Smart Contract Engineer
Institutional-grade infrastructure for embedded on-chain financial products, including branded stablecoin issuance, stablecoin movement, and yield activation.
Maintainer signals as of 9/25/2026
Funding history
Projects
About Paxos Labs
Paxos Labs provides enterprise infrastructure that enables fintechs, enterprises, and crypto-native teams to build, launch, and scale embedded on-chain financial products. Its current platform supports branded stablecoin issuance through Mint, stablecoin orchestration across networks through Transit, and yield activation on stablecoin balances through Earn, with compliance, reserve, routing, monitoring, and configurable program controls.
Skills
Candidate Availability
Required and preferred rules are kept separate and reflect the wording in the original posting.
About the Role
Join Paxos Labs's experienced smart contract team to scale DeFi protocol infrastructure for enterprise onchain financial products. The role focuses on DeFi yield strategies, tokenization, decentralized lending, vaults, protocol design, Solidity development, and comprehensive testing.
Requirements
- Deep knowledge of lending codebases including Compound, Aave, Morpho Blue, MakerDAO, Euler, EVC, Liquity, and Pendle.
- Deep knowledge of vault codebases including Yearn V3, Metamorpho/Morpho V2, BoringVaults, ERC7540, and Centrifuge.
- Familiarity with AMMs or solver networks such as CoW Protocol, UniswapX, 1inch, and Uniswap V3/V4.
- Familiarity with RFQs and off-chain exchange systems, including TradFi.
- Experience shipping production Solidity smart contract code to mainnet.
- Experience developing and maintaining unit, fork, fuzzing, and invariant tests using tools such as Foundry invariants or Echidna.
- Experience with Foundry or Hardhat.
- Familiarity with Vyper, Rust, Cairo, or CosmWasm.
- Experience as an active user, investor, or participant in DeFi protocols.
- Nice-to-haves include CTFs, gas golfing, hackathons, rollups, node operations, rollup design, and zero-knowledge proofs.
Responsibilities
- Research and design novel protocol mechanisms around vaults, lending, and other DeFi primitives.
- Lead protocol design decisions while considering trust-assumption and efficiency tradeoffs.
- Develop Solidity contracts and produce comprehensive protocol test suites.
- Maintain exemplary organizational and security standards for an open source codebase.
Benefits
- Continuous learning and professional development.
- Opportunities for personal career advancement.
- Competitive salary and participation in ownership structures.
- Work on impactful crypto solutions for enterprise financial products.
- Fast-paced, agile environment where ideas and contributions are valued.
Hiring Process
Submit an application; the team will contact applicants if interested.
