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Back End Developer

R Systems

2 - 5 years

Noida

Posted: 12/02/2026

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Job Description

Job Summary

We are looking for an experienced Backend Developer with strong expertise in NestJS and TypeScript to build scalable, secure, and high-performance backend services. The role involves working on modern cloud-based architectures and collaborating closely with cross-functional teams.


Mandatory Skills

  • Strong hands-on experience with NestJS and TypeScript
  • Expertise in PostgreSQL database design and optimization
  • Experience using TypeORM
  • Knowledge of RabbitMQ for message-based communication
  • Hands-on experience with AWS services, including:
  • Cognito
  • S3
  • SES
  • SQS
  • Secrets Manager
  • Experience building and consuming RESTful APIs
  • Strong understanding of backend architecture and security best practices


Key Responsibilities

  • Design, develop, and maintain backend services using NestJS
  • Build scalable APIs and microservices using TypeScript
  • Manage database schemas, queries, and migrations in PostgreSQL
  • Implement asynchronous messaging using RabbitMQ
  • Integrate AWS services for authentication, storage, messaging, and configuration
  • Ensure application security, performance, and scalability
  • Collaborate with frontend, DevOps, and product teams
  • Write clean, maintainable, and testable code
  • Troubleshoot and resolve production issues


Education

  • Bachelors degree in computer science, Engineering, or equivalent experience

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