500000 - 780000 INR - Yearly
Bangalore, KA, India
Information Technology
Full-Time
Knovator Technologies
Overview
Job Title - Sr. Full Stack Developer
Experience: 5+ years
Location: Surat
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
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