core engineers who have all contributed to foundational and novel network components.

We believe in hiring only exceptional individuals who are highly motivated to work on complex core infrastructure challenges and are motivated by a coherent system design philosophy that will drive our industry forward. Expect frequent group discussions on architecture, new design specs and code reviews. We are all deeply committed to frequently shipping quality code.

About Raiku

Raiku is reimagining Solana’s consensus ecosystem by developing software that directly connects validators with purpose-built execution environments. We’re building institutional-grade infrastructure that delivers unprecedented performance, guaranteed transaction inclusion, and deterministic settlement for the next generation of internet-native applications. We unlock radical bandwidth and latency improvements by shifting Solana’s focus to state verification.

About the Engineering Team

As a team, we are building an entire platform written in Rust, which connects the L1 and L2s and allows us to create deeply complex scenarios and interactions with the running network. While your primary focus for this role is Rust and complex interactions with different components, you will likely also be involved in infrastructure (e.g., k8s), script writing, and supporting projects in other languages (e.g., Go). Working at every level of the stack is necessary to understand the big picture and how everything is wired together.

Responsibilities

• Highly motivated to contribute to our mission and be part of something bigger. Excited to work on projects that are ground-breaking and complex.
• Refactor, improve and lead software design implementation
• Communicate effectively with the team and document your code. It is also expected that founding engineers mentor less experienced engineers.
• Read and understand protocol specifications and be able to break them into issues and turn them into Rust code.
• Maintaining a large codebase with many components and keeping it well-designed, future-proofed, modular and highly performant
• Automate security testing processes and benchmarks, creating innovative tools and frameworks for continuously improving our systems.

What You’ll Bring:

• A bachelor’s or master’s degree in Computer Science, Engineering, or a related technical field, coupled with practical experience in blockchain systems.
• At least 3 years of experience in distributed systems, with a deep technical understanding of L1 and L2 architectures.
• Strong proficiency in Rust, with at least 2-3 years of Rust experience.
• Strongly emphasising writing performant and secure code.
• Demonstrated experience in designing, developing, and deploying scalable distributed systems.
• An analytical mindset with the ability to anticipate and mitigate emerging security threats, leveraging a comprehensive understanding of the blockchain landscape.

Preferred Qualifications

• Active open-source contributions in core protocol engineering (such as Firedancer, Reth, Lighthouse, Geth, …).
• Direct involvement in the Solana ecosystem, with contributions to Solana’s runtime, scheduler, or other core systems.
• Experience writing Solana Program Library (SPL) and Anchor or similar frameworks
• Active engagement with the blockchain security research community, evidenced by contributions to open-source projects, publications, or presentations at notable conferences.

Benefits

• Competitive remuneration packages based on iterative market research, including tokens
• Remote-first and self-initiating with flexible hours
• Work with team players who are genuinely excited about their impact and projects.
• A dynamic and collaborative work environment that fosters innovation and recognises individual contributions to collective success
• Opportunities for professional growth and advancement within a rapidly growing technological frontier

Genies is an AI avatar and games technology company powering the next generation of digital experiences. Genies' technology stack is rooted in empowering user generated content through the company's two main mantras: “Anyone can create anything” & “Everything works with everything” By combining these two guiding principles, individuals can craft limitless experiences while IP owners can build dynamic social gaming ecosystems powered by user-generated content (UGC) and AI Avatars—what Genies calls "Parties." Genies' technology stack features a comprehensive suite of UGC tools that enable anyone to create AI avatars, complete with customizable fashion, props, behaviors, and personalities, as well as immersive AI avatar Experiences. At its core are the set of our Software Development Kits and Cross-Platform Frameworks, which leverage machine learning and computer graphics to ensure seamless interoperability across all UGC and AIGC avatars and experiences—unlocking boundless creative potential. Early adopters of Genies’ first gen avatars include icons like Justin Bieber, Rihanna, J Balvin, Migos, and thousands more. With offices in Los Angeles and San Francisco, Genies has raised $200M from notable investors including Silver Lake, BOND, NEA, and Bob Iger. Genies seeks a talented Senior 3D Software Engineer to join our innovative Avatar Technology team. We are looking for a candidate who blends a passion for digital characters with technical expertise in designing and implementing cross-platform 3D graphics solutions. As a Senior 3D Software Engineer, you will be instrumental in developing technologies that manipulate geometry, textures and shaders to elevate the fidelity and performance of our avatars—setting new benchmarks for digital expression and identity. Why Genies? You are curious about the future of avatar technology and empowering users to represent their digital selves. You have an underlying passion for encountering complex problems and creating smart, strategic solutions. How avatars will play in the consumer marketplace resonates with you and you see a future where our digital identities help to create a world where people can create, express and be their true authentic selves.  What You’ll Be Doing:

