Node.js Developer

Kumaran Systems; Chennai; A distancia; INR 900.000 - 1.300.000; Jornada completa

Descripción de la vacante

Kumaran Systems is seeking a backend engineer to design and maintain secure, scalable REST APIs and middleware in a remote India setting. You will model data with MongoDB/Mongoose, implement JWT-based auth, and ensure robust error handling and testability.

You will integrate with internal and external systems using Axios, implement TLS/SSL, work with API gateways, and contribute to CI/CD with Jenkins, Git, and SonarQube.

Formación

• Proficiency in building RESTful APIs with Express.js and middleware.
• Experience with MongoDB/Mongoose for data modeling and queries.
• Implementing JWT-based authentication and role-based access control.
• Secure coding practices: validation, error handling, logging, audit trails, and consistent API responses.

Responsabilidades

• Own design and maintenance of secure, scalable REST APIs and middleware.
• Model and manage data using MongoDB and Mongoose (schemas, indexes, queries, transactions).
• Integrate with internal/external systems using Axios/HTTP clients, TLS/SSL, API gateways.

Conocimientos

Express.js

REST API design

JWT authentication

MongoDB & Mongoose

Axios integration

Secure coding practices

Herramientas

MongoDB

Mongoose

TLS/SSL

Azure API Management

Busboy/GridFS

Jest

Git

Jenkins

Artifactory

SonarQube

Fortify

Black Duck

Descripción del empleo

Timing: 1:00 PM – 10:00 PM IST

Work Mode: Remote

Key Responsibilities

• Own the design and maintenance of secure, scalable REST APIs and middleware.
• Model and manage data using MongoDB and Mongoose (schemas, indexes, queries, transactions).
• 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:

• 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.
• 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.