Top Tech Jobs & Startup Jobs in NYC, NY

Design, prototype, and productionize Uniswap v4 hooks across markets. Own hook lifecycle from spec to audited mainnet deployment, publish reference implementations, build integration SDKs/simulators, ensure security with fuzzing/formal methods, and collaborate on metrics and adoption with aggregators and data teams.

Design, implement, and optimize Solidity smart contracts; participate in technical design discussions and code reviews; prototype DeFi primitives and integrations; provide guidance to external developers; implement unit and fuzz tests and gas optimizations; build SDK abstractions, indexers, and periphery tooling for the protocol and ecosystem.

Lead platform strategy and architecture for a growing backend platform. Drive reliability, observability, and scalability improvements, mentor engineers, establish best practices, and build backend services and platform tooling in partnership with cross-functional teams.

Lead architecture and development of secure, compliant financial systems (payments, billing, ledgers). Drive bank and processor integrations, ensure transaction integrity and observability, lead incident response, mentor senior engineers, and evaluate payment and AI technologies to improve customer and operational outcomes.