Prototype, build, and debug research-driven tools for 3D content creation on both cloud and mobile computing platforms. Architect clean, extensible software and systems, emphasizing open standards and portability. Optimize data structures and algorithms for enhanced speed, memory efficiency, storage, and low latency. Share expertise in computer graphics with an interdisciplinary team, fostering knowledge exchange. Collaborate with technical leaders and cross-functional teams, providing strategic guidance on the development and debugging of research-driven 3D tools.

What You Should Have:

Computer Science degree or equivalent industry experience, with a proven record of academic and professional excellence. 4+ years of experience developing 3D software and/or real-time engines (Unity, Unreal), including a deep understanding of their architectures. Advanced understanding of 3D mathematics, including linear algebra, computational geometry, and numerical methods. In-depth 3D graphics knowledge, including OpenGL, Vulkan, and shader programming. Strong programming skills, with proficiency in C++ and Python. Solid expertise in data structures, algorithms, design patterns, and testing frameworks. Excellent teamwork and collaboration skills, with the ability to work effectively across cross-functional teams and with various stakeholders. Ability to problem-solve and draw from varied technologies to innovate quickly.

Excellent to Have:

Experience with 3D animation, rigged character systems and physical simulation Experience with AI models in the context of 3D Experience with open standards, 3D interchange formats (USD, glTF) and compression techniques. Experience building tools for DCCs (Blender, Maya, Houdini) Experience with cloud orchestration and CI/CDs Experience with concurrent programming Experience with GPU programming (e.g. CUDA, OpenCL)

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.  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, monthly mental health days 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 windows laptop

Starting Salary: $190K - $250K

Apply Now:

Quantitative Software Engineer

Who We Are

We are building a cutting-edge delta-neutral trading protocol that captures volatility and yield across BTC, ETH, and liquid altcoins through advanced basis trading, OTC liquidity strategies, and perpetual derivatives.

By combining market-neutral strategies and innovative hedging solutions, we provide unparalleled capital efficiency for institutional and advanced traders. Our team has deep experience from leading crypto protocols, traditional finance firms, and exchanges, backed by top-tier investors and partners. We are creating the next generation of yield-optimised trading infrastructure for the digital asset markets.

What We Are Building

We are pioneering a delta-neutral, volatility-driven trading infrastructure designed to enable scalable exposure to major digital assets while managing directional risk. Our protocol integrates:

• Delta-Neutral Strategies: Leveraging basis trades, funding rate arbitrage, and hedging for consistent, market-neutral yield.
• OTC Integration: Discounted asset acquisition for cost optimisation and arbitrage opportunities.
• Automated Hedging: Combining perpetual futures, options, and liquidity strategies to minimise risk.

This platform is tailored to institutions, treasuries, and sophisticated market participants looking for capital-efficient yield in the crypto space.

Who We Are Looking For

We are seeking a Quantitative Software Engineer who is excited to work at the intersection of financial innovation and frontier technology. You are a problem-solver who thrives in a fast-paced, zero-to-one environment and have a passion for designing sophisticated trading systems.

You will play a pivotal role in building and optimising the internal trading and arbitrage platform, enabling automated delta-neutral strategies that scale across both centralised exchanges and DeFi markets.

Role Summary

The Quantitative Software Engineer will develop and maintain a high-performance internal trading and arbitrage platform. You will design automated delta-neutral derivative strategies, integrate with smart contracts, and collaborate across teams to deliver robust trading solutions for real-world market conditions.

