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

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

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

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

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

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

Apply Now:

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Intetics Inc., a leading American technology company specializing in custom software development and digital solutions, is looking for a Backend Developer to help build a cutting-edge blockchain DEX platform.

Responsibilities:

• Develop and maintain the backend for a decentralized exchange (DEX) platform
• Write and optimize smart contracts for Ethereum, Polygon, or BNB (any EVM-based blockchain)
• Ensure high performance, security, and scalability of blockchain-based applications
• Collaborate with frontend and blockchain engineers

• Experience with Solidity, Rust, or Golang
• Hands-on experience with EVM-based blockchains (Ethereum, Polygon, BNB, etc.)
• Understanding of DeFi protocols and DEX mechanisms
• Strong problem-solving and analytical skills

Apply Now:

Interested in working on cutting-edge blockchain technology and creating equitable access to the global financial system? Since 2014, the mission-driven team at the Stellar Development Foundation (SDF) has helped fuel the tremendous growth of the Stellar blockchain network, an open-source platform that operates at high-scale today. Developers and companies around the world build on it, and the SDF team is expanding to support the rapidly growing and changing Stellar ecosystem. As a member of the Stellar Labs team, you'll have the opportunity to push the boundaries of blockchain performance. We are tackling hard systems problems across the stack, including databases, secure runtimes, distributed systems, and consensus protocols. In this role, you will: 

Design and build scalable, high-performance systems. Work in a fast-paced, startup-like environment. Write clean, maintainable code with an emphasis on simplicity, testing, and benchmarking. Own core subsystems and help the team hit critical product milestones. Collaborate with the team on code review and design, and contribute to best practices. Author detailed technical feature and protocol (RFC) specifications. Contribute to open-source software

Qualifications:

Experience developing reliable and easy to understand software on a team. A track record of building and maintaining large systems in modern C++ or Rust. An understanding of low-level details and the ability to write high-performance code. Enthusiasm about working on a small, growing team where you'll be given a lot of autonomy. You're open, empathetic, and care about putting the best ideas forward in a collaborative and helpful manner.

Nice to have: 

A BS, MS, or PhD in Computer Science or equivalent field. Experience in a computer systems research area such as computer networks, distributed systems, databases, or operating systems is especially encouraged. You have created or contributed to a project in the open source community.

We offer competitive pay with a base salary range for this position of $180,000 - $230,000 depending on job-related knowledge, skills, experience, and location. In addition, we offer token-denominated grants along with the following perks and benefits: USA Benefits/Perks:

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

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

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Solana Foundation is looking to hire a Developer Advocate - Education to join their team. This is a full-time position that can be done remotely anywhere in the United States.

Solana Foundation - A non-profit organization dedicated to the decentralization, growth, and security of the Solana network.

Company Description

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

The Opportunity

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

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

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

Open Positions

Smart Contract Specialists (9 Total)

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

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

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

Web3 Full-Stack Developers (2 Total)

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

AI Agent Engineers (4 Total)

• 2 Python-based AI Agents (LangChain)

• 2 TypeScript-based AI Agents (ElizaOS)

Machine Learning Developers (2 Total)

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

Frontend Developers (2 Total)

• Vanilla CSS, HTML, TypeScript, modular code

Stack-Specific Tooling

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

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

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

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

Role Description

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

• Developing and securing blockchain solutions across multiple chains.

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

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

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

Qualifications

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

• Cryptography & Decentralized Identity (DID) solutions experience.

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

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

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

Why Join?

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

Apply Now:

About Oak Security

​​Do you want to help prevent cybersecurity attacks of the future? At Oak Security, we support some of the most innovative companies to secure their protocols. Our passionate team of 52 security engineers have performed over 600 audits since 2017.

Oak Security was one of the first companies to offer auditing and security consulting for third-generation blockchains and is the leading security service provider in Rust and Go-based ecosystems, such as Cosmos SDK and CosmWasm, Polkadot and Substrate, Solana, NEAR, and Flow (Cadence). We also serve Ethereum and EVM-compatible ecosystems through our brand Solidified.

We are growing our pool of security engineers for blockchain and smart contract security audits. Get a chance to work in the most exciting and fastest-growing ecosystems in the blockchain space and help secure the decentralized future!

What we offer:

• Escape the 9 to 5 lifestyle: We offer the most flexible remote working conditions imaginable, in a friendly team environment
• Top of the industry compensation
• Competitive incentive and referral programs
• A growing base of exciting clients at the forefront of the top blockchain ecosystems

What you can work on:

• High-level security consulting/architecture reviews
• Smart contract audits (Solidity, CosmWasm, ink!, Cadence, Cairo)
• Layer 1 audits (Cosmos SDK, Substrate/Polkadot, consensus level)
• Bridge audits (custodial, light-client-based, zk-based)
• Code reviews in various programming languages (Go, Rust, Solidity, Cadence, Cairo, JavaScript, TypeScript)

What we expect from you:

• 2+ years of Rust/Go experience or 4+ years of Solidity experience with a passion for finding issues in code and an outstanding detail orientation
• Knowledge of cryptographic protocols and understanding of cybersecurity
• Deep interest in blockchain technology and decentralization
• Experience in decentralized finance and economic modeling is a plus

About Us:

Khantech is an IT startup dedicated to redefining the iGaming experience with cutting-edge technology and creative solutions. We are a team of Engineers, Designers, and gaming enthusiasts working remotely within Europe and Asia or in-house in our UAE/Dubai premises. 

