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We are seeking a Senior Rust Developer with proven blockchain experience to become an integral part of our dynamic team. We need a master of Rust, a savvy operator in consensus algorithms, an expert in the Ethereum Virtual Machine, and above all, a motivated self-starter with excellent communication

As a Founding Engineer, you'll assume a hands-on role in designing, building, and maintaining the production features that power a rapidly growing DeFi trading platform. You'll be responsible for optimising developer velocity, ensuring platform reliability, and fostering a security-first culture. Job Requirements • Experience 24+ years in Product Engineer or Design roles (preferably at high-growth mobile apps or in Web3/crypto). • Product Sense Deep knowledge of design systems and consumer behavior. • Problem-Solving Mindset You design and develop end-to-end features that are robust, scalable, and cost-effective. • Passion for DeFi Strong interest or experience in crypto/blockchain. You're excited to bring on-chain products to the masses. • Open to US remote but must be open to frequent travel. Nice to Haves • 24 years of experience working on consumer mobile apps, preferably financial apps., • Previous experience at a company during a rapid growth phase (e.g., startup to mid-size)., • Hands-on experience with blockchain technologies (e.g., Bitcoin, Solana, Ethereum, etc.)., • Expertise in designing and implementing robust security architectures and protocols. Tech Stack, • Frontend: Flutter (iOS + Android), • Backend: Go, Postgres, Redis, • Infrastructure: Kubernetes, Google Cloud, Docker, Terraform, • On-Chain: Solana (with plans to explore Base, L2s, and additional blockchains)

_ is planning to bring a million developers and a billion users onchain. We need your help to make that happen. We are seeking an exceptional attorney to join our Product Legal team, dedicated to supporting the Coinbase incubated Base Layer 2 blockchain. In this pivotal role, you will navigate complex, first-of-a-kind blockchain and Base related product initiatives. Your responsibilities will extend across the Base L2 ecosystem, from operational support to ensuring seamless integration and compliance of Coinbase integrated products and base-native products. Collaborating closely with other members of the Coinbase legal team, you will tackle a wide array of challenging matters that influence the landscape of blockchain technology and innovation. What you’ll be doing (ie. job duties): • As Base specific product legal counsel, you will help build the legal foundation to support Base’s onchain mission and strategy., • Play a pivotal role in the grants ecosystem by overseeing legal processes related to funding and supporting innovative projects within the Base ecosystem., • Facilitate the integration of both Coinbase and third party services and products in the Base ecosystem, ensuring they adhere to legal standards and regulatory expectations. This includes conducting due diligence, drafting compliance policies, and providing guidance on risk management related to Base product integration., • Be a business partner, not just an attorney., • Provide full product life-cycle counseling., • Look around corners and creatively solve problems for the business as they plan, build, and execute on their product roadmap., • Identify issues that may fall outside your expertise, driving resolution by partnering with other members of the Coinbase legal team and outside counsel., • Work cross-departmentally, including with stakeholders such as Compliance, Communications, Finance, Tax, Security, Enterprise Risk Management, Engineering, Data, Analytics, Corporate Development, and members of Coinbase’s leadership team., • Respond promptly to a wide range of complex legal requests and coordinate closely with Legal department colleagues to ensure the swift delivery of smart, practical advice., • Operate in a fast paced, demanding environment and pivot quickly to meet leadership's needs., • Scale the advice you provide, so that you can do more with less and grow efficiently with the business. What we look for in you (ie. job requirements): • Currently licensed in a U.S. state. J.D. or equivalent, minimum of 5 years of legal experience, • You have strong, substantive practice and practical experience working in crypto / web3 / defi / protocols / blockchain, • You have Financial technology experience preferred but not required, • You have experience counseling product teams in launching consumer or developer-facing technology products and services, • You have a strong interest or experience in digital currency, blockchain technology, and innovative constructs pioneered by decentralized finance., • You have an understanding of the legal and regulatory considerations affecting crypto protocols and onchain products, including how decentralized architectures and onchain workflows impact product design and governance., • You have experience with build-outs to support Anti Money Laundering (AML)/Know-your-customer (KYC) requirements, and regulated e-money and money transmission obligations under banking laws., • You have proven problem-solving, communication and interpersonal skills., • You exercise excellent legal judgment with analytic rigor, prudential risk assessment, and a balance of realizable creativity and pragmatism., • You are comfortable with risk-adjusted thinking, and can understand when interpretive flexibility is warranted., • You are team-oriented and collaborative, you bring cross-departmental colleagues to the table, and build your practice to enable your clients to successfully build and launch crypto products at Coinbase. Nice to haves: • Technology/engineering background (Bachelors of science), • Experience working with protocols, rollups, Layer2s (bitcoin core team, ethereum foundation, polygon, solana, optimism Req #: P75838 #LI-Remote Pay Transparency Notice: Depending on your work location, the target annual base salary for this position can range as detailed below. Full time offers from Coinbase also include bonus eligibility + equity eligibility + benefits (including medical, dental, vision and 401(k)). Base salary range shown. Total compensation also includes equity and bonus eligibility and benefits:$224,995—$264,700 USD Please be advised that each candidate may submit a maximum of four applications within any 30-day period. We encourage you to carefully evaluate how your skills and interests align with Coinbase's roles before applying. Coinbase is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, creed, gender, national origin, age, disability, veteran status, sex, gender expression or identity, sexual orientation or any other basis protected by applicable law. Coinbase will also consider for employment qualified applicants with criminal histories in a manner consistent with applicable federal, state and local law. For US applicants, you may view the and the by clicking on their corresponding links. Additionally, Coinbase participates in the _ in certain locations, as required by law. Coinbase is also committed to providing reasonable accommodations to individuals with disabilities. If you need a reasonable accommodation because of a disability for any part of the employment process, please contact us at accommodations[at]coinbase.com to let us know the nature of your request and your contact information. For quick access to screen reading technology compatible with this site a free compatible screen reader. Depending on your location, the General Data Protection Regulation (GDPR) and California Consumer Privacy Act (CCPA) may regulate the way we manage the data of job applicants. Our full notice outlining how data will be processed as part of the application procedure for applicable locations is available . By submitting your application, you are agreeing to our use and processing of your data as required. For US applicants only, by submitting your application you are agreeing to arbitration of disputes as outlined For select roles, Coinbase is piloting an AI tool based on machine learning technologies to conduct initial screening interviews to qualified applicants. The tool simulates realistic interview scenarios and engages in dynamic conversation. A human recruiter will review your interview responses, provided in the form of a voice recording and/or transcript, to assess them against the qualifications and characteristics outlined in the job description. For select roles, Coinbase is also piloting an AI interview intelligence platform to transcribe and summarize interview notes, allowing our interviewers to fully focus on you as the candidate. The above pilots are for testing purposes and Coinbase will not use AI to make decisions impacting employment. To request a reasonable accommodation due to disability, please contact accommodations[at]coinbase.com.