Key Responsibilities

• Develop and maintain an internal trading and arbitrage platform, focusing on real-time low-latency data capture, order execution, and risk monitoring. Design and implement automated delta-neutral derivative strategies across centralised venues and DeFi smart contracts. Establish secure and efficient connectivity with
• custody providers, centralised exchanges, and OTC desks for seamless trading operations. Optimise systems for
• latency, scalability, and high-performance execution.
• Collaborate with smart contract engineers to integrate delta-neutral strategies within DeFi ecosystems.
• Build internal monitoring tools to track risk, funding rates, and arbitrage opportunities
• in real-time. Work cross-functionally with other engineers and quantitative analysts to drive product innovation.

Qualifications

• Minimum 2 years’ professional experience at a reputable crypto trading firm, hedge fund, DeFi protocol, or digital asset exchange, with a proven track record of delivering high-quality trading systems in production environments.
• Expert-level proficiency in Python programming, with demonstrable experience in architecting, developing, and maintaining robust, high-performance trading systems. Experience with advanced Python libraries (e.g., NumPy, pandas, asyncio, websockets) and hands-on exposure to asynchronous, event-driven programming is required.
• Proficiency in Rust/C++/Go is highly desirable, including experience in building performance-critical components, low-latency systems, or integrating low latency modules with Python applications.
• Hands-on experience with market-making engines or quantitative trading platforms, including system design, order management, strategy implementation, and real-time risk management. Familiarity with order book dynamics, liquidity provisioning, and exchange connectivity (REST/WebSocket APIs, FIX protocol, etc.) is essential.
• Deep understanding of networking, CPU and memory models, and low-level programming concepts, including multi-threading, concurrency, and performance profiling. Experience with optimizing system resource usage and troubleshooting latency or throughput bottlenecks is required.
• Familiarity with Solidity and blockchain fundamentals, including smart contract development, security best practices, wallet integration, and decentralised infrastructure (e.g., EVM-compatible chains, Layer 2 scaling solutions, bridges).
• Demonstrated quantitative and analytical skills, including experience designing, backtesting, and optimizing quantitative trading strategies. Strong grasp of statistics, probability, and time-series analysis; proficiency in using simulation frameworks and data analysis tools.
• Strong understanding of financial markets and market microstructure, especially in the context of crypto assets, derivatives, and DeFi protocols.
• Experience working with large-scale data pipelines and real-time data processing, including ETL design, data validation, and integration with cloud-based or distributed systems (e.g., Kafka, Redis, TimescaleDB).
• Comfortable with DevOps practices, including containerization (Docker), CI/CD pipelines, infrastructure-as-code, and monitoring/alerting tools.
• Ability to work collaboratively in a remote-first, fast-paced environment, including excellent communication skills, self-motivation, and the capacity to manage multiple priorities and deliver under tight deadlines.
• Fluent in English, both written and spoken, with the ability to clearly explain complex technical concepts to both technical and non-technical stakeholders.
• Bachelor’s degree or higher in Computer Science, Mathematics, Engineering, Physics, or a related quantitative discipline is strongly preferred.

Our Engineering Stack

• Frontend: React, Next.js, Wagmi, Viem, TailwindCSS.
• Backend: Python, Solidity, SQL, GraphQL, Docker, AWS, Ethereum.

What We Offer

• Competitive Salary: Commensurate with experience.
• Globally remote working opportunities with flexible hours.
• An opportunity to build the next generation of yield-optimised trading infrastructure in crypto.
• Collaboration with a world-class team driving innovation in delta-neutral strategies and OTC trading.
• The chance to work on a protocol that bridges centralised and decentralised markets, delivering solutions for institutional-grade DeFi.

Why Join Us?

If you are passionate about building automated delta-neutral strategies, low-latency systems, and cutting-edge trading solutions, this is your opportunity to make a real impact. Join us as we transform how institutions capture volatility and yield in the crypto markets.

Apply now and help redefine the future of decentralised capital efficiency.

As a Senior Rust Core Engineer at Raiku, you will spearhead our engineering efforts, driving the innovation and implementation of next-generation high-performance distributed systems. You will work with a highly proficient team of core engineers who have all contributed to foundational and novel network components.

