MERN Stack Developer

Responsibilities:
Build responsive UI using React.js, HTML5 CSS3 and JavaScript (ES6+).
Develop scalable backend services and RESTful APIs using Node.js (Express.js / NestJS).
Work with MongoDB and MySQL (schema design, indexing, query optimization).
Implement authentication and authorization using JWT, RBAC, and OAuth.
Integrate third-party APIs and webhooks.
Build real-time features using Socket.io / WebSockets.
Ensure performance, scalability, and security (validation, sanitization).
Implement caching using Redis (if applicable) and optimize API response times.
Support API testing (Postman/Supertest).
Maintain API documentation using Swagger/OpenAPI.
Debug and resolve defects, handle RCA, and support production troubleshooting using logs/monitoring.
Follow Git-based workflows, participate in code reviews, and collaborate with QA/product teams in Agile delivery.
Requirements:
Mandatory Skills: React.js, Node.js, JavaScript (ES6+), MongoDB (must), MySQL
REST API development and integration: Socket.io / WebSockets, Webhooks, HTML5 CSS3 Git, TypeScript, Express.js / NestJS, jQuery / AJAX (basic / legacy support).
Good to Have: Redis, Swagger/OpenAPI, Docker, CI/CD (GitHub Actions/Jenkins), Cloud exposure (AWS/Azure/GCP).
Qualification: BE / BTech / MCA / MSc IT / BSc IT with 2-5 years of relevant experience.

Experience
2-3 yrs