Top Blockchain Developer Jobs

Build software at Coinbase while responsibly using and integrating generative AI copilots (e.g., LibreChat, Gemini, Glean). Continuously learn evolving tools, apply human-in-the-loop practices, and deliver business-ready outputs that improve efficiency, cost, and quality. Participate in quarterly in-person working sessions as part of a remote-first culture.

Lead technical strategy and architecture for Coinbase's Blockchain Platform, overseeing nodes, indexers, wallets, and asset lifecycle. Drive cross-team platform rearchitectures, enforce security and reliability standards, champion AI-driven automation, use observability to improve reliability, and represent the platform to executives to secure alignment and resources for large-scale blockchain infrastructure initiatives.

Own end-to-end delivery of enterprise application features involving full-stack development, blockchain integrations, smart contracts, Web3 infrastructure, transaction workflows, and secure scalable architecture. Responsibilities include coding, testing, deployment, performance optimization, cloud reliability, architectural discussions, code reviews, stakeholder communication, and collaboration with Product, UX, and project management teams.

As a Full-Stack Blockchain Engineer, you'll design and implement products, collaborate with teams, and develop secure solutions within Wormhole's ecosystem.

Build first-party applications on the Tempo blockchain and integrate Tempo into partner payment systems. Work with production-grade blockchain and money-movement flows, ship reliable systems, collaborate with technical and cross-functional stakeholders, travel to partners as needed, and feed field learnings back to improve product and developer experience.

Build first-party applications and integrations on Tempo, work with customers to integrate stablecoin payment flows, iterate on developer experience, and ship reliable, production-grade blockchain systems.

Design, build, and maintain front- and back-end components of a real-time syndicated loan platform. Collaborate with Product and UX, write clean code, implement test automation, optimize performance and scalability, maintain a design system, mentor teammates, and support deployments and infrastructure work.

Perform smart contract and protocol audits, consult with external blockchain teams on remediation, conduct security research, and build internal security tools and methodologies to protect Web3 projects and clients.

Perform guided audits of smart contracts, blockchain protocols, and dApps to identify and remediate vulnerabilities. Contribute to security tooling and research, explore attack vectors, and support process and methodology improvements under senior guidance.

Develop and deliver distributed applications on Ethereum/Blockchain. Write Solidity smart contracts, build blockchain POCs, work on multiple blockchain initiatives, and engage directly with clients and business stakeholders.

Design, develop, deploy and maintain production Rust smart contracts for Stellar (Soroban) and Solana. Lead code reviews, security assessments, CI/CD and testing strategies, integrate contracts with backend/frontend systems, mentor engineers, and participate in incident response and audit readiness for regulated financial environments.

Design, develop, and secure blockchain solutions including smart contracts and DApps. Collaborate with teams to integrate, optimize performance, audit security, document projects, and provide technical support and training.

Design, architect, and build enterprise Java microservices and APIs; lead technical delivery, mentor engineers, implement cloud-native and CI/CD practices, design database schemas and PL/SQL, and develop blockchain/digital-asset solutions including smart contract work and lifecycle integration in financial services.

Design and build Java-based, messaging and microservice applications. Lead API design, cloud/container solutions (Docker, Kubernetes, AWS/Azure), CI/CD, and relational database development (DB2/Oracle). Provide technical leadership, mentoring, code reviews, and resolve cross-technology roadblocks. Work on blockchain and digital asset solutions (Ethereum, Solana) and smart contracts (Solidity, Rust, Move) within financial services.

Lead ownership of Groma's on‑chain stack: design, build, deploy, and maintain smart contracts on EVM networks and integrate them with backend (Django/Python, Postgres, Google Cloud) and frontend (React/TypeScript). Act as the first full‑time blockchain hire, work cross‑functionally with stakeholders, and guide technical direction while moving quickly in a startup environment.

As a Staff Backend & Platform Engineer, you'll design and operate identity management, financial operations systems, and blockchain infrastructure, ensuring high reliability and security.

As a Senior Backend & Platform Engineer, you'll design and operate critical systems in identity management, financial operations, and blockchain infrastructure while leading projects and mentoring engineers.

Develop blockchain with high security and scalability, operate a network, and optimize requests while managing costs.

Design, develop, and maintain enterprise-wide blockchain systems and applications. Build and test smart contracts, evaluate hardware-software interfaces, apply cryptography and P2P principles, document testing and maintenance, and propose technical solutions within an Agile team.

Senior hands-on engineer responsible for production-ready blockchain platform architecture, smart contract development, multi-chain integrations (EVM and non-EVM), secure transaction lifecycles, wallet and RPC integrations, RBAC, audit logging, monitoring, treasury and payout workflows, and compliance/security controls working with the technical lead and founders.

Provides free training and internship with guaranteed placement in Appian, RSA Archer, RPA, Mulesoft, Blockchain, BA and QA roles. Supports OPT/CPT/EAD/H1/GC candidates, offers H1/GC processing, resume/interview coaching, and placement with Fortune 1000 clients.