We believe in hiring only exceptional individuals who are highly motivated to work on complex core infrastructure challenges and are motivated by a coherent system design philosophy that will drive our industry forward. Expect frequent group discussions on architecture, new design specs and code reviews. We are all deeply committed to frequently shipping quality code.

About Raiku

Raiku is reimagining Solana’s consensus ecosystem by developing software that directly connects validators with purpose-built execution environments. We’re building institutional-grade infrastructure that delivers unprecedented performance, guaranteed transaction inclusion, and deterministic settlement for the next generation of internet-native applications. We unlock radical bandwidth and latency improvements by shifting Solana’s focus to state verification.

About the Engineering Team

As a team, we are building an entire platform written in Rust, which connects the L1 and L2s and allows us to create deeply complex scenarios and interactions with the running network. While your primary focus for this role is Rust and complex interactions with different components, you will likely also be involved in infrastructure (e.g., k8s), script writing, and supporting projects in other languages (e.g., Go). Working at every level of the stack is necessary to understand the big picture and how everything is wired together.

Responsibilities

• Highly motivated to contribute to our mission and be part of something bigger. Excited to work on projects that are ground-breaking and complex
• Refactor, improve and lead software design implementation
• Communicate effectively with the team and document your code. It is also expected that founding engineers mentor less experienced engineers.
• Read and understand protocol specifications and be able to break them into issues and turn them into Rust code.
• Maintaining a large codebase with many components and keeping it well-designed, future-proofed, modular and highly performant
• Automate security testing processes and benchmarks, creating innovative tools and frameworks for continuously improving our systems.

What You’ll Bring:

• A bachelor’s or master’s degree in Computer Science, Engineering, or a related technical field, coupled with practical experience in blockchain systems.
• At least 3 years of experience in distributed systems, with a deep technical understanding of L1 and L2 architectures.
• Strong proficiency in Rust, with at least 2-3 years of Rust experience.
• Strongly emphasising writing performant and secure code.
• Demonstrated experience in designing, developing, and deploying scalable distributed systems.
• An analytical mindset with the ability to anticipate and mitigate emerging security threats, leveraging a comprehensive understanding of the blockchain landscape.

Preferred Qualifications

• Active open-source contributions in core protocol engineering (such as Firedancer, Reth, Lighthouse, Geth, …).
• Direct involvement in the Solana ecosystem, with contributions to Solana’s runtime, scheduler, or other core systems.
• Experience writing Solana Program Library (SPL) and Anchor or similar frameworks
• Active engagement with the blockchain security research community, evidenced by contributions to open-source projects, publications, or presentations at notable conferences.

Benefits

• Competitive remuneration packages based on iterative market research, including tokens
• Remote-first and self-initiating with flexible hours
• Work with team players who are genuinely excited about their impact and projects.
• A dynamic and collaborative work environment that fosters innovation and recognises individual contributions to collective success
• Opportunities for professional growth and advancement within a rapidly growing technological frontier

About APF Company Limited

APF Company Limited is a Hong Kong headquartered blockchain ecosystem fund focused on strategic investments and active trading strategies in liquid cryptocurrency markets.

Overview

We’re seeking a talented Founding Quantitative Developer to join our Hong Kong team, where you’ll play a pivotal role in building and refining tools for cryptocurrency trading and blockchain integration. You’ll develop algorithms, integrate with decentralized finance (DeFi) platforms, and optimize systems for performance. This is an exciting opportunity to apply your technical expertise in a high-impact role, with rewards tied to the team’s success in a dynamic market.

Key Responsibilities

• Build and deploy trading algorithms to seize opportunities in cryptocurrency markets, ensuring scalability and efficiency.
• Integrate trading systems with DeFi protocols, developing secure smart contracts to enable automated strategies.
• Optimize low-latency infrastructure to support high-frequency trading in volatile market conditions. Monitor and enhance existing tools, proactively identifying areas for improvement to maintain a competitive edge.
• Collaborate with team members to design robust solutions, sharing insights to drive innovation. Keep pace with blockchain advancements, ensuring our systems align with evolving DeFi standards and protocols.