Job Description Hiring a web3 developer who is experienced with writing smart contracts in solidity for Ethereum. Must also have familiarity with NFTs and current NFT trends. Responsibilities Handling the entire web3 portion of our site. • smart-contract creation, • minting functionality with specifications, • wallet connect, • SVG image generation 2+ years professional experience with Solidity and smart contract development, or a notable project that you've built yourself Interest and passion for contributing to the crypto ecosystem Interest and passion for building secure, robust, scalable infrastructure Requirements experience with solidity experience with NFTs excellent verbal & written communication skills Nice to haves: A love for music, consumer tech and web3 A builder's mentality, excited to push the boundaries of imagination What you’ll be doing: Build secure smart contract protocols on Ethereum that will be used by hundreds of thousands of NFT collectors Implement 0-to-1 innovations in NFT collecting protocols Help ideate around new ways that NFTs enable unique on-chain identity and socialization

Job DescriptionWe are looking for an exceptional Remote Smart Contract Engineer for one of our clients.Our client is creating the first consumer fintech product whose creators are aligned with its users.They're building an app that is the best place to save and spend your dollars. They combine high-yield savings with rewarded spending in a single, compounding balance that's easy to manage. Soon the app will let you pay your bills and put your financial life on autopilot. And through all of this — unlike every other fintech company — they don't skim from you. As a Smart Contract Engineer you will: • Be integral to implementing novel economic systems built on top of Ethereum., • Work regularly with security auditors and external contributors to document and upgrade code., • Support and maintain an active test economy, as well as integrations with partner protocols., • Act as a primary contributor to the tech community, evaluating and implementing upgrade proposals., • Ensure smart contracts track state of the art by evaluating new DeFi protocols, EIPs, Layer 1 and Layer 2 mechanisms, etc. We’re looking for you if: • You’re drawn to the hardest problems with the greatest potential impact., • You combine strong CS/Software Engineering fundamentals with a strong background in math and security., • You have knowledge of cryptography fundamentals and independent interest in economics., • You fail fast, prioritize tests, and you’re comfortable up and down the software stack.100% remote role for any location USA or Europe.If you think you fit the description please apply.

Job Description Our client is on crypto’s cutting edge technology, and we’re looking for the right engineers to join them. This is a remote position for any US candidate. Our client's Blockchain Distribution Network (BDN) allows DeFi (Decentralized Finance) traders to make better trades by being better connected. The key difference is that in the decentralized world of DeFi, you need to be connected to everyone. We’re looking for the right people to join us in building the missing piece in DeFi infrastructure. Responsibilities As a member of an agile engineering team, you will help design, implement, test and deploy new features in very short cycles to an always-on critical-path infrastructure. Requirements Qualifications • 5+ years of development experience, • Experience developing Ethereum solutions, • Experience running ETH nodes, • Experience working with Ethereum transactions, • Golang experience – big advantage, • Experience in a Linux working environment, • Creative, independent, and hardworking, • Team player with great interpersonal communication skillsGreat compensation package.If you think you fit the role please apply to join the blockchain journey.

Job DescriptionWe are looking for an exceptional Remote Smart Contract Engineer for one of our clients.Our client is building an app that is the best place to save and spend your dollars. They combine high-yield savings with rewarded spending in a single, compounding balance that's easy to manage. Soon the app will let you pay your bills and put your financial life on autopilot. And through all of this — unlike every other fintech company — they don't skim from you. As a Smart Contract Engineer you will: • Be integral to implementing novel economic systems built on top of Ethereum., • Work regularly with security auditors and external contributors to document and upgrade code., • Support and maintain an active test economy, as well as integrations with partner protocols., • Act as a primary contributor to the tech community, evaluating and implementing upgrade proposals., • Ensure smart contracts track state of the art by evaluating new DeFi protocols, EIPs, Layer 1 and Layer 2 mechanisms, etc. We’re looking for you if: • You’re drawn to the hardest problems with the greatest potential impact., • You combine strong CS/Software Engineering fundamentals with a strong background in math and security., • You have knowledge of cryptography fundamentals and independent interest in economics., • You fail fast, prioritize tests, and you’re comfortable up and down the software stack.100% remote role for any location USA or Europe.If you think you fit the description please apply.

