Explore and prototype blockchain-based use cases across diverse business scenarios, building experimental tools and proof-of-concepts.
Research on-chain ecosystems, protocols, and industry trends to identify opportunities for scalable adoption.
Transform research outputs into structured technical documentation and actionable recommendations for engineering and product teams.
Jobgether uses AI-powered matching to connect candidates with hiring companies. They operate a remote-first platform focused on efficient and fair recruitment.
Serve as a technical bridge between customers and internal teams, designing and implementing pre-sales solutions.
Guide customer teams on SDK and API best practices, triage technical issues, and reduce implementation timelines.
Optimize tools and self-service solutions to enhance customer experience and accelerate sales.
Mesh enables consumers to pay and be paid with any asset, bridging crypto and commerce. They are backed by leading investors and are building the infrastructure for the next era of the global economy.
Lead strategic client engagements, developing bespoke solution concepts and guiding onboarding to drive success on Arbitrum.
Proactively identify and advocate for strategic partnerships with promising application teams to foster engaging on-chain experiences.
Work with the Product team to relay feedback from projects and shape go-to-market strategy for new products, especially for developer audience.
Offchain builds the Arbitrum stack, a leading Ethereum scaling solution. Backed by $124 million, their team of thinkers and doers tackles novel challenges in blockchain scalability and security.
Build and maintain web applications for scientific communities and research-focused users.
Develop robust APIs, backend services, and scalable application architectures.
Contribute to Web3 infrastructure initiatives including blockchain features and smart contracts.
A mission-driven company building products at the intersection of technology, science, and decentralized innovation. They are a remote-first, async-friendly team with a small, collaborative culture focused on meaningful global impact.
AnaVation is the leader in solving complex technical challenges for the U.S. Federal Intelligence Community, delivering groundbreaking research and advanced software and systems engineering. We are a US-owned company headquartered in Chantilly, Virginia, offering a top-notch work environment and a collaborative team culture.
Design and build transaction parsing, validation, and broadcasting infrastructure across multiple blockchain protocols
Develop and maintain protocol-specific libraries and abstractions that power Turnkey's transaction management layer
Collaborate effectively across the company to design and deliver core product capabilities
Turnkey is developer-first infrastructure for private key management, making it simple to create wallets, sign transactions, and automate on-chain actions. The team is low-ego, high-agency, and high-autonomy, with significant experience in cryptography, security, and low-level systems.
Implement components across the on-chain transaction lifecycle, including calldata construction, signing requests, and nonce management.
Build new features within the institutional custody signing pipeline, including submission paths and asynchronous transaction handling.
Write comprehensive automated tests for backend services and smart contracts, and participate in an on-call rotation.
Cari is building blockchain-based payment infrastructure that enables real-time, 24/7 movement of digital money across traditional financial institutions and the digital asset ecosystem. As a pre-launch startup, they offer a remote-first environment with close collaboration from an experienced founding and engineering team.
Own end-to-end feature development, shipping production-ready full stack applications with clean, scalable code.
Collaborate cross-functionally with product, design, and engineering teams to define and execute technical solutions.
Contribute to system architecture and technical decision-making across frontend, backend, APIs, and databases.
Jobgether uses an AI-powered matching process to ensure your application is reviewed quickly and fairly. They support hiring for various companies and manage initial candidate screening.
Design, develop, and operate ledger and payments services for accurate crypto and fiat money movement.
Build scalable APIs and data models to support new transaction types while ensuring correctness and auditability.
Partner with cross-functional teams and mentor teammates to deliver production-grade code.
Gemini is a global crypto and Web3 platform founded by the Winklevoss twins, offering secure crypto products in over 70 countries. The publicly traded company emphasizes building diverse teams and fostering an open, fair, and secure cryptoeconomy.
Own the full technical architecture: infrastructure, backend, frontend, smart contracts, and security.
Hire, mentor, and retain a world-class engineering team from early-stage through scale.
Work directly with CEO/founders to translate product vision into technical strategy.
We are a venture-backed startup building foundational infrastructure at the intersection of fintech and blockchain. We are a small, deliberate team in stealth mode, developing a next-generation product.
Design and build highly scalable platform services to improve reliability and performance of the Chainlink Runtime Environment (CRE).
Lead development of production-grade backend services and APIs supporting multiple internal stakeholders and platform consumers.
Drive architectural improvements enabling vertical and horizontal platform scaling while improving workflow execution durability and resilience.