Qualifications

Education:

• Bachelor’s, Master’s, or Ph.D. in a quantitative field such as Computer Science, Mathematics, Physics, Engineering, or Economics from a reputable institution.

Work Experience:

• 2-5 years in a related field.

Technical Skills:

• Strong programming skills in Python (required) and C++ or similar languages (preferred) in Linux-based environments.
• Experience with data structures, algorithms, and writing efficient, well-documented code. Knowledge of Solidity for smart contract development and familiarity with blockchain concepts (e.g., web3, decentralized networks).
• Comfort with APIs (e.g., REST, WebSocket) and cryptographic techniques for secure integrations. Blockchain & DeFi:
• Understanding of DeFi ecosystems, including protocols like Uniswap, Aave, or similar platforms. Ability to develop and audit smart contracts for reliability and security.

Mindset & Attributes:

• Curiosity and enthusiasm for cryptocurrencies, trading, and blockchain technology.
• Sharp analytical skills with a knack for solving complex technical challenges.
• Ability to thrive under pressure, adapting quickly to shifting priorities.
• Collaborative spirit, eager to contribute ideas and learn from others.
• Strong sense of ownership, delivering high-quality work with precision.

Nice-to-Haves

• Experience trading cryptocurrencies or working with financial markets.
• Familiarity with high-frequency trading systems or market data analysis.
• Exposure to tools like SQL, bash, or cloud-based DevOps workflows.
• Contributions to open-source blockchain projects or a portfolio of DeFi-related work.

🚀 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

Maintain an efficient CI/CD pipeline to help developers ship the software faster and safer in a structured environment. Build local environment tooling to enable the engineering team to build and test product features swiftly and safely. Work with the engineering team to get services deployed across different environments. Implement and optimize developer workflow to reduce friction and increase productivity. Providing recommendations for architecture and process improvements.

Team members in this role are required to be within commuting distance of our San Francisco, CA, Los Angeles, CA, New York, NY, or Seattle, WA hubs. 👋 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 Developer Tooling Engineer, you should have 5+ years of developer productivity or similar experience, helping build scalable systems that can handle millions of users, plus:

Bachelor’s degree in Computer Science, a related field, or equivalent work experience. Excellent developer experience instincts. You first think about engineer experience rather than the best technical solution. Previous experience at a hyper-growth startup. You’re a self-starter who can hit the ground running with little direction. Prior experience in a public cloud environment (AWS, GCP) using Kubernetes, Docker, and/or Terraform. Expert knowledge of various CI/CD workflows. Exceptional coding skills and the ability to ship lightning-fast. We primarily use Python and Elixir, but previous knowledge of each is not required. Excellent communication and writing skills.

💰Compensation For Full-Time (Salary) US-based applicants: $185,000 - $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 for 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

We expect all employees to actively use the product!

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:

Blockstream was founded in 2014 by Dr. Adam Back and a group of fellow cryptographers and engineers passionate about Bitcoin and its potential to change the future of finance. Focusing on building fundamental Bitcoin infrastructure, Blockstream quickly grew into one of the leading technology power houses of the industry. At Blockstream, we’re building solutions on Bitcoin that will disrupt the existing financial system. We imagine a world where individuals and businesses can easily access a global, permissionless system to secure their money, use it every day, and invest it or put it to work. In pursuit of our expansive vision, we’ve built a full stack of innovative products on top of the Bitcoin protocol, from layer-2 projects like Liquid and Core Lightning, to end-user software and hardware wallets like Green and Jade. Our brand stands for innovation in the Bitcoin community, and we’re growing our team to accelerate the future. Blockstream is looking for Software Engineers to work on our enterprise custody solution. You’ll design and maintain scalable end-to-end systems that serve APIs and SDKs, and work on everything from database architecture to cloud-based deployments.  What You’ll Be Doing (Responsibilities):

Design, develop, and maintain scalable end-to-end systems that serve APIs and SDKs. Full stack software development, from database architecture to cloud-based deployment. Optimize system performance and security to support high-availability applications. Collaborate with cross-functional teams, including front-end developers, product managers, and hardware engineers to deliver seamless solutions. Implement best practices in software development, including CI/CD, automated testing, and code reviews. Research and integrate emerging technologies to enhance security and system efficiency. Troubleshoot and resolve complex software issues in a fast-paced development environment. Mentor junior developers and contribute to team knowledge-sharing efforts.

