Experience
: 8–10 Years

Employment Type
: Full-Time

Location:
On-site / Jaipur

About the Role

We are looking for a
Senior Backend Engineer with 8–10 years
of strong hands-on experience in Node.js to design, build, and scale high-performance backend systems. The ideal candidate should have solid expertise in API development, databases, distributed systems, microservices, and production-level system design.

This is a hands-on engineering role for someone who can take ownership of backend architecture, solve complex technical problems, and build reliable systems at scale.

Key Responsibilities
- Design and develop scalable backend services and REST APIs using Node.js.
- Build high-performance applications using Express.js/NestJS and TypeScript.
- Design database schemas and optimize queries across MongoDB and PostgreSQL/MySQL.
- Work with Redis for caching, concurrency, and performance optimization.
- Design and implement microservices and event-driven architectures.
- Work with Kafka/RabbitMQ for asynchronous processing and inter-service communication.




- Build real-time systems using WebSockets/Socket.io where required.
- Handle authentication, authorization, RBAC, API security, and data protection.
- Identify and resolve performance bottlenecks, memory issues, and production-level challenges.
- Design systems capable of handling high concurrency and large data volumes.
- Take ownership of backend architecture, technical decisions, development, testing, and production support.
- Collaborate with frontend, QA, DevOps, and product teams to deliver reliable solutions.
- Conduct code reviews and mentor junior/mid-level developers.
- Contribute to technical documentation, coding standards, and engineering best practices.

Required Skills & Experience
- 8–10 years of professional backend/software development experience.
- 6+ years of strong hands-on experience with Node.js.
- Strong proficiency in JavaScript/TypeScript.
- Strong experience with Express.js and/or NestJ

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🏢 Cognitive Nest Tech Solutions
📍 Jaipur