About the product:

https://www.vatanplatform.com

We are looking for a highly skilled Full Stack Blockchain Developer to join our team. The ideal candidate will be proficient in both blockchain development and full-stack web development. You will be responsible for developing decentralized applications (dApps), smart contracts, and the backend and frontend of blockchain-based systems.

Job Responsibilities:

• Design, develop, and deploy smart contracts and decentralized applications (dApps) on various blockchain platforms (Ethereum, Binance Smart Chain, etc.).

• Build and maintain front-end interfaces using modern web technologies (React, Angular, Vue.js, etc.).

• Integrate front-end with back-end APIs, databases, and blockchain solutions.

• Develop and implement secure, scalable, and efficient blockchain-based systems.

• Troubleshoot, debug, and optimize blockchain applications and smart contracts.

• Collaborate with cross-functional teams including product managers, designers, and other developers to define and implement new features.

• Stay up-to-date with emerging trends and technologies in blockchain, DeFi, and Web3.

• Ensure compliance with security protocols and best practices.

• Contribute to codebase and manage version control using Git.

Key requirements:

• 3+ years of experience in full-stack development.

• Strong knowledge of cryptographic principles and blockchain architecture.

• Proficient in web technologies (HTML5, CSS3, JavaScript, TypeScript).

• Experience with databases (SQL and NoSQL).

• Knowledge of version control systems like Git.

• Experience with testing frameworks for smart contracts (Truffle, Hardhat, etc.).

• Familiarity with deploying applications on cloud platforms (AWS, GCP, etc.).

• Proven experience working with blockchain technologies (Ethereum, Solana, Binance Smart Chain, etc.).

• Hands-on experience with smart contract development (Solidity, Rust, Vyper, etc.).

• Experience building decentralized applications (dApps) and integrating them with blockchain networks.

• Familiarity with Web3.js, Ethers.js, or similar JavaScript libraries for blockchain interaction.

• Experience with backend development frameworks like Node.js, Express, Django, or Flask.

• Proficiency in front-end technologies such as React.js, Vue.js, or Angular.

Expected Soft skills (3-5 the most important attributes)

• Strong problem-solving and analytical skills.

• Excellent communication and teamwork skills.

• Ability to quickly learn new technologies and adapt to changing environments.

Benefits:

• 🚀Competitive Salary

• 📚Comprehensive Training and Career Development through our talent management program

• 🌐Fully remote or Comfortable office in Dubai, OAE/Erevan, Armenia

• 🏖️Generous Paid Vacation

Apply Now:

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

The Role: Innovating at the Intersection of AI and DeFi

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

What Will You Be Doing?

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

Requirements:

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

What We Offer:

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

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

About Us

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

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

Role

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

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

Job Type: Full-time

Responsibilities

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

What we are looking for

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

Our Offer

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

Apply Now:

Apply Now:

What are we all about? We are a team of builders and researchers on a mission to empower enterprises and developers worldwide to access and build on decentralized systems. Our expertise covers several domains: Ethereum and Starknet protocol engineering, layer-2, AI, cryptography research, protocol research, decentralized finance (DeFi), security auditing, formal verification, real-time monitoring, smart contract development, and dapps and enterprise engineering. Working to solve some of the most challenging problems in the blockchain space, we frequently collaborate with renowned companies, such as Ethereum Foundation, Starknet Foundation, Gnosis Chain, Flashbots, Forta Protocol, Lido, EigenLayer, Open Zeppelin, RISCZero, Aleph Zero, and many more. Today, we are a 350+ strong team working remotely across 66+ countries. View all our open positions here: https://www.nethermind.io/open-roles The Nethermind team is seeking a experience Software engineer with a background in confidential computing. We offer a unique opportunity to work on a variety of diverse projects where strong experience, knowledge and understanding of secure computing platforms is a must. The candidate will be working cross-functionally across the company partnering with our product teams to implement solutions in secure environments in a broad array of applications of use cases from AI through to Finance. The role requires a balance of technical expertise, research mindset, as well as practical engineering skills to take innovative ideas into production. How to Know If You're the Right Fit If you're driven by complex challenges and excited by the prospect of working with cutting-edge technologies, this role is for you. We're looking for individuals who are not just engineers but innovators—those who are eager to collaborate with the best minds in the industry and make a significant impact on the future of technology. Why This Role Is Exciting

Work with the Best: Collaborate with some of the brightest engineers and researchers in the industry. Innovative Challenges: Tackle projects that require deep algorithmic thinking and advanced design. Impactful Work: Contribute directly to the development of technologies that push the boundaries of what's possible. Collaborative Environment: Partner with leading developers and researchers shaping the future of decentralized technologies.

Responsibilities:

Collaborating with engineers across the company on all stages of projects, through design, implementation and testing. Partnering with teams across the company from Product through to Engineering to apply your skills to solutions integrating confidential computing. Contribute to product documentation. Maintain, test and release new and existing confidential compute infrastructure.

Skills:

Experienced shipping new products all the way through the product stack. Proficiency with developing in C++. Experience with Rust or JavaScript. Knowledge of Trusted Execution Environments (e.g. SGX, TDX, TrustZone, NVIDIA Confidential Compute). Familiarity with web protocols (HTTP, QUIC). Understanding of the CI/CD developer pipeline and tools (Github, VSCode, Linux).

