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Flow · 2 weeks ago

DeFi Engineer

United States

Full-time

Remote

Mid, Senior Level

Flow is a layer one blockchain designed for Web3 apps and digital assets. As a DeFi Engineer, you will drive decentralized finance innovation on Flow by building protocols, collaborating with Web3 teams, and enhancing existing systems.

BlockchainInternet

Hiring Manager

Anil Puli

Responsibilities

Build & ship DeFi primitives – Design, implement, and audit smart contracts for AMMs, lending markets, liquid staking, cross-chain bridges, yield strategies, and novel financial instruments

Expand DeFi partnerships – Collaborate with leading Web3 teams to port or co-create protocols on Flow, guiding them through architecture, security, and launch

Level-up existing protocols – Profile on-chain activity, identify UX or economic friction points, and deploy improvements that increase capital efficiency and TVL

Prototype future-state concepts – Explore account abstraction–enabled UX (e.g., gasless transactions, passkeys) and multi-VM composability to invent the next generation of DeFi experiences

Advocate & educate – Publish reference implementations, write deep-dive blog posts, speak at conferences, and mentor community devs to demystify DeFi on Flow

Security first – Own end-to-end security: formal verification, fuzzing, audits, monitoring, and rapid incident response

Qualification

DeFi expertiseSmart contract developmentWeb3 experienceSmart contract securityAccount abstractionFormal verificationCuriosity for emerging primitivesEffective communication

Required

Software engineering experience focused on Web3/DeFi (Solidity, Move, Cadence, Rust, etc.)

Hands-on experience shipping and maintaining at least one major DeFi protocol (AMM, lending, bridge, LST, derivatives, etc.) to mainnet

Strong grasp of smart-contract security patterns, economic/game-theoretic exploits, and incident triage

Comfort working across the stack: writing Cadence contracts, scripting deployments, instrumenting on-chain analytics, and contributing to dApp front-end

Curiosity for emerging primitives (restaking, intent-based execution, L2 interoperability) and the creativity to adapt them to Flow's architecture

Effective communicator who can translate complex technical ideas to diverse stakeholders