Chainlink is the industry-standard oracle platform bringing capital markets onchain and powering decentralized finance (DeFi). Chainlink Labs, the core developer, is a large global organization with a remote-first culture, tens of billions in transaction value, and partnerships with major financial institutions.
Resolve customer-reported issues quickly and thoroughly, from investigation through to a durable fix.
Diagnose complex, ambiguous problems across services and data pipelines, tracing them to root cause.
Deliver high-quality engineering work that improves the platform and directly addresses customer needs.
VulnCheck delivers structured exploit intelligence on what is actively weaponized in the wild, purpose-built for data lakes, ETL pipelines, automation, and AI workflows. Founded in 2021, the company has a transparent, collaborative, and supportive culture with a team of cybersecurity experts.
Own customer support cases from investigation through resolution, ensuring timely communication and thorough documentation.
Diagnose and resolve issues related to blockchain nodes, RPC endpoints, WebSocket connections, and network performance.
Collaborate with engineering, DevOps, product, and customer success teams to improve service quality and operational processes.
Jobgether is an AI-powered job matching platform that connects candidates with hiring companies. It operates with a flat organizational structure and a collaborative international team, offering flexible remote work and growth opportunities in a rapidly expanding global industry.
Develop and maintain core systems supporting user accounts, payments, and APIs.
Integrate third-party services such as KYC/AML, foreign exchange, and banking aggregators.
Work closely with sales and engineering teams to design and implement solutions for customer needs.
Sphere Pay is a payment platform that provides APIs for managing user accounts and transactions. The company fosters an inclusive and diverse work environment with a focus on engineering excellence.
Build and maintain distributed systems for custody of digital assets, including cash, coins, NFTs, and staking.
Lead medium-to-large projects, breaking down tasks, estimating scope, and ensuring code quality and testing.
Collaborate cross-functionally, mentor team members, and share knowledge to avoid single points of failure.
Anchorage Digital builds a digital asset platform for institutions to participate in crypto through custody, staking, and trading. Founded in 2017, it has over 600 employees and is valued over $3 billion, with a culture focused on security and inclusion.
Own features on web and mobile platforms, including Phantom Extension, Terminal, and mobile app.
Lead initiatives to add support for new blockchains and launch complementary products.
Interface directly with users and developers to collect feedback and inform product direction.
Phantom is a modern money app that combines crypto-powered finance with intuitive tools for managing, spending, and growing money. With a community of 20M+ users and a team of experienced builders, they foster a culture of security, speed, and user experience.
Drive adoption of Chainlink products in capital markets by building relationships with major institutions and providing technical guidance.
Lead requirements gathering, project scoping, and design of innovative solutions using Chainlink for capital markets use cases.
Contribute to product strategy by providing market feedback and collaborating with Sales, Marketing, Product, Engineering, and Legal.
Chainlink is the industry-standard oracle platform bringing capital markets onchain and powering decentralized finance. The team has enabled tens of trillions in transaction value and works with global financial institutions and top protocols.
Build Go backend services that broker wallet creation, authentication, and signing at scale.
Own key recovery and the committee trust model using distributed key generation and secret sharing.
Operate production services on Kubernetes with observability, alerting, and compliance controls.
Offchain is a blockchain scalability and security company that built the Arbitrum stack, powering the most widely adopted Ethereum scaling solution. Backed by $124 million in funding, the team is a small, high-ownership group of thinkers and doers tackling real-world challenges in decentralized systems.
Lead an engineering team responsible for delivering reliable, scalable infrastructure supporting the Data Feeds product.
Partner with Product and technical leadership to translate strategic priorities into well-executed engineering roadmaps.
Provide engineering judgment to support the team in making sound architectural and operational decisions.
Chainlink is the industry-standard oracle platform bringing the capital markets onchain and powering the majority of decentralized finance (DeFi). Since inventing decentralized oracle networks, Chainlink has enabled tens of trillions in transaction value and now secures the vast majority of DeFi.
Own and evolve core features of a non-custodial crypto wallet including transactions, swaps, and bridges.
Lead development of advanced financial products such as crypto cards and IBAN payments.
Collaborate with Product, Design, Backend, and QA teams in a highly autonomous setting.
They are building a non-custodial crypto wallet at the intersection of mobile engineering, fintech, and blockchain. The team is international, product-driven, and operates in a fast-moving environment.