Job Description Forhyre is seeking a Senior Solidity Engineer to help own the smart contract architecture and set the vision for the clients smart contract backend. Responsibilities • Set the vision for the clients smart contract back end and own the smart contract architecture., • Utilize previous experience with Ethereum blockchain test tools like, Truffle or Hard Hat, to ensure the architecture is of the best quality. Requirements • 2+ Years Blockchain Experience., • 2+ Years Solidity Experience, • 1+ Year Truffle or Hard Hat, • A good understanding of NFT marketplace logistics., • Passion for the opportunity. What's on offer? • Remote working opportunity., • Competitive compensation

Job DescriptionSoftware Engineering Team Lead Our client is on crypto’s cutting-edge technology, and we’re looking for the right engineers to join them. This is a remote position for any US candidate. Our client's Blockchain Distribution Network (BDN) allows DeFi (Decentralized Finance) traders to make better trades by being better connected. The key difference is that in the decentralized world of DeFi, you need to be connected to everyone. Coinbase is one of their investors. Responsibilities • Lead a team of blockchain core experts, • Create offerings that leverage the profit validator's gain, • Create offerings for searchers, • Contributing to the code base of our services, • Integrate our core systems with other blockchains such as Ethereum, Binance Smart Chain, Polygon, Solana and other future blockchains on the roadmap, • Work on special data analysis projectsRequirements, • 2+ years experience in managing Sr. Software Engineer which are experts in their field, • At least 5 years of experience with designing, building, testing and implementing highly scalable and distributed backend systems, • 3+ years experience in Blockchain in general, • 2+ years experience in Blockchain MEV, • Expertise using Go language, • Creative, independent, can do attitude, take ownership of overall responsibilities and a great team player, • Ability to read, modify blockchain core code (geth, bor, prysm, ...)BENEFITSThe company offers competitive salaries, stock options, company-paid healthcare benefits, 401k, unlimited PTO, remote work option and more. The benefits may vary based on global locations. We built a highly skilled team of business and engineering minds who are working on complex and innovative projects.If you think you fit the role please apply to join the blockchain journey.

Job DescriptionAt Offchain, we aren’t just building products: we’re leading a movement. As pioneers in blockchain scalability and security, we're at the forefront of transforming how the world interacts with decentralized applications. We're laying the foundation that will define the next generation of digital commerce, governance, and human interaction. This involves tackling real-world challenges that come with scaling blockchain technology, without compromising on its core principles: decentralization, security and transparency. At the center of this vision is our people. Our team is made up of thinkers and doers that embrace new challenges and seek solutions that push existing boundaries. If you’re energized by solving unprecedented problems, and believe in the role that decentralized systems will play in creating a more equitable digital future, then we want to hear from you. Why Offchain? Offchain is setting the pace for the entire Ethereum ecosystem. We built the Arbitrum stack that powers Arbitrum One, the most widely adopted Ethereum scaling solution that exists today. Arbitrum’s ecosystem is undergoing tremendous growth with hundreds of projects and dApps on Arbitrum One today. Over 100 different teams have used Offchain technology to build their own Arbitrum chains. Major players in the space, Robinhood, BlackRock, Ethena Labs, Securitize, Aave, and Apechain are all using the Arbitrum stack. Arbitrum’s thriving ecosystem wouldn’t exist without our advanced technology stack. Arbitrum, Prysm, ZeroDev. These aren’t just product names. These are tools that are actively reshaping what's possible on Ethereum and advancing its core infrastructure. To top it all off? We’re backed by $124 million in funding. We’ve demonstrated consistent execution with billions in secured value, thousands of supported projects, and infrastructure processing millions of transactions seamlessly. The Role: Offchain is looking for a Staff Accountant to join their Accounting team. This person will support vendor payments and billing operations end-to-end, ensuring timely and accurate processing and a smooth experience for internal teams and external partners. They will work cross-functionally with Finance, Legal, and Operations to manage vendor onboarding, documentation, and payment workflows, while helping improve systems, controls, and processes as the company scales its payments infrastructure.What you'll do: • Own day-to-day vendor payments and billing operations, ensuring timely and accurate processing, • Process and review invoices, verify approvals, and manage payment runs, • Support vendor onboarding, including collecting documentation and coordinating with Legal and Finance, • Maintain accurate vendor records and payment data across systems, • Partner cross-functionally to resolve billing issues, discrepancies, and payment inquiries, • Support month-end close activities related to AP and payments, • Assist with audit requests, documentation, and controls, • Identify opportunities to improve workflows, automation, and operational efficiency, • Help document processes and contribute to building scalable payments operationsWhat you'll need:, • 1–3+ years of experience in accounts payable, billing, finance operations, or a related role, • Strong attention to detail and comfort working with numbers and financial data, • Experience processing invoices and payments in an AP or billing system, • Ability to manage multiple tasks and deadlines in a fast-paced environment, • Clear, professional communication skills when working with internal teams and vendors, • Comfort working with spreadsheets and financial systems (e.g., ERP, AP tools, expense platforms), • High level of integrity and ability to handle sensitive financial information, • Organized, reliable, and proactive problem-solverPerks:, • Annual company offsite + team onsites, • Professional reimbursement program (facilitates industry conference attendance, certifications, and more), • Medical, dental & vision coverage (US + some other countries), • 401k retirement plan + company match (US only), • Wellness stipend, • Home office set up / ergonomic equipment programAttention Offchain Job Seekers: Please be advised that there has been a rise in fraudulent recruiter activities, particularly within the Web3 space. If you would like to confirm whether someone is an Offchain employee or the legitimacy of an offer you received, please email jobs@offchainlabs.com At Offchain, we believe that diversity, equity, inclusion and belonging are essential to our success. We are committed to building a welcoming and supportive workplace for all employees, regardless of their background or identity. We strive to create an environment where everyone feels valued and has an equal opportunity to succeed and thrive. We encourage candidates from all walks of life to apply and join our team. We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Job Description Our client is on crypto’s cutting edge technology, and we’re looking for the right engineers to join them. This is a remote position for any US candidate. Our client's Blockchain Distribution Network (BDN) allows DeFi (Decentralized Finance) traders to make better trades by being better connected. The key difference is that in the decentralized world of DeFi, you need to be connected to everyone. We’re looking for the right people to join us in building the missing piece in DeFi infrastructure. Responsibilities As a member of an agile engineering team, you will help design, implement, test and deploy new features in very short cycles to an always-on critical-path infrastructure. Requirements Qualifications • 5+ years of development experience, • Experience developing Ethereum solutions, • Experience running ETH nodes, • Experience working with Ethereum transactions, • Golang experience – big advantage, • Experience in a Linux working environment, • Creative, independent, and hardworking, • Team player with great interpersonal communication skillsGreat compensation package.If you think you fit the role please apply to join the blockchain journey.

