Node Developer

We are seeking a Node.js
Backend Developer with 4-7 years of experience to design, develop,
and maintain secure, scalable backend applications and RESTful APIs. The ideal
candidate will have strong expertise in Node.js, Express.js, MongoDB, and
JavaScript. 

 Key
Responsibilities

• Design, develop, and enhance backend services
  using Node.js, JavaScript, and Express.js.
  
• Own the design and maintenance of secure,
  scalable REST APIs and middleware.
  
• Model and manage data using MongoDB and
  Mongoose (schemas, indexes, queries, transactions).
  
• Implement and maintain
  authentication/authorization with JWT, secure cookies, sessions, roles,
  and permissions.
  
• Enforce secure coding practices: validation,
  error handling, logging, audit trails, and consistent API responses.
  
• Integrate with internal/external systems using
  Axios/HTTP clients, TLS/SSL, and API gateways (e.g., Azure API
  Management).
  
• Handle secure file upload/download flows (Busboy,
  MongoDB GridFS) with proper validation and sanitization.
  
• Write and maintain unit and integration tests
  using Jest; help improve test coverage and reliability.
  
• Collaborate with DevOps teams on CI/CD pipelines
  (Jenkins, Git, Artifactory, SonarQube, Fortify, Black Duck).
  
• Incrementally refactor and modernize legacy code
  while preserving business functionality.
  

Mandatory Technical Skills & Experience:

·       Strong
hands-on experience with Node.js and modern asynchronous JavaScript (Promises,
async/await).

·       Deep
experience with Express.js (routing, middleware, validation, centralized error
handling).

·       Proven
track record building and consuming RESTful APIs in production environments.

·       Practical,
hands-on experience with MongoDB and Mongoose.

·       Experience
implementing JWT-based authentication and role-based access control.

·       Good
understanding of web security: secure cookies, session management, CSRF, CORS,
token lifecycle, and common vulnerabilities (OWASP).

·       Experience
integrating downstream APIs using Axios or similar HTTP clients.

·       Experience
with TLS/SSL certificates, timeouts, resilience patterns, and troubleshooting
service-to-service communication.

·       Experience
writing unit tests with Jest, including mocks and async test cases.

·       Working
knowledge of Git workflows and CI/CD pipelines.