Yei Finance

Senior Smart Contract, Backend Engineer

Yei Finance

full-time

Posted on:

Location Type: Remote

Location: Anywhere in Asia

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Job Level

Senior

Tech Stack

Distributed SystemsGoPythonSolidity

About the role

  • Design, develop, and optimize DeFi protocols on EVM-compatible chains, emphasizing contract architecture, security, gas optimization, and upgradability
  • Develop key backend and off-chain services in Go or Python, including monitoring systems, liquidation bots, and liquidity rebalancers
  • Tackle cross-chain integration challenges, ensuring atomicity, data consistency, and reliable asset bridging in an asynchronous environment
  • Rapidly iterate in an Agile environment and produce robust documentation and system architecture diagrams

Requirements

  • 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
Benefits
  • Competitive salary and token allocation
  • Fully remote setup with autonomy and flexible hours
  • Play a direct role in building 0→1 products
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
SolidityGoPythonsmart contract developmentEVM-compatible chainsgas optimizationcontract architecturehigh-concurrency systemsdistributed systemsmathematical models
Soft Skills
Agile methodologydocumentationsystem architecture