Job DescriptionCareer Renew is recruiting for one of its clients a Staff Backend Engineer - Crypto - this is a fully remote role for US-based candidates. Salary range: 175-225K plus benefits. We are building autonomous trading. Backed by $4.5M in recent funding from Lemniscap and Coinbase Ventures, our vision is bold and concrete: to become the “Waymo of onchain trading” — fully autonomous trading agents that help users navigate, outperform, and ultimately beat the markets. We are building the infrastructure and intelligence layer that makes that future possible. Our co-founders Jason Goldberg, Sarvesh Jain, and Ignas Peciura have been innovating together on Ethereum since 2017 and at the edge of blockchain x AI since 2022. This is an opportunity to join a crack team that’s aggressively pioneering the future of trading. What You’ll Be Building: Real-time, budget-aware mirror trading infrastructure on Hyperliquid and beyond High-throughput wallet and trading systems operating under extreme volatility AI-driven intelligence layers that continuously improve trading outcomes Production systems designed for correctness, resilience, and speed Developer workflows where AI is used aggressively as a force multiplier This is frontier-level work across perps infrastructure, crypto wallets, trading systems, and applied AI. What You’ll Bring (Non-Negotiable): Seniority & Ownership: Staff-level engineer capable of owning large, business-critical systems Proven ability to lead work end-to-end: problem definition → architecture → implementation → production Comfortable making high-impact technical decisions in ambiguous environments Crypto-Native Experience (Essential) Hands-on experience with crypto wallets, tokens, and trading systems Deep familiarity with trading APIs, execution flows, and transaction lifecycles Strong intuition for how real crypto markets behave under volatility and scale Crypto experience is essential. We can teach product specifics, but you must already be fluent in crypto primitives and trading systems. Technical Skills: Strong production experience with: TypeScript Node.js Golang Deep understanding of distributed systems, performance, and reliability Experience building high-throughput backend services Actively uses AI as an accelerant in design, development, and iteration (must have) Operating Excellence Experience running production systems: monitoring, on-call, incident response, root-cause analysis Strong bias toward correctness and safety in financial systems Pragmatic, outcome-oriented approach to shipping Compensation & Package Equity: initial stock grant of ~1% of the company, currently valued at approximately $230,000 Everyone on the Senpi team is eligible for regular salary increases and bonuses based on achieving revenue targets — the entire team is usage + revenue focused Token upside: pro-rata participation in our token launch, planned for 2026 This role is designed to be meaningfully ownership-driven, with real upside tied to company success.

Job DescriptionSoftware Engineer Opportunity Our client is on crypto’s cutting-edge technology, and we’re looking for the right engineers to join them. This is a remote position for any US-based candidate. Our client's Blockchain Distribution Network (BDN) allows DeFi (Decentralized Finance) traders to make better trades by being better connected. The key difference is that in the decentralized world of DeFi, you need to be connected to everyone. Coinbase is one of their investors. They created the first and only high performance blockchain distribution network (BDN) with the best solution for Ethereum, BSC, and Polygon. The BDN and DeFi trading tools allow its users to win at crypto trading. The BDN utilizes a global network of servers optimized for network performance. Nodes access this network through open-source gateways and users can access it through the public API. As a Software Engineer, you will be a core member of the team responsible for supporting the development of the Solana platform. In this position, you will be expected to have a deep technical understanding of blockchain technologies. You will have the ability to work closely with a team of engineers to help with enhancing our products and services. Responsibilities: Optimize the performance of the BDN (Blockchain Distribution Network) by enhancing speed through innovations aligned with the blockchain protocol, network infrastructure, and consensus model Architect, develop, and maintain the Solana blockchain platform using Solana native Innovate and design solutions that capitalize on the swift data flow within the blockchain distribution network, ensuring the creation of compelling offerings Demonstrate proficiency in reading and maintaining the core code of Solana, contributing to a deeper understanding and effective utilization of the Solana blockchain ecosystem Engineer Geyser plugins to enhance functionality and broaden the capabilities of the overall system, contributing to the evolution of the blockchain technology landscape Stay up to date with the latest developments in blockchain technology Requirements: 5+ years in blockchain with 2+ years focused on Solana (Raydium, JITO, AMMs) ETH/Polygon/BSC protocols, and MEV knowledge 5+ years experience in designing, testing, and implementing scalable backend systems Multiple Solana programs written in Solana native programming Proficient in Rust or Golang languages or both Skilled in reading and modifying blockchain core code (geth, bor, prysm) Creative, independent, and collaborative team player with the ability to work in a fast paced environment Benefits: Competitive salaries, stock options, healthcare benefits, 401k plan with an employer match, flexible PTO, and remote work. We built a highly skilled team of business and engineering minds who are working on innovative, challenging and complex projects.If you think you fit the role please apply to join the blockchain journey.