Nice to have:

Understanding of distributed consensus algorithms and cryptography concepts (e.g. Zero-Knowledge). You can think independently, with drive and initiative, even when challenged and under pressure. You can communicate complex concepts and ideas to a broad array of audiences. You have a strong interest in distributed systems, privacy technologies, blockchains and cryptocurrencies. Disclaimer: I hereby consent to my personal information being stored and processed by Demerzel Solutions Limited (t/a Nethermind) (the “Company”) for recruitment purposes in relation to both the selected job role and any other role the Company considers me a qualified candidate for. All data storing and processing by the Company takes place in accordance with the UK GDPR. Kindly refer to our privacy policy for more details. Your consent to share personal information is entirely voluntary, and you may withdraw your consent at any time. Should you have any questions about this process, or wish to withdraw your consent please contact: email Keep up to date on what we are working on by following us on our social channels       Click here to view our Privacy Policy.

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Join Ephemera, build the future of onchain messaging.

We are currently hiring a Staff level Distributed Systems Engineer.

What you’ll be working on:

• Designing, building, and maintaining highly reliable, scalable, and secure distributed systems.

• Engage in open-source communities, representing Ephemera effectively in public forums.

• Contributing to the xmtpd project, the new decentralized backend for the XMTP network

Your experience:

• Minimum of 7-10+ years of professional experience as a software engineer.

• Experience designing, building, and operating distributed, fault-tolerant systems.

• Proficiency in Golang and/or Rust is strongly preferred..

• Prior involvement in open-source projects and public communications.

• Interest or experience in Web3 technologies.

Nice-to-Have’s:

• Experience with streaming or real-time data systems.

• Experience contributing to a Layer 1 or Layer 2 blockchain.

• Knowledge of messaging systems and protocols.

About you:

• You are passionate about decentralized technology and believe in an onchain future.

• You love to win and are fueled by solving hard problems.

• You are self-directed, see opportunities and are inspired by challenges and helping solve them.

• You have a small team mindset and are focused on where you can have the greatest impact.

• You love to learn, are not afraid of changing your opinion or being wrong.

Benefits:

• Generous and competitive compensation package.

• Salary range between $200k-$250k base range (depending on experience + location).

• Remote-first environment with semi-yearly gatherings to connect IRL.

• Fully paid Medical, Dental, Vision insurance.

• Parental Leave.

• IT Equipment and WFH setup.

• Monthly Wellness and Life>

• Personal assistant.

• Unlimited Time Off

Culture:

Ephemera isn’t for those merely exploring or curious about Web3, or those needing daily direction. It’s for the committed—those devoted to decentralized technology and an onchain future, with a championship mindset, ready to win alongside the best.

Our shared belief fuels our success, and our values steer our decisions. Our culture guide is a transparent look into how we operate.

This is a different type of company. Both in how we work and what we work on. We intentionally try to keep our team small and focus on working with the best people in the world. We are looking for people who can show the incredible things they have worked on and have built and worked on similar technology before. Not because we want to limit who can work here, but because to build something as impactful as XMTP, it requires insanely specific skills and knowledge from the team working here.

Apply Now:

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

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

  Preferred Qualifications:  

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

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

Apply Now:

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

Key Responsibilities

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

Qualifications

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

What We Offer

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

How to Apply

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

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

Who We Are

The Solana Foundation is a non-profit based in Zug, Switzerland, dedicated to the adoption, decentralization, and security of the Solana network. Solana is a high performance blockchain that can deliver a fast and friendly user experience, without sacrificing security. The Solana Foundation is working to realize a world where individuals own their data, use permissionless networks, and transfer information and value freely around the world. We are looking for talented people who are willing to jump right in and use their expertise to help the ecosystem build.

The Opportunity

Solana Foundation is seeking a highly driven full-time Developer Advocate to join our Developer Relations team. The ideal candidate is a highly organized, service-oriented, and business-minded individual who is passionate about making a meaningful impact on our educational resources. You will help us with scaling education across the world, work with educational partners on course offerings, and execute new coursework with universities to further achieve our educational growth goals.

To be successful in this role

You will:

• Drive educational efforts across the world both with developer educators, companies, and partners

• Coordinate with universities to ensure they have the best Solana education offered

• Improve coursework and resources used for teaching Solana

• Oversee education grant programs and ecosystem funding

• Develop and execute educational initiatives and events

You ideally have: 

• 3+ years professional technical experience in (or exposure to) one or more of the following: Rust, C, C++, TypeScript

• A passion for educating developers on blockchain

• Bachelor of Science degree in Computer Science or Computer Engineering and 3+ years of experience as a professional software developer or evangelist

Bonus points:

• Has contributed to open source projects

• Solana/Ethereum/Blockchain related open source projects is a major bonus as well

• History of speaking at conferences or giving workshops

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

Position Overview

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

Our Tech Stack

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

Key Responsibilities

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

Job requirements

What we are looking for:

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

Our Offer

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

About Codex

We’re a diverse team of experienced researchers and engineers scattered around the world working at the intersection of P2P networks and bleeding-edge Zero Knowledge technology. We’re building the next generation storage engine that attempts to “untie the knot” of incentivized storage. Our goal is to deliver a more advanced decentralized storage protocol that pushes the state of the art of decentralized storage solutions forward.

