Node Developer

Kumaran; Chennai; In loco; INR 1.200.000 - 1.800.000; Tempo pieno

Descrizione del lavoro

Kumaran Systems is seeking an experienced backend engineer to design, secure, and scale REST APIs, middleware, and data models using MongoDB/Mongoose. You will implement JWT-based authentication, integrate downstream services via Axios, and uphold secure coding practices throughout the software lifecycle.

You will work with DevOps on CI/CD pipelines and ensure reliable test coverage with Jest while modernizing legacy code to support AI-led transformations across industries.

Competenze

• ,

Mansioni

• 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.

Conoscenze

Express.js

REST APIs

MongoDB

Mongoose

JWT authentication

Axios

Unit testing with Jest

Git workflows

CI/CD pipelines

Security practices

Strumenti

Jenkins

Git

Artifactory

SonarQube

Fortify

Black Duck

Descrizione del lavoro

Kumaran Systems: Engineering Future-Ready Transformations Since 1992, Kumaran Systems has been helping enterprises bridge the past and the future, reimagining legacy systems and embracing AI-led possibilities. With over 34 years of delivery excellence, we specialise in re-engineering core applications, driving cloud transformation, and building automation-first, GenAI-enabled ecosystems across the Banking and Financial Services, Insurance, Telecom, and Automotive sectors. We help organisations not just upgrade their systems but reimagine what’s possible.

Why Kumaran?

We blend engineering discipline with AI innovation, helping clients modernise with confidence, automate with clarity, and scale with purpose. Our global delivery model ensures agility, responsiveness, and seamless collaboration, with clients always at the heart of every engagement. At Kumaran, we don’t just solve problems, we engineer future‑ready transformations.

Job Description

KeyResponsibilities

• Own the design and maintenance of secure,scalable REST APIs and middleware.
  
• Model and manage data using MongoDB andMongoose (schemas, indexes, queries, transactions).
  
• Enforce secure coding practices: validation,error handling, logging, audit trails, and consistent API responses.
  
• Integrate with internal/external systems usingAxios/HTTP clients, TLS/SSL, and API gateways (e.g., Azure APIManagement).
  
• Handle secure file upload/download flows (Busboy,MongoDB GridFS) with proper validation and sanitization.
  
• Write and maintain unit and integration testsusing 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 codewhile preserving business functionality.
  

Mandatory Technical Skills& Experience:

• Deepexperience with Express.js (routing, middleware, validation, centralized errorhandling).
• Proventrack record building and consuming RESTful APIs in production environments.
• Practical,hands-on experience with MongoDB and Mongoose.
• Experienceimplementing JWT-based authentication and role-based access control.
• Experienceintegrating downstream APIs using Axios or similar HTTP clients.
• Experiencewith TLS/SSL certificates, timeouts, resilience patterns, and troubleshootingservice-to-service communication.
• Experiencewriting unit tests with Jest, including mocks and async test cases.
• Workingknowledge of Git workflows and CI/CD pipelines.

Kumaran Systems is an Equal Opportunity Employer and does not discriminate on the basis of race or ethnicity, religion, sex, national origin, age, veteran disability or genetic information or any other reason prohibited by law in employment.