Full Stack Engineer

About the Role You will design, build, and operate full-stack features spanning backend services that interact with on-chain protocols and frontend interfaces. You will implement reliable indexing and processing pipelines, integrate with DeFi protocols, and contribute to React-based UIs. You will scope, ship, and maintain production services with a focus on reliability and correctness for financial flows.

Requirements 5–10 years of professional software engineering experience owning and shipping full-stack products Strong proficiency in Python with working knowledge of JavaScript Hands-on experience building and deploying Web3 applications such as DeFi protocols, dApps, or blockchain infrastructure Comfortable working in React codebases and contributing to frontend features Experience designing and operating backend systems: REST, GraphQL, microservices, message queues, relational and NoSQL databases Comfort with blockchain tooling such as Web3.js, Ethers.js, Viem, Solidity, smart contract ABIs, and on-chain data indexing Strong opinions on code quality, testing, and system design with experience building maintainable systems Bias toward action and ownership; able to move fast while maintaining correctness

Responsibilities Design and implement backend services in Python that interface with on-chain protocols, indexers, and third-party APIs Own the integration layer between systems and DeFi protocols including vault interactions, liquidity routing, and cross-chain operations Build and maintain on-chain data indexing and processing pipelines that power product features Architect and build features from database schema to API layer across prime brokerage and yield platforms Contribute to frontend features in React and JavaScript when needed Drive technical decisions on system architecture, API design, and data modeling Instrument, monitor, and optimize services for reliability at scale

Benefits Health insurance Dental insurance Vision insurance 401(k) plan Unlimited PTO Hybrid work (East Coast time zone preferred) Multiple team offsites and retreats per year Token budget for AI tools Funding Investors Web3 Developer Bitrefill · 1 day ago Senior Full Stack Engineer (Checkout) LI.FI · 1 week ago Senior Software Engineer CoinDesk · 1 week ago Software Engineer VIA Science, Inc. · 1 week ago Senior Software Engineer, Account Onboarding & Management (Full Stack) Reap · 2 weeks ago Funding Investors Web3 Developer Bitrefill · 1 day ago Senior Full Stack Engineer (Checkout) LI.FI · 1 week ago Senior Software Engineer CoinDesk · 1 week ago Software Engineer VIA Science, Inc. · 1 week ago Senior Software Engineer, Account Onboarding & Management (Full Stack) Reap · 2 weeks ago