Job Description Software Engineering Team Lead (Remote) Our client is at the forefront of crypto’s cutting-edge technology, and we’re seeking an experienced engineering leader to join their team. This is a fully remote role open to candidates based anywhere in the world. About the Company Our client built the first high-performance Blockchain Distribution Network (BDN) to empower DeFi traders with ultra-low-latency connectivity across Ethereum, BSC, and Polygon. By leveraging a global server network optimized for performance—and backed by investors such as Coinbase—the BDN and accompanying DeFi tools give users a competitive edge in crypto trading. Nodes connect via open-source gateways, and developers can integrate seamlessly through a public API. Responsibilities • Lead a small team of blockchain core experts, • Create offerings that leverage the profit validators gain, while creating offerings for searchers, • Develop and implement strategies to optimize performance, • Collaborate with cross-functional teams to support blockchain best solutions, • Play a pivotal role in increasing productivity, growth and engagement for the team, • Work on special data analysis projects, as neededRequirements Leadership: Minimum of 2 years managing an engineering team, with a track record of mentoring and scaling high-performing developers. Backend Architecture: At least 5 years designing, building, testing, and deploying highly scalable, distributed backend systems. Blockchain Experience: 3+ years working in blockchain engineering. Technical Skills: Deep proficiency in Go (Golang) for backend development. Problem Solving & Communication: Exceptional analytical skills, the ability to break down complex challenges, and clear, concise communication with both technical and non-technical stakeholders. Benefits Competitive Salary & Stock Options Company-Paid Healthcare 401(k) Plan Unlimited PTO Fully Remote Work Environment Opportunities for Career Growth Collaborative Team of Top-Tier Business & Engineering Minds

Job DescriptionWe are looking for an exceptional Remote Smart Contract Engineer for one of our clients.Our client is building an app that is the best place to save and spend your dollars. They combine high-yield savings with rewarded spending in a single, compounding balance that's easy to manage. Soon the app will let you pay your bills and put your financial life on autopilot. And through all of this — unlike every other fintech company — they don't skim from you. As a Smart Contract Engineer you will: • Be integral to implementing novel economic systems built on top of Ethereum., • Work regularly with security auditors and external contributors to document and upgrade code., • Support and maintain an active test economy, as well as integrations with partner protocols., • Act as a primary contributor to the tech community, evaluating and implementing upgrade proposals., • Ensure smart contracts track state of the art by evaluating new DeFi protocols, EIPs, Layer 1 and Layer 2 mechanisms, etc. We’re looking for you if: • You’re drawn to the hardest problems with the greatest potential impact., • You combine strong CS/Software Engineering fundamentals with a strong background in math and security., • You have knowledge of cryptography fundamentals and independent interest in economics., • You fail fast, prioritize tests, and you’re comfortable up and down the software stack.100% remote role for any location USA or Europe.If you think you fit the description please apply.

Job DescriptionWe are looking for an exceptional Remote Smart Contract Engineer for one of our clients.Our client is building an app that is the best place to save and spend your dollars. They combine high-yield savings with rewarded spending in a single, compounding balance that's easy to manage. Soon the app will let you pay your bills and put your financial life on autopilot. And through all of this — unlike every other fintech company — they don't skim from you. As a Smart Contract Engineer you will: • Be integral to implementing novel economic systems built on top of Ethereum., • Work regularly with security auditors and external contributors to document and upgrade code., • Support and maintain an active test economy, as well as integrations with partner protocols., • Act as a primary contributor to the tech community, evaluating and implementing upgrade proposals., • Ensure smart contracts track state of the art by evaluating new DeFi protocols, EIPs, Layer 1 and Layer 2 mechanisms, etc. We’re looking for you if: • You’re drawn to the hardest problems with the greatest potential impact., • You combine strong CS/Software Engineering fundamentals with a strong background in math and security., • You have knowledge of cryptography fundamentals and independent interest in economics., • You fail fast, prioritize tests, and you’re comfortable up and down the software stack.100% remote role for any location USA or Europe.If you think you fit the description please apply.

Job DescriptionAbout the Client Our client is VC-backed who is building the all-in-one DeFi application unifying spot, perpetuals, staking, and yield across Ethereum, Solana, Arbitrum, and 100+ chains. With CEX-like speed, AI-driven guidance, and full self-custody, they are on a mission to become the only DeFi app users will ever need. Backed by integrations with leading protocols, including 1inch, LI.FI, deBridge, 0x, and more, the team is scaling rapidly and looking for exceptional engineering talent to join at a pivotal stage. Role Overview We are recruiting for a Fully Remote (you can be based anywhere in the world) Full-Stack Engineer who will take ownership of core product features from day one. This is a high-impact, high-autonomy role working directly alongside the founding team to build consumer-grade interfaces that integrate seamlessly with DeFi protocols, aggregators, and crypto APIs. The ideal candidate thrives in fast-paced startup environments and is energised by the opportunity to shape a product from the ground up. Key Responsibilities Lead development across both frontend and backend, delivering features end-to-end. Architect and build integrations with leading DeFi protocols, DEX aggregators, cross-chain bridges, and data providers. Develop polished, performant user interfaces using Next.js, React, and TailwindCSS. Design and maintain scalable backend services using Node.js (TypeScript), PostgreSQL, Redis, and WebSockets. Operate with a high degree of independence, proactively identifying issues, proposing solutions, and executing with urgency. Collaborate closely with the founding team to define technical direction and product strategy. Requirements 3–5+ years of hands-on experience in crypto/Web3 development (DEXs, wallets, aggregators, DeFi protocols), or demonstrable exceptional aptitude with strong proof of capability. Strong proficiency with Next.js, React, and TailwindCSS for building intuitive, high-quality interfaces. Solid backend experience with Node.js/TypeScript and PostgreSQL—writing clean, secure, and scalable code. Proven track record of integrating with crypto APIs, DeFi protocols, and third-party aggregators. Excellent communication skills, able to articulate technical concepts clearly and collaborate effectively in a remote environment. Startup mindset: self-directed, comfortable with ambiguity, and driven to deliver results at pace. High intellectual curiosity and a relentless drive for problem-solving and continuous improvement. Nice to Have Experience with account abstraction (ERC-7702 smart wallets). Deep understanding of DEX/AMM mechanics, bridges, and liquidity management. What This Role Offers Ownership from day one—direct responsibility over core parts of the product. Visible, measurable impact: your code will shape how thousands of users interact with the platform. A fast-paced, high-performance environment focused on execution and results. A clear path to technical leadership as the company scales. The opportunity to be part of a mission-driven team building at the cutting edge of DeFi.

