Build and maintain secure blockchain applications across custody contracts, transaction signing, orchestration, and key management. Own features end to end, contribute to technical design, coordinate delivery, review code, investigate production issues, and collaborate with neighboring systems. The role requires strong blockchain and cryptography knowledge, automated testing, AI coding assistant experience, clear communication, and the ability to work remotely across U.S. or Canada.

Build and ship full-stack software across TypeScript/Node.js back-end and React front-end systems. Responsibilities include fixing bugs, developing features, adding tests, addressing technical debt, reviewing AI-generated code, tracing requests across services and databases, participating in Scrum ceremonies, collaborating with Product, QA, and UX, and resolving QA/UAT issues with senior-engineer support.

Own full-stack software epics from product handoff through release, including story development, technical design, implementation, testing, code review, demonstrations, and production issue resolution. Build TypeScript and Node.js backend services and React frontend features. Collaborate with Product, QA, UX, and senior engineers, participate in Scrum ceremonies, communicate risks, and use AI coding tools responsibly.