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Polymarket · 5 months ago

Smart Contract Engineer

United States

Full-time, Contract

Remote

Mid Level

4+ years exp

Polymarket is the world’s largest prediction market, rapidly growing in volume and adoption as an alternative news source. They are seeking an experienced Smart Contract Engineer to design, build, and ship secure smart contracts while collaborating with a top-tier engineering team to enhance protocol functionality and address security challenges in DeFi.

CryptocurrencyFinancial ServicesPrediction MarketsPredictive Analytics

Responsibilities

Build secure, battle-tested smart contracts. You’ll design, implement, and deploy Solidity-based contracts that are both elegant and hardened against exploits

Level up the protocol. Contribute to protocol-level infrastructure, tooling, and new features that directly impact millions of users

Respond to real-world challenges. Investigate vulnerabilities, simulate attack scenarios, and develop effective mitigation strategies

Review and refine. Participate in rigorous code reviews to ensure quality, security, and maintainability

Stay ahead of the curve. Keep up with the latest EVM developments, tooling, and best practices—and bring that knowledge back to the team

Mentor and collaborate. Share your expertise with other engineers and work closely across product, design, and operations to bring ideas to life

Qualification

SolidityEVM understandingDeFi protocolsSecurity mindsetProblem-solvingPrediction marketsFormal verification toolsOpen-source contributionsMultiple EVM chainsCommunication skills

Required

4+ years of experience writing and deploying Solidity smart contracts in production

Strong understanding of the EVM, DeFi protocols, and decentralized application architecture (including decentralized exchanges – Uniswap V2 + V3, Uniswap X, dYdX v4, etc.)

A security-first mindset, with an obsession for catching vulnerabilities before they're exploited

A track record of delivering high-quality, reliable code in fast-moving environments

A passion for DeFi, Ethereum, and building at the bleeding edge of web3

Excellent problem-solving and communication skills