Senior Backend Engineer

2 days ago

Noida, Uttar Pradesh, India RapidBrains Full time ₹ 12,00,000 - ₹ 36,00,000 per year

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 (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
    (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
    (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:
    , 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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