We’re looking for an experienced P2P Networking Protocol Engineer with hands-on experience designing and implementing state of the art networking protocols and distributed systems.

https://codex.storage/

Key responsibilities

• Design, implement and maintain state of the art p2p protocols and decentralized storage solutions
• Coordinate with the ongoing testing efforts to identify and eliminate instabilities in the existing codebase and bring it to production levels quality
• Implement and design new features as part of roadmap milestones

You ideally will have

• Strong academic or engineering background (PhD-level or equivalent in industry); relevant research experience
• Experience with low level libp2p primitives
• Experience with low level/strongly typed languages (C/C++/Go/Rust or Java/C#)
• Experience with Open Source software
• Keen communicator, eager to share your work in a wide variety of contexts, like internal and public presentations, blog posts and academic papers
• Strong networking (P2P systems) background
• Good debugging skills
• Good at explaining a complicated issue at varying levels of complexity for others to understand
• A strong alignment to our principles

Bonus points if

• Familiarity with the Nim programming language
• Familiarity with zero-knowledge proofs and other ZK-technology
• Familiarity with advanced cryptographic hashing functions

[Don’t worry if you don’t meet all of these criteria, we’d still love to hear from you anyway if you think you’d be a great fit for this role. Just explain to us why in your cover letter]

Hiring Process

• Interview with People Ops team
• Interview with Codex team member
• Pair Programming Task
• Interview with Codex Program Lead

Compensation

We are happy to pay in any mix of fiat/crypto.

Apply Now:

About us

Flashbots started in 2020 as a research and development organization formed to mitigate the negative externalities and existential risks posed by Maximal Extractable Value (MEV). Since then, we have had an immense impact on the world of crypto through mev-geth, Flashbots Protect, MEV-Boost, MEV-Share, our open research and soon-to-be SUAVE.

Our mission is clear: illuminate, democratize and distribute.

We seek to ensure that the value created on decentralized, public blockchains is transparent and distributed. We do this by conducting cutting-edge research, building mission-critical products, and coordinating a diverse community with competing interests.

Our vibe is irreverent, anarchic, excellent, autonomous. We’re explorers, hackers, builders, thinkers. We are relaxed, composed, and at ease in the world, but beneath our suave exterior, we do not have the time or inclination to be anything but the best.

About the role:

Flashbots is on the hunt for seasoned, self-starter Backend Engineers who thrive in rapidly evolving environments, learn new technologies on the fly, and tackle complex problems with a builder mentality.

Responsibilities:

• Contribute actively to the development of Flashbots’ core products such as our Block Builder, MEV-Share and our future offerings.
• Create and manage comprehensive technical documentation/diagrams for public use, fostering an understanding and accessibility of our products.
• Develop and maintain public API services and user-friendly tools to support the Flashbots ecosystem, including searchers, integration partners, and end-users.
• Implement robust tests to ensure the quality and stability of our offerings.
• Engage positively with our community, addressing their technical issues and fostering a collaborative environment.

Qualifications:

• 5+ years of experience in production systems, skilled in Rust or Go.
• Experience building scalable services, ideally in the Ethereum space
• Ability to contribute effectively in an asynchronous work environment, both as part of a team and working autonomously.
• Adaptable, accountable, and solution-oriented, with a focus on delivering high-impact solutions.
• T-Shaped skills, showcasing both depth of knowledge in a specific area and breadth of knowledge across multiple areas.

Nice-to-haves

• Deep familiarity with the Ethereum ecosystem and MEV supply chain
• Experience working across the Ethereum stack (e.g., working with Ethereum clients like Lighthouse, Prysm, Geth or Reth, smart contract programming, etc.)
• Contributed to open-source projects

Details that matter

• Significantly above market rate equity compensation package
• Unlimited PTO with a high level of freedom and autonomy for your work
• Attractive health coverage package for US employees
• $3000 Yearly budget for your individual learning and development goals
• Work alongside the brightest minds in the crypto space
• Help save the world by ensuring crypto remains decentralized, permissionless and censorship-resistant
• Remote working - work from anywhere in the world
• Paid travel - 2 x team on-site in different parts of the world per year plus periodic travel to events

At Flashbots, we are committed to building a diverse and inclusive team. We welcome applications from all qualified candidates regardless of gender, race, ethnicity, religion, sexual orientation, age, or disability status.

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

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

About you

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

Pay and benefits

Apply Now:

Apply Now:

What are we all about?

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

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

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

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

About

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

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

Responsibilities:

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

You Have:

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

Nice to have:

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

Perks and benefits:

• Fully remote
• Flexible working hours
• Plus equity

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

• Discord
• LinkedIn
• Twitter

What are we all about?

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

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

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

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

*How to Know If You’re the Right Fit

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

Why This Role Is Exciting

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

What You’ll Be Doing

1. Fullstack Wizardry

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

2. Deep System & Algorithmic Design

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

3. Leadership & Collaboration

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

4. Continuous Improvement

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

What We’re Looking For

1. Proven Experience

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

2. Technical Chops

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

3. Mindset & Soft Skills

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

Bonus Points For

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

What’s in It for You

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

Ready to Raise the Bar?