Job Description Our client is on crypto’s cutting edge technology, and we’re looking for the right engineers to join them. This is a remote position for any US candidate. Our client's Blockchain Distribution Network (BDN) allows DeFi (Decentralized Finance) traders to make better trades by being better connected. The key difference is that in the decentralized world of DeFi, you need to be connected to everyone. We’re looking for the right people to join us in building the missing piece in DeFi infrastructure. Responsibilities As a member of an agile engineering team, you will help design, implement, test and deploy new features in very short cycles to an always-on critical-path infrastructure. Requirements Qualifications • 5+ years of development experience, • Experience developing Ethereum solutions, • Experience running ETH nodes, • Experience working with Ethereum transactions, • Golang experience – big advantage, • Experience in a Linux working environment, • Creative, independent, and hardworking, • Team player with great interpersonal communication skillsGreat compensation package.If you think you fit the role please apply to join the blockchain journey.

Job Description Software Engineering Team Lead (Remote) Our client is at the forefront of crypto’s cutting-edge technology, and we’re seeking an experienced engineering leader to join their team. This is a fully remote role open to candidates based anywhere. About the Company Our client built the first high-performance Blockchain Distribution Network (BDN) to empower DeFi traders with ultra-low-latency connectivity across Ethereum, BSC, and Polygon. By leveraging a global server network optimized for performance—and backed by investors such as Coinbase—the BDN and accompanying DeFi tools give users a competitive edge in crypto trading. Nodes connect via open-source gateways, and developers can integrate seamlessly through a public API. Responsibilities Lead and mentor a team of software engineers and a Technical Product Manager. Oversee the design, implementation, and optimization of MEV services and mempool-transaction workflows for Ethereum. Define and deliver product offerings that maximize profit validator gains. Collaborate with searchers to build tools and services that enhance their trading execution. Contribute hands-on code to the BDN and related services, ensuring high performance and scalability. Foster a culture of rigorous code quality, automated testing, and continuous improvement. Requirements Leadership: Minimum of 2 years managing an engineering team, with a track record of mentoring and scaling high-performing developers. Backend Architecture: At least 5 years designing, building, testing, and deploying highly scalable, distributed backend systems. Blockchain Experience: 3+ years working in blockchain engineering. Technical Skills: Deep proficiency in Go (Golang) for backend development. Problem Solving & Communication: Exceptional analytical skills, the ability to break down complex challenges, and clear, concise communication with both technical and non-technical stakeholders. Benefits Competitive Salary & Stock Options Company-Paid Healthcare 401(k) Plan Unlimited PTO Fully Remote Work Environment Opportunities for Career Growth Collaborative Team of Top-Tier Business & Engineering Minds

Job DescriptionAt Fun, we’re building the financial infrastructure for internet capital markets. The systems that power global finance were designed for a different era: slower, fragmented, and constrained by borders. Today, value is digital, global, and moves instantly, but the experience of moving it hasn’t caught up. Fun offers the highest converting payment solution in the digital asset space – a unified system that enables users to complete any on-chain action using crypto, exchange balances, or fiat from a card or bank account, all in a single, seamless flow. Our goal is simple: make transacting with any asset feel effortless, anywhere in the world. Role OverviewWe're looking for a Protocol Engineer to join our core blockchain team and help build the foundation of Web3 payments infrastructure. This high-impact role offers the opportunity to work on challenging technical problems at the intersection of smart contracts, cross-chain protocols, and decentralized finance. You will design and implement secure, efficient smart contract systems and blockchain integrations that power millions of transactions across multiple chains. This role is perfect for a technically strong engineer who thrives in fast-paced environments and wants to shape the future of decentralized finance.Responsibilities • Design, develop, and deploy secure smart contracts and protocol implementations across multiple blockchain platforms, • Collaborate with backend and product teams to architect blockchain solutions that meet business requirements, • Write highly efficient, well-tested code and participate in security audits to ensure protocol safety, • Research and evaluate new blockchain technologies, protocols, and DeFi primitives for integration opportunities, • Contribute to incident response and debugging on-chain issues to ensure protocol reliabilityRequirements, • Strong experience building and deploying production smart contracts on major blockchain platforms, • Deep understanding of blockchain architecture, consensus mechanisms, and cryptographic principles, • Hands-on experience with smart contract development languages (Solidity, Rust, Move, etc.), • Solid grasp of DeFi protocols, token standards, and cross-chain communication patterns, • Strong security mindset with knowledge of common smart contract vulnerabilities and best practices, • Clear communicator who can explain complex blockchain concepts to cross-functional teamsNice to Have, • Production experience with multiple blockchain ecosystems (Ethereum, Solana, L2s, etc.), • Previously worked at crypto startup or Web3 infrastructure company, • Experience with cross-chain bridges, oracles, or interoperability protocols, • Background with high-volume DeFi protocols or DEX infrastructure, • Contributions to blockchain open source projects or protocol research, • Experience with formal verification or advanced smart contract testing frameworks We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses. These tools assist our recruitment team but do not replace human judgment. Final hiring decisions are ultimately made by humans. If you would like more information about how your data is processed, please contact us.