What We Look For In You (Required Qualifications):

5+ years of experience in full-stack software development, with a focus on backend engineering. Proficiency in backend technologies such as C++, Python, Rust, Node.js or Java. Strong experience in designing and building RESTful APIs and SDKs. Hands-on experience with cloud platforms (AWS, Azure, GCP) and containerization (Docker, Kubernetes). Deep understanding of database technologies, including SQL (PostgreSQL, MySQL) and NoSQL (MongoDB, Redis). Familiarity with authentication and security best practices, including OAuth, JWT, encryption, and access control. Experience with CI/CD pipelines, automated testing, and DevOps tools. Strong problem-solving skills and ability to work independently or as part of a team. Excellent communication skills, with the ability to explain technical concepts to non-technical stakeholders.

Nice To Haves (Preferred Qualifications):

Experience with Bitcoin, blockchain technology, or cryptography. Open-source software development experience. Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field (or equivalent experience). Experience with system/software architecture.

Apply Now:

About us At Auros, we’re dedicated to advancing the cryptocurrency ecosystem through unparalleled liquidity and market-making services. We’re one of the largest participants in the market, trading across 10+ global locations, facilitating 3-4% of global daily volumes, and have connectivity to over 50 venues. What sets us apart, though, is our culture. We believe in hiring smart people and empowering them to do their best work. From day one you’ll have the autonomy and support to really excel. Our relentless focus on delivery drives us to continuously push boundaries and achieve exceptional results, all while offering abundant opportunities for personal and professional growth in the dynamic realm of digital assets. The Opportunity This is an opportunity to develop trading systems for crypto currencies in the rapidly evolving class of digital assets. You will work with our traders and other experienced developers on improving and adding to our core systems. These systems are predominantly written in python and C++. These systems have to process millions of transactions from dozens of different Cefi and Defi platforms around the world in dozens of currencies (fiat and crypto). The scale of this problem will present interesting technical challenges for you to work on, especially as we grow further as a company. Job Responsibilities

Develop trading system infrastructure in Python and C++ as directed Work with traders, middle office and other stakeholders to understand the core problems that each of the teams is facing, in both Cefi and Defi environments and design solutions Deploy trading system components into our production environment Be responsible for troubleshooting system issues as and when they occur Identify opportunities for system improvements Engage with the team during system design discussions, code reviews, trading idea brainstorms and daily office banter.

Who you are

A software engineer with 5+ years experience in developing clean, maintainable and performant code.  You have 3+ years experience developing in both python and C++ Good programming skills, with a strong understanding of data structures and algorithms You can find the balance between delivering clean, testable, reliable code and rapidly deploying new system features to take advantage of market opportunities You are reliable, take pride in delivering robust software and are willing to be on call to support the systems you develop You’re able to precisely articulate software concepts and designs You have a Bachelor's degree (or above) in Computer Science, Software Engineering or similar, with excellent results. A strong interest in finance and cryptocurrencies, and solving complicated puzzles that can arise in this line of business (Desirable skill)

What We Offer in Return

Opportunity to work at the forefront of the digital asset industry Remote and flexible work Autonomy and a flat structure means you can contribute your ideas from day one and help shape the foundation that will power our future business.

At Auros, we value nimbleness, drive for success, owner mentality, and collaboration. Join us in shaping the future of financial services across Asia and beyond!

