LazyApply

2 months ago

Full-time

Senior

Software Engineer

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Yei Finance is a decentralized, non-custodial money market protocol built on the Sei network, offering innovative financial solutions such as competitive yield, borrowing options, and risk management tools.
The company has achieved significant milestones, including over $400M TVL and launching multichain products.
The opportunity involves leading the design and development of a cross-chain lending protocol, focusing on smart contract security, architecture, and off-chain services.
Responsibilities include developing DeFi protocols on EVM-compatible chains, backend services in Go or Python, and tackling cross-chain integration challenges.
The ideal candidate is startup-oriented, mission-driven, collaborative, quality-focused, and autonomous.
Qualifications include 3+ years in Solidity smart contract development, proficiency in Golang or Python, deep understanding of DeFi models, and familiarity with development tools like Hardhat or Foundry.
Nice-to-haves include experience with cross-chain messaging protocols, MEV strategies, security, open-source contributions, and Web3/DeFi ecosystems.
Benefits include a competitive salary and token allocation, fully remote setup with flexible hours, and the chance to build innovative products.
The hiring process involves multiple interview stages.

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3+ years of smart contract development experience in Solidity, including familiarity with OpenZeppelin standards, Mainnet deployments, and audit collaboration
Proficiency in Golang or Python, with a proven track record in developing high-concurrency or distributed systems
Deep understanding of the mathematical models and business logic behind DeFi protocols (lending, AMMs, or derivatives)
Mastery of development tools: Hardhat / Foundry and related testing frameworks
Solid grasp of EVM internals, storage, memory, gas, and transaction lifecycle

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