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Solidity Smart Contract Engineer at MLabs. Smart Contract Developer - Institutional DeFi Protocol . Location: . Remote - US only (preference for onsite/hybrid in LA). Compensation: . $160K - $180K. We are an . on-chain financial infrastructure company. backed by leading VCs, committed to . upgrading financial markets through 24/7 instant settlement. . Our first product is an institutional-grade smart contract protocol that facilitates interoperability and liquidity across tokenized financial assets and stablecoins. We are seeking a . Smart Contract Developer. to join our core engineering team and build the foundational infrastructure that bridges traditional finance (TradFi) and decentralized finance (DeFi).. This is a high-impact, hands-on role where you will design, develop, and deploy highly secure, robust smart contracts for our core protocol. You will architect on-chain logic, optimize gas efficiency, and ensure best-in-class security practices to enable institutional-grade DeFi operations. You will work within a small, senior team, collaborating closely with security auditors, product, and business stakeholders.. Key Responsibilities:. Smart Contract Development:. Design, develop, test, and deploy secure smart contracts in . Solidity. for the core protocol, utilizing development frameworks like . Foundry. .. DeFi Primitives:. Implement complex DeFi primitives, including liquidity pools, cross-chain bridges, access control mechanisms, and institutional-grade financial logic.. Protocol Architecture:. Architect scalable, modular smart contract systems, designing . upgradeable contract patterns. and governance mechanisms for protocol evolution.. Security & Auditing:. Conduct thorough internal security reviews and work closely with . external auditors. to address findings, proactively identifying and mitigating potential vulnerabilities.. Quality Assurance:. Write . comprehensive unit, integration, and fuzzing tests. for all smart contract code, contributing to rigorous code reviews.. Cross-Chain Work:. Implement cross-chain messaging protocols and bridge integrations to enable multi-chain liquidity flows.. Hands-On Engineering:. Actively write and deploy smart contract code to mainnet and testnets, monitor deployed contracts, and troubleshoot issues in production environments.. Experience:. . 3+ years of experience. developing and deploying . production-ready smart contracts in Solidity. .. Security Track Record:. Proven track record of . shipping secure, battle-tested contracts. that handle significant value.. EVM Expertise:. . Expert-level proficiency in Solidity. and a deep understanding of the . EVM. .. Security Knowledge:. Strong knowledge of smart contract security best practices, common vulnerabilities (reentrancy, front-running), and mitigation strategies.. Tooling:. Proficiency with development frameworks such as . Foundry and Hardhat. , and testing tools (Echidna, Slither).. DeFi Domain:. Experience with . DeFi protocols. (AMMs, lending, yield aggregators) is highly preferred.. Soft Skills:. . Maniacal attention to detail. , clear communicator, strong problem-solving abilities, and an entrepreneurial mindset suited to early-stage environments.. Preferred Experience (Nice-to-Haves):. Familiarity with . cross-chain protocols. and bridge architectures.. Familiarity with Web3 libraries (ethers.js, viem) for contract interaction.. Knowledge of gas optimization techniques and upgrade patterns (proxy, diamond).. Knowledge of . Rust. or other systems programming languages.. Company Location: United States.