Senior Smart Contract Engineer

Remote Full-time
Read before applying
- We are accepting candidates in the following time zones: EU, North America, and LATAM
- When you apply, include examples of your work (GitHub, audits, blog posts, etc.)
About the Role
We're seeking a Smart Contract Engineer to join our team in developing next-generation DeFi infrastructure. You'll be working on the design and implementation of innovative lending protocols and decentralized exchanges (DEXes). You'll collaborate on architecture, write production-grade Solidity code, run rigorous testing and fuzzing campaigns, and be involved in internal security audits.
We're looking for someone who is self-driven, proactive, and ready to take ownership of the features they build from ideation to deployment.
What You'll Do
Design and implement core smart contracts for lending and DEX protocolsWrite high-quality, gas-efficient, and secure Solidity codeOwn end-to-end delivery of features and protocol upgradesMaintain a production protocol with $500M+ TVL and ensure smooth deploymentsLaunch and configure new lending markets on-chainWrite comprehensive test suites using FoundryDesign and run fuzz testing campaigns using EchidnaParticipate in internal audits and contribute to the security posture of the protocolCollaborate closely on protocol architecture and product designWork with Certora on formal verification tasks
Requirements
3+ years of experience developing smart contracts in SolidityStrong proficiency with Foundry (including scripting, tests, forks)Experience with Echidna or other fuzz testing frameworksSolid understanding of smart contract security and common attack vectorsSelf-motivated and able to work autonomously and drive features forwardStrong communication and problem-solving skills
Nice to Have
Experience with formal verification tools such as Certora Prover Past contributions to lending protocols or decentralized exchangesFamiliarity with Ethereum L2s or alternative EVM chainsOpen-source contributions or audit reports you can share
What We Offer
Work on cutting-edge DeFi infrastructure with a tight-knit, experienced team.Flexible hours and remote-first culture.High impact and ownership from day one.Competitive compensation in stablecoin in addition to a generous token allocation
If you're excited about building secure, efficient, and elegant smart contracts and want to help shape the future of DeFi, we'd love to hear from you.


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