Senior Node.js Backend Engineer - APIs & Microservices

Quantum Technologies LLC is seeking a highly experienced Node.js Developer to design, develop, test, and maintain scalable backend applications and APIs. You will collaborate with frontend teams, product managers, and designers to deliver reliable software solutions. The role requires strong expertise in Express.js, NestJS or Fastify, and a solid background in RESTful API design, databases, and security best practices. Expect exposure to modern cloud and CI/CD environments.