Senior Node.js Backend Architect (Nest.js)

LionHires Recruitment seeks a Senior Backend Developer (Node.js/Nest.js) to own backend design and high-performance platforms in a fintech/igaming context. You will build features from scratch, optimize microservices, and ensure robust, maintainable systems across teams.

You bring 5+ years of web backend experience, with 3+ years on Node.js and Nest.js, plus strong knowledge of REST, GraphQL, and WebSockets. English fluency and CI/CD experience are essential for collaboration across disciplines.