Full Stack Developer (MERN)
Location : Surat, Gujarat
Openings :- 1
Experience: Minimum 5 years
Role Overview

We are looking for a highly skilled Senior Full Stack Engineer / MERN Architect to lead the design and development of scalable, high-performance web applications using the MERN stack (MongoDB, Express.js, React/Next.js, Node.js).

The ideal candidate should have proven experience building large-scale distributed systems, handling 50K–1 lakh+ concurrent users, and driving architecture decisions that improve scalability, reliability, and performance.

This role requires end-to-end ownership of technical delivery, production-grade architecture, and mentoring engineering teams.

Key Responsibilities
  • Architect and build scalable, fault-tolerant applications using the MERN stack
  • Design systems capable of supporting** 1,00,000+ concurrent users**
  • Own end-to-end delivery from requirement analysis to deployment
  • Build and optimize RESTful / GraphQL APIs
  • Implement **event-driven architecture **using Kafka, RabbitMQ, BullMQ, or Redis Streams
  • Design scalable MongoDB schemas, indexing, aggregation pipelines, and sharding
  • Implement Redis, CDN, and in-memory caching
  • Lead frontend architecture using React.js / Next.js (SSR, ISR, CSR)
  • Build real-time systems using WebSockets / Socket.io
  • Collaborate on** CI/CD, Docker, Kubernetes, and zero-downtime deployments**
  • Drive code quality through reviews, mentoring, and engineering best practices
Must-Have Requirements
  • 5+ years of hands-on MERN stack development experience
  • Strong expertise in** Node.js, React.js, Next.js, and MongoDB**
  • Proven experience handling** 50K–1 lakh+ concurrent users**
  • Strong knowledge of performance optimization and system design
  • Hands-on experience with Redis, queues, Docker, and microservices
  • Strong understanding of** security, authentication, and scalable API architecture**
  • Prior experience leading technical decisions or mentoring teams
Good to Have
  • Kubernetes
  • Elasticsearch / Atlas Search
  • AWS / GCP
  • Datadog / Grafana / ELK
  • Prior Tech Lead / Architect experience
Shift Timings:

Morning Shift

Testimonials

Our Happy Customers

Pranav Brahmbhatt

Pranav Brahmbhatt

The solution has saved the partner's time and allows them to easily manage their database. Knovator Technologies is responsive and makes themself available for around-the-clock support. They're communicative, attentive to requirement details, and treat the partner with genuine, familial-like care.

Shailesh Chaudhari

Shailesh Chaudhari

Knovator delivered a functional platform that has garnered nearly 40,000 subscribers in just four months, which internal stakeholders note is particularly impressive for India. The team adhered to the budget and often outpaced time estimates. They provided daily, weekly, and monthly plans.

Natacha DE VADAS

Natacha DE VADAS

It was a pleasure to work with Knovator. They were hired to update my website and he did extensive research on the industry that I am in. He even took the persona of a prospective customer and asked questions that I had not thought of. Very refreshing. He is trustworthy and reliable does what he says he will do. Thanks to Upwork too, I have been looking for a Web Designer for months and could not find one that had the energy and enthusiasm for what my business.

Rushabh Sheth

Rushabh Sheth

We have been working with Knovator for the last one year and their team is extremely talented. They take ownership of the project and deliver on time. They maintain very good communication throughout and have a very collaborative approach to building new technology. We see them as an extension of our team and we are very happy to recommend them to anyone looking for a talented and dedicated tech partner.

Mayank Soni

Mayank Soni

Knovator Technologies developed and delivered the project according to the client’s proposed timeline. They had a smooth workflow and utilized communication tools to improve contact. The team fulfilled all of the client’s expectations.

Priyanka Bisht

Priyanka Bisht

Senior Program Manager - NASSCOM

The job board delivery was spot-on in terms of timeline. The communication throughout the project was excellent. The team kept us informed at every step of the process, ensuring that we were always in the loop and aware of the progress being made.

General FAQ’s

Frequently asked question

Knovator builds high-performing sites across various industries.To deliver the best, our website developers are equipped with the best and robust technologies including Node, React, PHP, Laravel and WordPress.

Knovator builds high-performing sites across various industries.To deliver the best, our website developers are equipped with the best and robust technologies including Node, React, PHP, Laravel and WordPress.

Knovator builds high-performing sites across various industries.To deliver the best, our website developers are equipped with the best and robust technologies including Node, React, PHP, Laravel and WordPress.

Knovator builds high-performing sites across various industries.To deliver the best, our website developers are equipped with the best and robust technologies including Node, React, PHP, Laravel and WordPress.

Knovator builds high-performing sites across various industries.To deliver the best, our website developers are equipped with the best and robust technologies including Node, React, PHP, Laravel and WordPress.