Gnosis is a community-run chain that is closely aligned with Ethereum’s values and community. We seek to build a chain that is credibly neutral and resilient, with nodes run by thousands of ordinary people across the globe. Gnosis continues to contribute to Ethereum’s growth as an experimental chain, where newcomers, quirky ideas, and indie projects are welcome. Gnosis is currently hiring for Core Devs who will contribute to both Ethereum and Gnosis. As a member of Ethereum’s Beaconverse, Gnosis runs the same execution and consensus clients at Ethereum, and contributes to the tooling, bug fixes, and funding of core development. We work directly with client teams like Nethermind and Erigon, and fund critical tooling for Ethereum clients. Working with Execution Layer clients teams (e.g. Nethermind, Geth, Erigon, Reth, etc) Working with Consensus Layer client teams (e.g. Lighthouse, Nimbus, Teku, Lodestar, Prysm, etc) Implementing EIPs that are in Gnosis’ roadmap Working with R&D teams to accelerate the experimentation of EIPs (e.g. Account Abstraction, 4844, state expiry) Triaging bug reports, implementing fixes and submitting upstream fixes to client teams Maintaining Gnosis client images and coordinating releases Maintaining Test Environments, Monitoring and Tooling Maintain critical infrastructure for the network (e.g. ethstats, forkmon, checkpoint sync) Maintain the Geth fork for Gnosis Chain Maintain the Reth plugin for Gnosis Chain General knowledge of the Ethereum protocol General knowledge of EVM bridges Experience in some low level language, either Go or Rust Curious and passionate Takes initiative to solve problems and make an impact Strong communicator who enjoys working with others [Plus] Core development experience [Plus] Experience with Execution Layer clients: Nethermind, Geth, Erigon, Besu, Reth [Plus] Experience with Consensus Layer clients: Lighthouse, Nimbus, Teku, Lodestar, Prysm • Personal Development: Pursue your professional goals with our support, including personal education budgets and conference allowances. We invest in your growth and learning., • Innovation and Experimentation: Interested in exploring new ideas? Dedicate your Friday afternoons to research or work on a side project within our ecosystem. We encourage creativity and experimentation., • Flat Hierarchy: Navigate with ease in our organization. Our flat hierarchy ensures your ideas and contributions are valued and heard, without getting lost in a complex structure., • Flexible and Remote Work: Not a morning person? No problem! We embrace flexible working schedules and have a long-standing culture of remote work. Balance your professional and personal life in a way that works for you., • State-of-the-Art Equipment: Receive the latest hardware and all the tools you need. We make sure you're well-equipped to do your best work., • Growth and Opportunity: Grow with us in an exciting industry. As Gnosis rapidly expands, so do the opportunities for you to make a significant impact. We value initiative and a proactive approach., • Inclusive and Diverse Culture: At Gnosis, we are committed to creating an inclusive environment that celebrates diversity. We believe our products and services are enhanced by a wide range of perspectives. All qualified applicants will receive consideration for employment without regard to race, ethnic origin, age, religion, belief, marital status, gender identification, sexual orientation, or physical ability., • Community and Mission: Join a team that's passionate about our mission and enjoys working together. We’re not just colleagues; we’re a community driven by a shared goal.How to Apply: Submit your resume in English and join us on this exciting journey. We are eager to see what you bring to the table and how you can contribute to our dynamic team. At Gnosis, we strive to create an inclusive environment that empowers our employees. We believe that our products and services benefit from our diverse backgrounds and experiences and are proud to be an equal opportunity employer: all qualified applicants are considered for positions regardless of race, ethnic origin, age, religion or belief, marital status, gender identification, sexual orientation, or physical ability.

Since we are a start-up and the fact that we put our employees first, you can always grow and peek beyond your role so that continuous personal development is guaranteed. That being said, as part of our Tech Team, your primary responsibilities will be: • Design, develop and maintain our Staking API for Ethereum and Solana. The API pulls performance and reward data from on-chain sources, aggregates it and provides it via our API to our customers., • Conduct rigorous and continuous quality assurance of the API by building automated tests, cross-check data with alternative data sources and actively hunt for bugs. Our customers are financial institutions with high expectations towards data integrity., • Design, develop and maintain internal tools and dashboards based on on-chain data in collaboration with the team (e.g. for Finance, Project Teams, Business Intelligence)We also grant our employees the opportunity to fully own projects and take on responsibility - let’s grow together!You’re a developer with good knowledge of Ethereum and Solana, and a passion for blockchain and decentralization. You enjoy working to a high standard and writing code that is clean, performant, and maintainable. You have strong attention to detail, and put in the effort to hunt down the last tiny bug. You demonstrate ownership for your area and are able to plan and execute your work self-responsibly. You express yourself clearly in writing and in discussions. Requirements: • Demonstrated strong programming skills in Golang, ideally 2+ years, • Good knowledge of Ethereum and Solana, • Fluency in English (German is a plus), • Willingness to travel once in a while to meet the team in person, • Bonus Point: You have full-stack web programming skills, • A fun, friendly, and close-knit crew, • Competitive salary, • Flexible working arrangements, • Support for furthering your self-development, skills, and career, • An opportunity to work and learn alongside leading professionals, teams, and projects in a cutting-edge industry, • Option to work remotely

Bermuda (_) is a privacy protocol integrating deeply into the Gnosis ecosystem and tech stack. We are a small team focusing to scale and ship. As a lean team we require everybody to be flexible and collaborate. Nonetheless, the role’s main responsibilities and tasks are: • Design, implement, and optimize smart contracts, • Build SDKs for interfacing with our smart contracts and ZK stack, • Stay up-to-date with the latest EIPs, Ethereum developer tooling, and exploits, • Support ZK circuit development, • Integrate our stack into external applications, • Solidity supernerd, • Mastery of foundry and hardhat, • Fluent in Rust, • Interested in diving into ZK and Noir, • Skilled in JavaScriptThe perfect profile - don’t worry if you can’t tick all boxes! Besides a role’s specialization we generally look for full-stack skills and experience in applied cryptography., • Token package, • Conference visits, • Flat hierarchies if any, • Flexible working schedules and remote work, • Space for innovation and experimentation, • Modern equipment, • Inclusive and diverse culture

