Back End Developer

5 days ago

Gurgaon, Haryana, India Capital Numbers Full time ₹ 15,00,000 - ₹ 25,00,000 per year

We are looking for a talented
Backend Engineer
with hands-on experience in
NestJS, , Fastify, PostgreSQL, and MySQL
. You will design and develop secure, scalable, and high-performance backend systems while working in a modern microservices environment.

Key Responsibilities:

  • Develop and maintain
    REST APIs
    and backend services using
    NestJS, , and Fastify
    .
  • Work with
    PostgreSQL
    and
    MySQL
    for schema design, data modeling, and query optimization.
  • Architect and implement
    microservices-based solutions
    for scalability and resilience.
  • Implement
    authentication and authorization flows
    (JWT/OAuth2) with a strong focus on security.
  • Ensure system performance through
    database optimization and caching strategies
    .
  • Collaborate with frontend, DevOps, and product teams to deliver high-quality solutions.
  • Contribute to
    code reviews, CI/CD pipelines
    , and best coding practices.

Mandatory Skills:

  • TypeScript
    – Strong proficiency in building type-safe, production-ready applications.
  • – Solid backend development experience with modern frameworks.
  • NestJS
    – Hands-on experience building modular, scalable backend applications.
  • Fastify
    – Strong understanding of high-performance frameworks.
  • PostgreSQL
    – Expertise in schema design, indexing, and query performance.
  • MySQL
    – Solid knowledge of relational database design and query optimization.
  • Microservices Architecture
    – Experience designing and implementing distributed systems.
  • Token-Based Authentication
    – Expertise in
    JWT/OAuth2
    authentication and API security.
  • Git
    – Proficient with version control and collaborative workflows.

Good to Have:

  • Azure Cloud
    – Exposure to cloud-based deployment and services.
  • Docker
    – Experience with containerization and orchestration.
  • Redis
    – Familiarity with caching mechanisms and in-memory databases.

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