Node Js Developer

Role & responsibilities

• Design, develop, and maintain

  RESTful/GraphQL APIs

  using

  Node.js

  (Express/NestJS/Hapi).
• Build scalable

  microservices

  architecture with proper observability (metrics, logs, tracing).
• Own end-to-end backend features: requirements, design, development, testing, deployment.
• Work with databases:

  PostgreSQL/MySQL

  (RDBMS) and

  MongoDB

  (NoSQL), design schemas, indexes, and optimize queries.
• Implement

  caching

  (Redis/Memcached) and

  message queues

  (Kafka/RabbitMQ/SQS) for performance and reliability.
• Ensure

  security best practices

  : OAuth2, JWT, OWASP Top 10, input validation, rate limiting.
• Containerize services with

  Docker

  , orchestrate with

  Kubernetes

  , and deploy on

  AWS/Azure/GCP

  .
• Set up and maintain

  CI/CD pipelines

  (GitHub Actions/GitLab CI/Jenkins), automate testing and deployments.
• Write unit/integration tests (Jest/Mocha/Chai/Supertest), support TDD/BDD.
• Monitor and troubleshoot production systems using

  Prometheus/Grafana/ELK/New Relic/Datadog

  .
• Participate in

  code reviews

  , maintain coding standards, documentation, and best practices.
• Collaborate with cross-functional teams; mentor junior engineers.

Must-Have Skills

• 612 years of backend development with

  Node.js

  ; strong in

  Express

  or

  NestJS

  .
• Expertise in

  API design

  ,

  microservices

  , and distributed systems.
• Strong in

  SQL

  and

  NoSQL

  (PostgreSQL/MySQL/MongoDB); performance tuning.
• Experience with

  Redis

  ,

  Kafka/RabbitMQ

  ,

  Docker

  ,

  Kubernetes

  .
• Hands-on with

  cloud platforms

  (AWS/Azure/GCP) — ECS/EKS/Lambda, API Gateway, RDS/DynamoDB, IAM.
• Solid understanding of

  authentication/authorization

  (OAuth2, JWT),

  security

  and

  privacy

  .
• Proficient in

  testing frameworks

  and

  CI/CD

  .
• Strong problem-solving, debugging, and performance profiling skills.

Good-to-Have

• Experience with

  serverless

  (AWS Lambda, Azure Functions).
• Knowledge of

  GraphQL

  (Apollo),

  gRPC

  , or

  event-driven

  architectures.
• Experience with

  feature flags

  ,

  blue/green

  or

  canary deployments

  .
• Exposure to

  domain-driven design (DDD)

  and

  clean architecture

  .
• Familiarity with

  TypeScript

  and monorepos (Nx/Turborepo).
• Experience in

  payment systems

  ,

  e-commerce

  , or

  high-scale B2C platforms

  .