MERN Stack Developer

1 week ago


Noida, Uttar Pradesh, India Blue Brain Technologies Full time ₹ 1,04,000 - ₹ 1,30,878 per year

About the Role

We are seeking a highly skilled MERN Stack Developer with strong backend expertise in and advanced hands-on experience with MongoDB, including aggregation pipelines, cursors, transactions, sharding, and real-time data handling. The ideal candidate will also have deep knowledge of and frameworks, leveraging different rendering strategies (ISR, SSG, SSR, CSR) to build scalable, SEO-friendly, and high-performance web applications.

You will collaborate closely with cross-functional teams to design, develop, optimize, and maintain modern applications that deliver seamless and reliable user experiences.

Key Responsibilities

Backend & )

  • Architect and implement RESTful APIs and microservices with (expert level).
  • Develop and optimize custom middleware for authentication, logging, error handling, and request validation.
  • Build scalable backend systems with a focus on security, performance, and fault tolerance.
  • Integrate third-party APIs and services, ensuring robust data handling.
  • Monitor and optimize application performance under high concurrency and load conditions.

Frontend & )

  • Build dynamic, responsive, and reusable UI components with
  • Implement rendering strategies:

  • ISR (Incremental Static Regeneration) for near real-time updates.

  • SSG (Static Site Generation) for fast static builds.
  • SSR (Server-Side Rendering) for SEO-friendly dynamic pages.
  • CSR (Client-Side Rendering) for interactive and personalized experiences.

  • Apply performance optimization techniques like code splitting, lazy loading, and caching.

  • Collaborate with UI/UX designers to translate designs into functional user interfaces.
  • Maintain state management with Redux, Context API, or modern alternatives (Zustand/Recoil).

General Development & Collaboration

  • Write clean, maintainable, and testable code following industry best practices.
  • Conduct code reviews, unit/integration testing, and debugging.
  • Implement secure authentication and authorization flows (JWT, OAuth2).
  • Work with CI/CD pipelines for automated builds, testing, and deployments.
  • Collaborate in Agile/Scrum environments with product, design, and QA teams.

Required Skills & Experience

  • Backend (Expert): (routing, middleware, async programming, error handling).
  • Database (Advanced): Aggregation pipelines, transactions, indexing, cursors, change streams, sharding, and replication.
  • Frontend (Proficient): + (ISR, SSR, SSG, CSR), state management, responsive UI development.
  • Other: Git/GitHub, REST API design, secure coding practices, performance optimization.
  • Bonus Skills (Nice to Have): GraphQL, , Docker/Kubernetes, cloud deployments (AWS/GCP/Azure), Jest/Mocha/Cypress testing frameworks.

Why Join Us?

  • Work with cutting-edge technologies in the MERN + ecosystem.
  • Be part of a collaborative and growth-driven team.
  • Competitive salary with performance-based incentives.
  • Flexible work culture with opportunities for continuous learning and upskilling.
  • Exposure to scalable, high-performance product development.


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