Senior Backend Engineer

3 weeks ago

Kollam, Kerala, India RapidBrains Full time

Senior Backend Engineer

Experience: 8–10 Years

Location: Noida

Contract Type: Long Term

Work Time: IST Shift

Overview

We are seeking a highly experienced Senior Backend Engineer with 8–10 years of expertise in designing and building scalable backend systems. The ideal candidate will be proficient in Node.js (NestJS framework preferred) and TypeScript, with strong experience in GraphQL API design and implementation. This role requires architectural expertise across monolithic and microservices-based systems, proficiency in PostgreSQL, and hands-on experience with Azure cloud architecture, including Container Apps.

The engineer will also work on Azure OpenAI integrations, OCR pipelines, and event-driven real-time systems such as WebSocket connections. You will play a key role in performance tuning, scaling applications, ensuring high unit test coverage (90–95%), and delivering enterprise-grade solutions through collaboration with cross-functional teams.

Key Responsibilities

  • Develop and maintain backend applications using Node.js (NestJS) and TypeScript.
  • Design and implement GraphQL APIs and multiple system integrations.
  • Architect, optimize, and scale backend systems on Azure Container Apps.
  • Implement Azure OpenAI integrations and OCR pipelines.
  • Work on both monolithic and microservices-based architectures.
  • Design and integrate event-driven, real-time systems with WebSocket connections.
  • Ensure 90–95% unit test coverage for all code developed.
  • Conduct performance tuning, scalability improvements, and debugging.
  • Collaborate with teams to deliver robust, secure, and enterprise-level solutions.

Requirements

  • 8–10 years of backend engineering experience.
  • Strong expertise in Node.js (NestJS framework preferred).
  • Proficiency in TypeScript with a focus on scalable architecture.
  • Hands-on experience in GraphQL API design, implementation, and integrations.
  • Strong knowledge of PostgreSQL and Azure cloud (Container Apps, scaling, performance tuning).
  • Experience with Azure OpenAI integrations and OCR pipelines.
  • Proven background in monolithic and microservices architectures.
  • Experience with event-driven systems, real-time processing, and WebSockets.
  • Ability to deliver maintainable code with 90–95% unit test coverage.
  • Strong problem-solving, debugging, and communication skills.

Skills & Requirements

  • Programming: Node.js, NestJS, TypeScript
  • API & Integration: GraphQL, API Design
  • Databases: PostgreSQL
  • Cloud & Infrastructure: Azure Architecture, Azure Container Apps, Scaling, Performance Tuning
  • AI & Data Processing: Azure OpenAI, OCR Pipelines
  • Architecture: Monolithic, Microservices
  • Systems: Event-driven Systems, Real-time Systems, WebSockets
  • Quality & Testing: Unit Testing (90–95% coverage), Debugging

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