Node.js Developer - Job DescriptionJob TitleNode.js Developer / Backend DeveloperJob SummaryWe are looking for a skilled
Node.js Developer to design, develop, test, and maintain scalable backend applications and REST APIs. The candidate will work closely with frontend developers, QA engineers, DevOps teams, and product managers to build reliable and high-performance applications.
Key Responsibilities- Develop scalable backend applications using Node.js.
- Build and maintain RESTful APIs and backend services.
- Develop reusable and maintainable code using JavaScript/TypeScript.
- Integrate frontend applications with backend APIs.
- Work with relational and NoSQL databases.
- Implement authentication and authorization.
- Handle API validation, error handling, logging, and exception management.
- Optimize application performance and troubleshoot production issues.
- Write unit, integration, and API tests.
- Participate in code reviews and Agile/Scrum ceremonies.
- Collaborate with frontend, QA, DevOps, and product teams.
- Use Git for source-code management.
- Support CI/CD pipelines and application deployments.
- Monitor application health, logs, and performance.
Required SkillsProgramming- Node.js
- JavaScript ES6+
- TypeScript
- Object-Oriented Programming
- Asynchronous programming
- Promises
- async/await
Backend Frameworks- Express.js
- NestJS - good to have
API Development- REST API
- JSON
- HTTP methods
- HTTP status codes
- Authentication / Authorization
- JWT
- OAuth basics
- API validation
- Error handling
Database- MySQL / PostgreSQL
- MongoDB
- Redis - good to have
- SQL queries
- Database design and optimization
Testing- Jest
- Mocha / Chai
- Supertest
- Postman
- API automation
Tools- Git / GitHub / GitLab
- npm / yarn
- VS Code
- Docker
- CI/CD
Good to Have- Microservices architecture
- Kafka / RabbitMQ
- AWS / Azure / GCP
- Docker & Kubernetes
- Redis caching
- WebSockets
- GraphQL
- Elasticsearch
- CI/CD with Jenkins or GitHub Actions
- Application monitoring and logging
Example Project ResponsibilitiesA Node.js Developer might be responsible for:
React UI 12 REST API 12 Node.js/Express 12 Business Logic 12 DatabaseFor example:
User logs into a React application 12 React sends login request 12 Node.js API validates credentials 12 database is queried 12 JWT token is generated 12 response is returned to React 12 authenticated user accesses the application.
Experience Experience Typical Role 0-2 years Junior Node.js Developer 2-5 years Node.js Developer 5-8 years Senior Node.js Developer 8+ years Lead / Backend Architect
Resume KeywordsNode.js | JavaScript | TypeScript | Express.js | REST API | MongoDB | MySQL | PostgreSQL | JWT | OAuth | Redis | Microservices | Docker | Kubernetes | AWS | Git | Jest | Postman | CI/CD | AgileNode.js Interview TopicsFor interviews, focus on:
- What is Node.js?
- Node.js vs JavaScript
- Event loop
- Non-blocking I/O
- Callbacks vs Promises vs async/await
- require vs import
- Express.js
- Middleware
- REST API development
- Authentication and JWT
- Error handling
- SQL vs MongoDB
- CRUD operations
- Database connection pooling
- Node.js performance optimization
- Streams and Buffers
- EventEmitter
- Microservices
- Unit/API testing
- Docker and CI/CD
