Job Description
Architect and implement smart contracts for payment protocols, tokenization, and settlement on ZK Sync. Write production-ready Solidity code for core financial contracts, multi-signature wallets, and token standards. Conduct formal verification, invariant testing, and advanced security reviews to ensure contract safety. Use Foundry for testing, fuzzing, and deployment automation. Build TypeScript/Node.js integration services connecting contracts with backend systems (via WebSockets/webhooks). Lead technical decision-making around gas optimization and ZK rollup implementation strategies. Establish internal standards for documentation, testing, and deployment. Collaborate with stakeholders to align compliance requirements with decentralized design principles.
About Fintech Startup
This early-stage fintech startup is developing a blockchain-based payment system designed to enable real-time, 24/7 movement of digital money.