GraphQL API Engineer - Node.js Specialist

Quantum Technologies. LLC in Sunnyvale, CA seeks an experienced Software Developer specializing in GraphQL and Node.js to design, develop, and optimize scalable APIs and microservices. The role focuses on schema design, federation or stitching, performance optimization with DataLoader, and robust backend integration across databases and REST/gRPC services. Collaboration with frontend teams and ongoing CI/CD improvements are essential.