Location: European or Asian Time Zone

The Role

As a Senior DeFi Engineer, you'll be at the forefront of designing, deploying, and maintaining cutting-edge DeFi infrastructure and products in the realm of stablecoins, staking, liquidity, and cross-chain flows. You'll act as a technical leader in DeFi engineering, bridging protocol development, security, and trading infrastructure to deliver systems that expand Ethena's market impact while safeguarding user and treasury assets.

You'll work closely with our Security Engineering and Trading & Risk Engineering teams to integrate market data, liquidity signals, and execution systems into DeFi flows. Your work will enable safe automation of mint/redeem operations, LP strategies, and governance-controlled vaults while maintaining world-class security, scalability, and reliability.

What You'll Do

Architect and deliver core DeFi protocols: including staking, stablecoin integrations, and liquidity systems, ensuring deployments are secure, gas-efficient, and aligned with product roadmaps
Lead cross-chain infrastructure development in bridging, messaging, LayerZero/LZCompose, and paymasters to ensure seamless UX with high reliability across supported chains
Partner with Security Engineering to design and deliver modern, robust multisig/on-chain monitoring and tooling solutions
Enforce robust security practices by implementing audits, fuzzing, invariant testing, and incident playbooks with 100% patching of high-severity issues within industry timelines
Collaborate with Trading & Risk Engineering to integrate market data, liquidity signals, and execution systems into DeFi flows, enabling safe automation of critical operations
Own end-to-end lifecycle of DeFi products from whitepaper/spec to contract implementation, deployment, monitoring, and upgrades while maintaining 99.9% uptime for critical contracts
Drive innovation in stablecoin infrastructure by delivering new products in partnership with external stakeholders
Mentor junior and senior engineers, raising the team's DeFi depth and execution velocity while documenting learnings and establishing reusable frameworks

What We're Looking For

DeFi Protocol Expertise: Deep knowledge of smart contract patterns, staking, AMMs, stablecoins, bridges, governance, and liquidation mechanics
EVM Smart Contract Development: Proficiency in Solidity and EVM patterns with experience in advanced tools (Foundry, Tenderly, Slither, Echidna)
Solana Smart Contract Development: Proficiency in Rust and Solana patterns with experience in advanced tools (Anchor, SPL)
System Design & Architecture: Ability to design scalable, gas-efficient, and upgradeable DeFi systems that balance modularity with reliability
Security-First Engineering: Experience anticipating vulnerabilities and applying formal verification, audits, fuzzing, and invariant testing
Cross-Chain Infrastructure: Practical experience with messaging protocols (LayerZero, Axelar, native bridges), paymasters, and multi-chain state sync

Senior/Staff DeFi Engineer

Anywhere in the world

Remote

Senior

Ethena Labs