Node Js Backend Developer

Job Description

Role & responsibilities We're looking for a highly skilled and self-driven Node.js Software Development Engineer (SDE-2) to join our team on a contract basis. Youll be responsible for building scalable backend services and APIs that power our products, with a focus on performance, security, and reliability. As an SDE-2, youre expected to take ownership of features end-to-end, mentor junior developers when needed and contribute to architectural discussions. Key Responsibilities Design, build, and maintain RESTful, gRPC and/or GraphQL APIs using Node.js Write clean, modular, and testable code Collaborate closely with product managers, frontend engineers, and DevOps Optimize existing codebases for performance and scalability Integrate with third-party services and internal microservices Participate in code reviews and ensure coding best practices are followed Write unit and integration tests (e.g., using Jest, Mocha, etc.) Preferred candidate profile 35 years of experience building production-grade backend applications Strong proficiency in Node.js (Express.js, NestJS, or similar frameworks) Solid understanding of JavaScript/TypeScript Experience with MongoDB, PostgreSQL, or MySQL Experience building APIs that scale — rate limiting, caching, pagination, etc. Good understanding of async patterns (Promises, async/await, queues) Familiarity with CI/CD, Git workflows, and containerized deployments (Docker) Experience working with cloud services (AWS/GCP/Azure) Nice to Have Experience with microservices architecture Familiarity with message brokers (Kafka, RabbitMQ, etc.) Experience working in Agile or Scrum teams Contributions to open-source or tech blogs