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

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

• Discord
• LinkedIn
• Twitter

Apply Now:

GK8 is looking for a talented and experienced C++ Team Leader to join our innovative development team. In this role, you will play a key part in leading and mentoring a team of developers while designing and implementing the core infrastructure of our cutting-edge products. You will ensure high performance, reliability, and scalability, and contribute to the improvement and evolution of our product suite.

Responsibilities

• Lead and mentor a team of C++ developers to achieve technical excellence
• Develop and maintain the company’s products’ core infrastructure
• Design, implement, and optimize efficient and reliable C++ code
• Suggest and implement improvements for both current and future products
• Collaborate with other team leaders and stakeholders to align goals and strategies

• Bachelor’s degree in Computer Science, Mathematics, or a related field – mandatory
• At least 4 years of experience in modern C++ (version 11 or higher) – mandatory
• At least 1 year of experience in team management – mandatory
• Knowledge of Rust – advantage
• Experience in developing cybersecurity products – advantage
• Knowledge in cryptography – advantage
• Familiarity with popular blockchain protocols – advantage

• Competitive base salary and discretionary bonus
• Company-paid health and protective benefits for employees and their eligible dependents
• Free virtual coaching and counseling sessions
• Opportunities to learn about the Crypto industry
• Smart, entrepreneurial, and fun colleagues
• Employee Resource Groups

*Benefits may vary depending on location

Apply Now:

Description

GK8 is looking for a talented and experienced Senior C++ Developer to join our innovative development team in London. In this role, you will design, develop, and optimize the core infrastructure of our cutting-edge products. You will be instrumental in ensuring high performance, reliability, and scalability, while collaborating with team members and stakeholders to shape the evolution of our product suite.

Responsibilities

• Design, implement, and maintain the core infrastructure of the company's products using modern C++.
• Write efficient, reliable, and scalable code.
• Identify and implement improvements for both current and future products.
• Collaborate with other developers, team leaders, and stakeholders to align development efforts with strategic goals.
• Stay updated with the latest technologies and integrate relevant advancements into our solutions.

• Bachelor’s degree in Computer Science, Mathematics, or a related field – mandatory.
• At least 4 years of experience in modern C++ (version 11 or higher) – mandatory.
• Strong problem-solving skills and the ability to work on complex and technical challenges independently.
• Knowledge of Rust – advantage.
• Experience in developing cybersecurity products – advantage.
• Knowledge in cryptography – advantage.
• Familiarity with popular blockchain protocols – advantage.

• Competitive base salary and discretionary bonus
• Company-paid health and protective benefits for employees and their eligible dependents
• Free virtual coaching and counseling sessions
• Opportunities to learn about the Crypto industry
• Smart, entrepreneurial, and fun colleagues
• Employee Resource Groups

*Benefits may vary depending on location

Apply Now:

About Vac

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

The role

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

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

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

Key responsibilities

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

You ideally will have

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

Bonus points

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

Hiring process

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

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

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

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

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

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

You will be responsible for:

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

Requirements:

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

General Skills:

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

Additional Requirements:

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

What we offer:

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

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

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

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

Apply Now:

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

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

You have:

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

Bonus points:

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

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

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

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

Apply Now:

About Us 

Chainlink Labs is the primary contributing developer of Chainlink, the decentralized computing platform powering the verifiable web. Chainlink is the industry-standard platform for providing access to real-world data, offchain computation, and secure cross-chain interoperability across any blockchain. Chainlink Labs helps power verifiable applications for banking, DeFi, global trade, and gaming by collaborating with some of the world’s largest financial institutions, notably Swift, DTCC, and ANZ. Chainlink Labs also works with top Web3 teams, including Aave, Compound, GMX, Maker, and Synthetix. Chainlink Labs was ranked in Newsweek’s 100 Most Loved Workplaces 2023 in both the United States and United Kingdom.

The Engineering Team

At Chainlink Labs, our engineering team pushes the scale and capabilities of decentralized applications across the industry. The Chainlink Network holds >70% market share in the oracle space, solving real-world problems by enabling smart contracts to securely interact with off-chain data/computation.

We value talented and driven craftsmen who work collaboratively to tackle complex challenges, deliver product impact, and grow as builders. Join us and shape the future of blockchain technology and decentralized finance. 

Chainlink Labs seeks to power smart contracts on all blockchain ecosystems. We believe in a multi-blockchain universe, where users are able to leverage the strengths of different blockchains for their particular needs.

As a software engineer on the Blockchain Integrations team, you will own the integrations of upcoming blockchains into the Chainlink platform, working directly and building relations with the founding engineers while gaining expertise in each new innovative ecosystem. You will be the driving force behind building this critical infrastructure for cross-chain connectivity while working with a globally distributed team. You will report to the engineering lead on the team.

