Smart Contract Engineer

Pact Labs • San Francisco, CA

74d

About The Position

We're seeking an experienced Smart Contract Engineer to help us build the future of on-chain credit. In this role, you'll architect, implement, and test smart contracts that power decentralized lending infrastructure.

Requirements

• 2+ years of professional smart contract development experience (Solidity, Move, or similar languages)
• Deep understanding of blockchain fundamentals, consensus mechanisms, and DeFi protocols
• Proven ability to write secure, well-tested smart contract code with attention to edge cases
• Strong communication skills—you can explain complex technical concepts to non-technical stakeholders
• Track record of writing clear, maintainable technical documentation
• Degree in Computer Science, Mathematics, Engineering, or equivalent practical experience

Nice To Haves

• Experience with Move language in production environments
• Background in traditional finance, private credit, or lending protocols
• Familiarity with formal verification tools and security audit processes
• Contributions to open-source blockchain projects

Responsibilities

• Design, develop, and maintain Move smart contracts on Aptos with a focus on security, efficiency, and scalability
• Write comprehensive technical documentation for both internal teams and external developers
• Collaborate with backend engineers, product managers, and security auditors to integrate on-chain loan logic with off-chain services
• Conduct thorough testing and code reviews to identify vulnerabilities and optimize gas efficiency
• Monitor deployed contracts and respond to security concerns or performance issues

What This Job Offers

• Education Level: Bachelor's degree