Senior Developer

1 week ago

Gurgaon, Haryana, India Capital Numbers Full time ₹ 20,00,000 - ₹ 25,00,000 per year

We are seeking an experienced and skilled
Senior
Developer
with a strong background in
PostgreSQL
to join our growing development team. The ideal candidate should have 4–5 years of hands-on experience in building scalable backend systems using and Express, along with solid database knowledge in PostgreSQL. Experience with cloud platforms and modern API development is essential. Exposure to frameworks like
Fastify
or
NestJS
is a plus.

Key Responsibilities:

  • Develop, test, and maintain backend services using

    and
  • Design and implement robust RESTful APIs for front-end and third-party integrations
  • Manage and optimize
    PostgreSQL
    databases, including query optimization, indexing, and performance tuning
  • Integrate and deploy applications on
    cloud platforms
    (AWS, Azure, or GCP)
  • Write clean, maintainable, and scalable code following best practices and design patterns
  • Participate in code reviews, unit testing, and continuous integration processes
  • Collaborate closely with front-end developers, DevOps engineers, and product managers to deliver quality software on time
  • Ensure data security, performance, and scalability in backend operations

Required Skills & Qualifications:

  • Strong expertise in
    with a focus on asynchronous programming and event-driven architecture
  • Hands-on experience with
    for REST API development
  • Proficient in working with
    PostgreSQL
    , including writing complex SQL queries, schema design, and migrations
  • Experience in
    cloud-based deployments
    (AWS, Azure, or GCP)
  • Good understanding of REST principles, API versioning, and authentication (JWT, OAuth)
  • Familiarity with tools like Postman, Swagger/OpenAPI for API testing and documentation
  • Experience with Git and CI/CD pipelines
  • Excellent debugging and performance tuning skills

Good to Have:

  • Experience with modern frameworks like
    Fastify
    or
    NestJS
  • Familiarity with ORM libraries such as
    Sequelize
    or
    TypeORM
  • Knowledge of containerization tools like
    Docker
  • Exposure to GraphQL or WebSockets is a plus

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