Your Impact:

• Own the end to end integration of Chainlink products including CCIP and Data Streams to new cutting edge blockchains to enable exponential growth of the network

• Lead viability research to assess compatibility and coordinate integration through chain-specific node development, token bridging, deployments, monitoring, tooling, and testing

• Work collaboratively with industry leaders, developers, users, and the web 3 community

• Work closely with node operators to connect their Chainlink nodes to new blockchains

• Support components and service layers to sustainability scale and support integrated blockchains

• Collaborate cross functionally to improve the efficiency and efficacy of the integration process 

Requirements:

• 5-8+ years of experience working in software development

• Excitement for blockchain, web3, and similar decentralized technologies

• Professional engineering experience working in a collaborative, product-driven environment

• Experience owning the communication of project progress, dependencies, and risk mitigation directly with stakeholders and partners

• Proficiency in Computer Science fundamentals 

• Proactive, creative, and resourceful when tackling ambiguous technical challenges

• Comfort in a remote role as a part of a distributed team located across multiple time zones

Desired Qualifications:

• Experience with Golang

• Familiarity with: Rust, TypeScript, Solidity, Postgres, Terraform, AWS

• Experience in blockchain and other Web 3.0 technologies, as a web3 developer and/or as a backend service developer

• Experience in designing and building distributed systems

• Experience contributing to the open source community

Our Stack:

Golang, TypeScript, AWS

#LI-DA1

All roles with Chainlink Labs are global and remote-based. Unless otherwise stated, we ask that you try to overlap some working hours with Eastern Standard Time (EST).

Commitment to Equal Opportunity

Chainlink Labs is an equal opportunity employer. All qualified applicants will receive equal consideration for employment in compliance with applicable laws, regulations, or ordinances. If you need assistance or accommodation due to a disability or special need when applying for a role or in our recruitment process, please contact us via this form.

Global Data Privacy Notice for Job Candidates and Applicants

Information collected and processed as part of your Chainlink Labs Careers profile, and any job applications you choose to submit is subject to our Privacy Policy. By submitting your application, you are agreeing to our use and processing of your data as required.

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Pond is pioneering blockchain’s foundational models by leveraging graph deep learning to predict on-chain behaviors and accelerate the development of AI-powered, crypto-native applications. Its solutions target key sectors including DeFi, social networks, trading, MEV, and security, utilizing an innovative, decentralized AI development process.

The technical team brings extensive expertise from leading graph AI companies such as WeChat, TigerGraph, and Yuga Labs. With a remarkable track record of over 40 publications in prestigious journals and conferences—such as IEEE, Nature, Harvard Business Review, ICML, NeurIPS, CVPR, and PNAS—the team is at the forefront of cutting-edge AI research and application.

Our $7.5M seed round is led by Archetype, with participation from Cyber Fund (Lido founder’s fund, which rarely invests directly, backed Solana pre-seed and Ethereum pre-ICO), Coinbase Ventures, Delphi Digital and Anagram (the fund of Solana’s president and former president of Polychain).

We have a 30+ wide range of angels in DeFi, MEV, social, security, and more including the co-founder of Near, the co-founder of ENS, CTO of Exo Labs, co-founders of Plume Network, COO of Matrixport, the Head of Market Research of Flashbots, the founder of Mamori, the founder of SEDA, former GP of Variant—Spencer Noon, the founder of Zerion, the founder of Nuffle, the founder of OpenGradient, and others.

For more:

• Website
• Twitter

The role:

We are seeking a skilled and passionate Smart Contract Engineer to join our innovative blockchain team. The ideal candidate will have proven experience in developing and deploying smart contracts and be deeply familiar with blockchain technologies. As a Blockchain Smart Contract Engineer, your main task is to develop, test, and maintain smart contracts on different blockchains according to business needs.

Key Responsibilities:

• Design, develop, test, and deploy smart contracts on blockchain platforms such as Ethereum, Base, or Solana.
• Collaborate with the development team to create and implement decentralized applications (DApps).
• Write high-quality, secure, and sustainable code for blockchain applications.
• Perform code reviews and provide constructive feedback to peers.
• Maintain and optimize existing blockchain applications and smart contracts.
• Work closely with project managers and other stakeholders to define and achieve project goals.
• Stay updated with the latest blockchain technologies and cryptographic methods.
• Contribute to the architecture and design decisions for blockchain systems.

Required Skills and Qualifications:

• Bachelor’s degree in Computer Science, Engineering, or a related field.
• 2+ years of experience in blockchain development.
• Strong proficiency in Solidity and other smart contract languages.
• Experience with blockchain development frameworks and tools (e.g., Truffle, Hardhat, Remix).
• Understanding of consensus algorithms and blockchain protocols.
• Knowledge of front-end technologies (e.g., HTML, CSS, JavaScript) for DApp integration.
• Experience with version control systems, preferably Git.
• Excellent problem-solving skills and ability to work under pressure.

Preferred Skills:

• Familiar with Solidity language, and preferably have some understanding of Rust.
• Familiarity with off-chain storage solutions and integrations (IPFS, The Graph).
• Understanding of Layer 2 scaling solutions (e.g., Optimism, Arbitrum).
• Contributions to open-source blockchain projects.
• Prior experience in a fintech environment.

At Matter Labs, we believe freedom drives progress and prosperity. We don’t see ourselves as a company, but as a team aligned around a single mission: to advance personal freedom for all (see ZK Credo).

To achieve this goal, we’re building zkSync — a credibly neutral, fully open source technology stack and network on top of Ethereum, which is owned and governed by its community. We use advanced cryptography called zero-knowledge proofs to scale Ethereum infinitely without compromising on security or decentralization. With a world-class team, a community of over 1M supporters across Twitter + Discord, and hundreds of millions $ in funding, we have abundant resources to accomplish the mission.

The Role

We're looking for a Senior Integrations Engineer to be at the forefront of real-world blockchain adoption. This role uniquely combines deep engineering skills with great interpersonal skills and plays a key part in our strategy to onboard the next billion users.