Apply Now:

BitGo is the leading infrastructure provider of digital asset solutions, delivering custody, wallets, staking, trading, financing, and settlement services from regulated cold storage. Since our founding in 2013, we have focused on enabling our clients to securely navigate the digital asset space. With a global presence and multiple Trust companies, BitGo serves thousands of institutions, including many of the industry's top brands, exchanges, and platforms, and millions of retail investors worldwide. As the operational backbone of the digital economy, BitGo handles a significant portion of Bitcoin network transactions and is the largest independent digital asset custodian, and staking provider, in the world. For more information, visit www.bitgo.com.Responsibilities:

Deeply understand how developers use Node.js and TypeScript at BitGo to create optimal solutions and abstractions for their use cases, driving and evolving recommended practices. Design, build, and optimize scalable platform services and Node.js-based tooling to support BitGo’s high-performance custody, wallet, and financial services platforms. Provide and integrate the libraries, frameworks, and workflows that enable developers to build software efficiently within the BitGo ecosystem. Develop tools and workflows to improve engineering velocity, including deployment pipelines, testing frameworks, and service abstractions. Continuously improve operational excellence through a culture of learning and proactive investments in reliability and resiliency. Collaborate with cross-functional teams to establish and maintain standards for API design, platform performance, and overall system architecture.

Required:

Deep expertise in Node.js, npm, and TypeScript, with a focus on developing reliable backend systems. Strong experience designing and implementing RESTful APIs and familiarity with API lifecycle management. Strong testing and debugging skills. Proficient with Git, CI/CD tools, and agile development practices. Excellent problem-solving skills, algorithm design, and complexity analysis. Bachelor’s degree in computer science, mathematics, or a related technical field.

Preferred:

Experience with microservices and service-oriented architectures. Knowledge of containers and orchestration platforms (Docker, Kubernetes). Experience improving developer productivity through internal tooling or frameworks. Familiarity with event-driven architecture and experience with event streaming platforms like Kafka. Ability to create clarity and drive alignment across stakeholder groups. A curious and proactive learner.

Why Join BitGo? Disrupting an industry takes vision, innovation, passion, technical chops, drive to deliver, collaboration, and execution. Join a team of great people who strive for excellence and personify our corporate values of ownership, craftsmanship, and open communication. We are looking for new colleagues who bring innovative ways of thinking and problem solving, and who want risks to be part of the team that changes the world's financial markets. Here are some of the benefits* of working at BitGo:

Competitive base salary, bonus and stock options 100% company paid health insurance for employee, partner and dependents Paid parental leave, Paid vacation Computer equipment and workplace furniture to suit your needs Great colleagues and inspiring startup environment *Benefits may vary based on location 

Cryptocurrencies are the most disruptive change the financial services industry has seen in years. Join us and you'll be able to look back and say you were part of the team that transformed investing. This role will require being full-time onsite at our Toronto office to support collaborative team dynamics and innovative problem-solving.

Apply Now:

BitGo is the leading infrastructure provider of digital asset solutions, delivering custody, wallets, staking, trading, financing, and settlement services from regulated cold storage. Since our founding in 2013, we have focused on enabling our clients to securely navigate the digital asset space. With a global presence and multiple Trust companies, BitGo serves thousands of institutions, including many of the industry's top brands, exchanges, and platforms, and millions of retail investors worldwide. As the operational backbone of the digital economy, BitGo handles a significant portion of Bitcoin network transactions and is the largest independent digital asset custodian, and staking provider, in the world. For more information, visit www.bitgo.com.This role will require being full-time onsite at our San Francisco office to support collaborative team dynamics and innovative problem-solving. BitGo is looking for a Senior Software Engineer to join our Retail team and help us build an API-first platform for businesses and developers to launch crypto products. Responsibilities:

Design and build scalable, well abstracted, and robust APIs, libraries, and services to empower our API-first platform Own functionality and scalability features by taking responsibility from inception to deployment and customer integration Expose and document functionality to the UI, third-party developers, and our internal and external tooling Collaborate with cross-functional teams to define, design, and ship new features Write clean, maintainable, and efficient code Ensure the performance, quality, and responsiveness of applications Identify and correct bottlenecks and fix bugs Continuously discover, evaluate, and implement new technologies to maximize development efficiency Participate in code reviews and contribute to a culture of continuous improvement Work closely with product managers, designers, and other engineers to understand and refine product requirements Provide mentorship to your peers in the broader engineering team through code reviews and education on best practices

Skills & Experience:  We are looking for teammates who share and practice our values: open communication, transparency, taking ownership, and a high level of craftsmanship. We are looking for coworkers who share our vision and mission: deliver trust in digital assets.  Required

At least 6 years of proven experience of back-end and server-side development Great at algorithm design, problem solving, and complexity analysis Strong experience with of TypeScript, Node.js and Express Strong experience with Node.js, TypeScript, PostgreSQL and MongoDB Strong experience with RESTful API design Experience with microservices and service-oriented architectures Experience with unit and functional testing and debugging Experience in Git/GitHub and branching methodologies, code review tools, CI tools, etc. Ability to move quickly and adjust course as needed in a fast-paced environment Bachelor’s degree in computer science, applied mathematics, or another technical discipline from a top university Understanding of and strong interest in cryptocurrencies and blockchain

Preferred

Experience developing consumer-facing crypto products Proven experience building public-facing APIs in a production environment Ability to work full-stack and familiarity with React  Experience working with clients and/or business partners Familiarity with any of the following: digital wallets, clearing and settlement, lending, trading, accounting systems, etc

Why Join BitGo? Disrupting an industry takes vision, innovation, passion, technical chops, drive to deliver, collaboration, and execution. Join a team of great people who strive for excellence and personify our corporate values of ownership, craftsmanship, and open communication. We are looking for new colleagues who bring innovative ways of thinking and problem solving, and who want risks to be part of the team that changes the world’s financial markets. Pay Transparency Notice: Depending upon your leveling and location, the compensation for this role averages between $165,000 - $210,000 USD base salary. Equity, an annual performance bonus and the benefits outlined below are also a part of this role's package.  Here are some of the benefits* of working at BitGo:

Competitive base salary, bonus and stock options 100% company paid health insurance for employee, partner and dependents Up to 4% 401k company match Paid parental leave, Paid vacation Free commuter/parking pass; 5 min from Caltrain Free custom lunches, dinners and snacks  Computer equipment and workplace furniture to suit your needs Great colleagues and inspiring startup environment

*Benefits may vary based on location  Cryptocurrencies are the most disruptive change the financial services industry has seen in years. Join us and you’ll be able to look back and say you were part of the team that transformed investing.

Apply Now:

Apply Now:

Apply Now:

🚀 Whatnot

Whatnot is a livestream shopping platform and marketplace backed by Andreessen Horowitz, Y Combinator, and CapitalG. We’re building the future of ecommerce, bringing together community, shopping and entertainment. We are committed to our values, and as a remote-first team, we operate out of hubs within the US, Canada, UK, Ireland, and Germany today.

We’re innovating in the fast-paced world of live auctions in categories including sports, fashion, video games, and streetwear. The platform couples rigorous seller vetting with a focus on community to create a welcoming space for buyers and sellers to share their passions with others.

And, we’re growing. Whatnot has been the fastest growing marketplace in the US over the past two years and we’re hiring forward-thinking problem solvers across all functional areas.

💻 Role

• Growth engineers at Whatnot are responsible for expanding our new user funnel across buyers and sellers to accelerate the rapid growth of our marketplace. We focus on the full funnel, developing opportunities to grow traffic across multiple channels while also creating delightful new user experiences to activate and retain buyers and sellers for the long term.
• In this role, you will build out our core Incentivized buyer growth strategy, including gamified incentives and offer experiences to continue to accelerate Whatnot’s rapid growth. As a lead engineer, you will design and implement our core incentive management system from the ground up.
• You will have big ownership and velocity in order to significantly impact the company top-line metrics. We always prioritize the highest impact features and ship them quickly. You will have a lot of freedom to research and find new opportunities to drive the product direction.

👋 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 Senior Software Engineer in Growth you should have 3+ years of software development experience, plus:

• Experience building E-commerce products.
• A bachelor’s degree in Computer Science, a related field, or equivalent work experience.
• Experience building scalable systems (we primarily use Python, Elixir, JavaScript).
• Excellent product instincts. You first think about users rather than the best technical solution.
• Proven track record of delivering user-facing features. You are known for shipping products and features lightning-fast.
• Experience working across the stack is nice to have, but not required!
• Good communication skills in both written and verbal English.

💛 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: