About the company
Who We Are: Ethena Labs is building the first ETH based yield-bearing synthetic dollar. Arthur Hayes is a founding advisor and the team has deep experience across traditional finance and crypto engineering from firms such as Cerberus, Wintermute, Flow Traders, Deribit, Paradigm, Aave, Blockdaemon and Kaiko. We are backed by every major exchange and trading entities in the space. What we are Doing: We are building derivative infrastructure to enable Ethereum to transform into the Internet Bond via delta-neutral derivatives positions, to create the first crypto-native, yield bearing synthetic dollar: sUSDe. We believe creating a synthetic dollar which is not reliant on existing banking infrastructure is the single most important problem to solve and largest opportunity in crypto today. USDe will form the first part of a broader ecosystem of products we are building including fixed and floating rate internet bonds and composable repo leveraged markets.
Job Summary
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 (Foundry, Tenderly, Slither, Echidna) 📍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
If you’re passionate about blockchain and decentralized technologies, explore more opportunities in web3 and cryptocurrency careers.
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