If you are passionate about building innovative and scalable Web3 applications and have experience designing world-class systems, we would love to hear from you!

This position is fully remote.

What You'll Be Doing

• Be a goal-oriented developer, diving deeply into our codebase to solve problems spanning our smart contracts to our core node

• Conduct independent research in your area of ownership, design, implement, and document partner-oriented solutions to our core technology

• Combine great engineering skills with great interpersonal skills to onboard the biggest companies in both Web3 and Web2

• Collaborate closely and often with core engineers, product, business, and external development entities in order to affect change

• Develop a strong understanding of the value zkSync brings to the world derived by a true mastery of the technology

• Help partners dive into the ZK Stack and design their products

• Work with DeFi Blue Chips to help them deploy on zkSync Era

What We Look For in You

• 5+ years in backend software development and a deep understanding of software engineering best practices and architectures

• Experience in Web3 and a track record of success

• Passion for our mission to advance personal freedom for all

• Strong interpersonal and communication skills

• Ownership mindset

• An understanding of Merkle Trees

• Excellent understanding of Ethereum

• Ability to thrive solo thinking through complex problems just as much as collaborating with partners

• Fluency in written and spoken English

• Extra points: understanding of the EVM, experience with dev tools, experience building protocols, experience with rust

Working at Matter Labs

At Matter Labs, you have the freedom to work how you want, when you want, and from where you want. All positions are 100% remote (with optional travel to team and/or industry events). We operate in lean and nimble teams, with no time tracking and minimum bureaucracy. We move fast. Only results matter. We will provide you with everything you need to learn, grow, and be productive.

Our results-only environment means anyone who believes in our mission can join us, regardless of background, sexual orientation, race, gender, and age. Both our team and community are made up of people from diverse backgrounds. That's why, out of politeness and respect, we refrain from opinions on politics, religion, or sex at the workplace.

We designed our culture around the tenants of freedom and ownership. This ethos will underpin our positive-sum community as we evolve toward full decentralization.

What we Offer

- Competitive compensation

- Equity and token package 

- 100% coverage for health, dental, and vision Insurance 

- 16 weeks of parental leave

- Flexible paid time off 

- Company closure weeks 1-2x per year

- $2000 USD work equipment stipend

- $300 USD monthly co-working allowance 

- Company offsites 1-2x per year

- $500 USD learning & development stipend 

- 401k plan for US Employees 

Don't meet every single requirement? That's ok. At Matter Labs, we think big with a long-term view and encourage you to apply even if you don't think you check every box in the job description.

If this role resonates with you, please apply now.

Read more about working at Matter Labs here.

Important: We are remote-first, operating in the timezones between UTC-5 (Latam and Atlantic Coast) to UTC+7 (South-East Asia).

Please click here for our applicant privacy notice.

To all recruitment agencies: Matter Labs does not accept agency resumes. Please do not forward resumes to our jobs alias, Matter Labs employees, or any other organisation location. Matter Labs is not responsible for any fees related to unsolicited resumes. Read our full policy here.

Apply Now:

Summary

Cryptio is seeking a Software Engineer passionate about building crypto, finance, and accounting reconciliation products.

You'll join our talented engineering team working on Cryptio's SaaS platform within the Accounting & Reconciliation squad. Your team will develop robust solutions for cost basis and PnL computations, maintain our automated reconciliation tool (AutoRec), and create a high-performance reporting pipeline that process large volumes of data.

Key technologies:

• Rust (with a focus on performance and scalability)

• TypeScript (key dependencies: Nest.js, Zod, Slonik)

• PostgreSQL

• Kubernetes on AWS, Docker, GitLab… (modern development stack)

What's special about this role?

This role represents a unique opportunity to solve complex accounting and financial challenges in the cryptocurrency space. You'll contribute to the development of critical features that help our clients navigate the intersection of traditional finance and digital assets, from implementing sophisticated cost basis computations to building automated reconciliation systems that can handle millions of transactions.

You’ll be part of a team responsible for creating robust solutions that not only process high volumes of financial data efficiently but also ensure regulatory compliance and audit readiness. These systems will help our clients maintain accurate financial records, generate comprehensive reports, and confidently manage their crypto assets while meeting all regulatory requirements.

Responsibilities

• Contribute to the development of core accounting and reconciliation features

• Write and ship production grade TypeScript / Rust code

• Document and test your code

• Work closely with product teams to ensure new features meet user needs

Requirements

• 5+ years of software engineering experience

• Deep knowledge of TypeScript

• Pro-efficient in Rust, ability to write and ship production-grade code

• Some experience with high-performance systems

• Some experience with OLAP databases (ClickHouse or similar)

• Strong background in database design and optimisation with PostgreSQL

• Experience with data-heavy products and system optimisation

• Exceptional communication skills, with both technical and non-technical stakeholders

• Impeccable spoken and written English

• Strong collaborative mindset - the ability to work effectively with others is essential for tackling complex features

• An analytical mindset, a passion for solving complex problems, and an interest in the crypto and fintech industry

Location

You can work from home 100% of the time, but you should be able to easily join one of our hubs from time to time. Our hubs are Paris, London, and New-York.

