Smart Contract Developer
About the Role
We are working with a client seeking a skilled Smart Contract Developer for a full-time, direct hire opportunity. This is a fully remote position open to candidates across the United States.
Responsibilities
• Design, develop, test, and deploy secure smart contracts across EVM-compatible and non-EVM blockchain networks
• Conduct thorough smart contract audits and security reviews to identify and remediate vulnerabilities
• Build and maintain decentralized application infrastructure including on-chain logic and off-chain integrations
• Collaborate with product, engineering, and security teams to translate business requirements into reliable on-chain solutions
• Develop and maintain comprehensive test suites for all smart contract code
• Optimize smart contracts for gas efficiency, security, and scalability
• Integrate smart contracts with front-end applications using Web3 libraries
• Monitor deployed contracts and respond to on-chain events and incidents
• Stay current on evolving blockchain standards, protocols, and security best practices
Requirements
• 3+ years of experience in smart contract development
• Expert-level proficiency in Solidity and experience with the EVM
• Strong experience with smart contract development frameworks — Hardhat, Foundry, or Truffle
• Proficiency with Web3 integration libraries — Ethers.js or Web3.js
• Deep understanding of common smart contract vulnerabilities — reentrancy, front-running, overflow, access control issues
• Experience with DeFi protocols, token standards (ERC-20, ERC-721, ERC-1155), and on-chain governance mechanisms
• Solid understanding of cryptographic principles and consensus mechanisms
• Strong testing discipline and familiarity with formal verification concepts
• Excellent documentation and communication skills
Nice to Have
• Experience with non-EVM chains such as Solana (Rust), Cosmos, or Polkadot
• Familiarity with Layer 2 scaling solutions — Polygon, Arbitrum, Optimism, or zkSync
• Experience with oracle integrations such as Chainlink
• Knowledge of tokenization of real-world assets and institutional blockchain applications
• Familiarity with regulatory and compliance considerations in digital asset environments
• Prior smart contract audit experience or bug bounty participation
• Contributions to open-source Web3 projects
Compensation
$140,000 — $185,000 base salary depending on experience. Full benefits package available.
Location
Fully remote — United States.