3iQ Digital Asset Management Job Description: Sr. Corporate Accountant (US) Founded in 2012, 3iQ is one of the world's leading alternative digital asset managers, pioneering institutional-grade investments. 3iQ launched the world’s first Digital Assets Managed Account Platform (QMAP), a hedge fund investment solution, offering innovative risk-managed investment solutions to gain exposure to digital assets. 3iQ was also the first to launch a Bitcoin and Ethereum ETP listed on a major global stock exchange, integrate staking into its Ethereum and Solana ETPs boosting investor returns, and offering other regulated ETPs. In 2024, Monex Group, a leading Japanese financial group, took a majority stake in 3iQ. Since 2012, 3iQ has been at the forefront of innovation in digital asset investment management. To learn more about 3iQ, visit 3iq.io. W: _ L: _ X: _ At our company, we lead with Kyōdō — putting “we before me” and winning as a team. We stay humble, curious, and always learning, lifting each other up and celebrating shared success. We move fast, adapt boldly, and focus on what’s possible rather than what’s familiar. We speak with honesty and care, practicing radical candor to help each other grow. And when we commit, we follow through — with accountability, integrity, and real ownership. If you thrive in a supportive, ambitious, growth-minded culture, you’ll belong here! We are looking for a Senior Corporate Accountant in the United States to be employed by our US branch to manage the books and financial reporting for a new line of business in the Cayman Islands. This role reports to the Corporate Controller. You will be responsible for booking all journal entries for three entities, managing accounts payable for three entities, monthly reporting and analysis, year-end IFRS financial statement preparation, and managing the year-end audit. The successful candidate will be a key part of the finance team and will provide critical insights for the strategic decision-making team. This exciting opportunity is ideal for an experienced individual who wants to grow with a young organization. WHAT WILL YOU BE DOING? • Manage all accounting entries including management of accounts payable, • Manage month-end and year-end closing processes, • Prepare monthly financial reports with detailed variance analysis to provide key insights to Senior management, • Prepare annual audited financial statements, ensuring compliance with IFRS, • Collaborate with external auditors during financial audits, • Develop and implement robust internal controls to ensure the accuracy and integrity of financial records, • Stay updated on accounting standards, regulations, and industry best practices, • Ad hoc reporting duties as requested WHAT ARE WE LOOKING FOR? • Minimum 4-6 years’ experience in corporate accounting preferably within the investment fund industry, • Experience with monthly financial reporting and analysis, • Undergraduate degree with a focus on Finance, Economics, Mathematics, Accounting or commerce; CPA or equivalent certification, • Strong knowledge of IFRS accounting principles and practices, • Exceptional Microsoft Excel skills are essential along with excellent working knowledge of the Microsoft Suite of products, • Experience dealing with audits is preferred but not mandatory, • Exceptional ability to be highly collaborative and flexible in a very dynamic environment, • Excellent attention to detail, • Analytical and problem-solving skills that are above average, • Proficiency in accounting software (Netsuite or Quickbooks is preferred) WHAT DO WE OFFER? • Competitive compensation including discretionary bonus. The range for this role is $100-120K USD, • Opportunity to work at the forefront of an innovative, fast-growing industry, • Remote-first team with a flexible work environment focused on results, • Collaborative, low-ego culture with a strong execution mindset, • Annual company offsites to connect, collaborate, and recharge, • Birthdays off to celebrate your day your way!, • Unlimited Vacation Days, • Supportive parental leave policy designed to prioritize family and well-being 3iQ is an equal opportunity employer. We encourage people from all backgrounds to apply but must be eligible to work in the country to be considered. We are committed to ensuring that our products and services are made available and accessible to everyone. All employment decisions are made without regard to race, color, national origin, ancestry, sex, gender, gender identity or expression, sexual orientation, age, genetic information, religion, disability, medical condition, pregnancy, marital status, family status, veteran status, or any other characteristic protected by law.

Framework Ventures is seeking an Enterprise Relationship Lead to foster relationships within the Ethereum ecosystem.This fully remote position will connect complex organizations with open-source communities to advocate for public blockchain technology.Key responsibilities include stakeholder managem

Enterprise Liaison / Relationship Manager - Ethereum Ecosystem Remote (Global) Ethereum Foundation – Enterprise Ecodev Contract / Remote We're looking for a proactive, people-oriented Enterprise Liaison to play a crucial role in building and nurturing relationships for the Ethereum ecosystem. R

Ethereum Foundation is hiring a Developer Tooling Coordinator to shape the Ethereum developer ecosystem.

You have exceptional leadership, balancing IC execution with cross functional collaboration.Proactive problem-solver who drives continuous improvement Nice to haves: Experience with Ethereum clients (e.Geth) or adjacent infrastructure (indexers, p2p overlays).Smart contract development proficiency T

Sales & Marketing Internship - Chicago. We appreciate your interest in joining the team at Ethereum Address Service (EAS) as a Marketing Intern. As a Marketing Intern with EAS, you will gain valuable experience in the following areas:.

Sales & Marketing Internship - Miami. We appreciate your interest in joining the team at Ethereum Address Service (EAS) as a Marketing Intern. As a Marketing Intern with EAS, you will gain valuable experience in the following areas:.

This is an opportunity to contribute to building scalable and privacy-focused solutions in the Ethereum ecosystem.

Responsibilities Design, develop, and test smart contracts on the Ethereum Virtual Machine (EVM) Collaborate with the engineering team to implement cross-chain interoperability solutions, enabling seamless asset swaps and liquidity connections across multiple blockchains Optimize smart contract code

A leading Web3 technology firm is seeking a motivated Web3 DevRel Intern to support the developer community.The ideal candidate will have a strong foundation in computer science, experience with Solidity and TypeScript, and proficiency in English.Responsibilities include supporting customer engineer

This role focuses on building secure and efficient smart contracts on the Ethereum Virtual Machine, prioritizing security and collaboration with auditing firms.

A non-profit organization in blockchain development is seeking a Senior Engineering Manager to lead two teams focused on enhancing developer tooling for Ethereum.

Sales & Marketing Internship - Boston. We appreciate your interest in joining the team at Ethereum Address Service (EAS) as a Marketing Intern. As a Marketing Intern with EAS, you will gain valuable experience in the following areas:.