Interview Process

1. Talent Screen - 45 min

2. Technical Interview - 90 min

3. Team Interview - 45 min

4. Leadership Interview - 45 min

Benefits

✨ Fully-Remote / Hybrid – The choice is yours! 🌍🏡

🎉 25 Days Paid Holiday + Bank Holidays + Your Birthday Off 🎂

💰 4% Pension Contributions towards your future! 💼

🏥 Private Medical & Dental Insurance with Allianz! 🦷💊

👶 Attractive Maternity and Paternity Policies for your growing family 👨‍👩‍👧‍👦

💪 Gym Classes or Spa Treatments with ClassPass! 🧘‍♂️🧖‍♀️

💻 Apple MacBook Pro – The best tech at your fingertips! 💻✨

💵 $200 Workplace Budget to create your perfect home office! 🏠💼

📚 Training and Development Budget – Invest in yourself and grow! 🚀

Apply Now:

At Matter Labs, we believe freedom drives progress and prosperity. We don’t see ourselves as a company, but as a team aligned around a single mission: to advance personal freedom for all (see ZK Credo).

To achieve this goal, we’re building zkSync — a credibly neutral, fully open source technology stack and network on top of Ethereum, which is owned and governed by its community. We use advanced cryptography called zero-knowledge proofs to scale Ethereum infinitely without compromising on security or decentralization. With a world-class team, a community of over 1M supporters across Twitter + Discord, and hundreds of millions $ in funding, we have abundant resources to accomplish the mission.

The Role

We're looking for an Engineer to be at the forefront of real-world blockchain adoption. This role uniquely combines deep engineering skills with great interpersonal skills and plays a key part in our strategy to onboard the next billion users.

If you are passionate about building innovative and scalable Web3 applications and have experience designing world-class systems, we would love to hear from you!

This position is fully remote.

What You'll Be Doing

• Be a goal-oriented developer, diving deeply into our codebase to solve problems spanning our smart contracts to our core node

• Conduct independent research in your area of ownership, design, implement, and document partner-oriented solutions to our core technology

• Combine great engineering skills with great interpersonal skills to onboard the biggest companies in both Web3 and Web2

• Collaborate closely and often with core engineers, product, business, and external development entities in order to affect change

• Develop a strong understanding of the value zkSync brings to the world derived by a true mastery of the technology

• Help partners dive into the ZK Stack and design their products

• Work with DeFi Blue Chips to help them deploy on zkSync Era

What We Look For in You

• 3+ years in backend software development and a deep understanding of software engineering best practices and architectures

• Experience in Web3 and a track record of success

• Passion for our mission to advance personal freedom for all

• Strong interpersonal and communication skills

• Ownership mindset

• An understanding of Merkle Trees

• Excellent understanding of Ethereum

• Ability to thrive solo thinking through complex problems just as much as collaborating with partners

• Fluency in written and spoken English

• Extra points: understanding of the EVM, experience with dev tools, experience building protocols, experience with rust

Working at Matter Labs

At Matter Labs, you have the freedom to work how you want, when you want, and from where you want. All positions are 100% remote (with optional travel to team and/or industry events). We operate in lean and nimble teams, with no time tracking and minimum bureaucracy. We move fast. Only results matter. We will provide you with everything you need to learn, grow, and be productive.

Our results-only environment means anyone who believes in our mission can join us, regardless of background, sexual orientation, race, gender, and age. Both our team and community are made up of people from diverse backgrounds. That's why, out of politeness and respect, we refrain from opinions on politics, religion, or sex at the workplace.

We designed our culture around the tenants of freedom and ownership. This ethos will underpin our positive-sum community as we evolve toward full decentralization.

What we Offer

- Competitive compensation

- Equity and token package 

- 100% coverage for health, dental, and vision Insurance 

- 16 weeks of parental leave

- Flexible paid time off 

- Company closure weeks 1-2x per year

- $2000 USD work equipment stipend

- $300 USD monthly co-working allowance 

- Company offsites 1-2x per year

- $500 USD learning & development stipend 

- 401k plan for US Employees 

Don't meet every single requirement? That's ok. At Matter Labs, we think big with a long-term view and encourage you to apply even if you don't think you check every box in the job description.

If this role resonates with you, please apply now.

Read more about working at Matter Labs here.

Important: We are remote-first, operating in the timezones between UTC-5 (Latam and Atlantic Coast) to UTC+7 (South-East Asia).

Please click here for our applicant privacy notice.

To all recruitment agencies: Matter Labs does not accept agency resumes. Please do not forward resumes to our jobs alias, Matter Labs employees, or any other organisation location. Matter Labs is not responsible for any fees related to unsolicited resumes. Read our full policy here.

Apply Now:

We are hiring for one of our ecosystems projects, they are one of the leading SocialFi companies with a strong presence globally.   In this role, you will:

Manage the architecture design and technical solutions of large-scale systems, ensuring optimal performance, concurrency, and availability. Manage and lead the technical team to solve complex technical challenges and facilitate efficient communication and collaboration. Maintain system stability and ensure it operates with high availability and supports high concurrency. Actively engage in agile development processes to ensure timely delivery of projects with exceptional quality.

  You might thrive in this role if you have:

5+ years of experience in relevant industry experience or related fields. A Bachelor’s degree or higher in Computer Science or a related field, with over 3 years of development experience and a clean, efficient coding >

LI-REMOTE

Apply Now: