Back End Developer

3 days ago

Jaipur, Rajasthan, India GWARM TECHNOLOGIES PVT LTD Full time ₹ 14,00,000 - ₹ 17,00,000 per year

Job Description – Senior Backend Developer (5–6 Years Experience)

We are seeking a highly skilled
Senior Backend Developer
with 5–6 years of hands-on experience in
PostgreSQL
, the
PERN stack (PostgreSQL, , React, )
, and
AWS cloud services
. The ideal candidate will design, build, and optimize high-performance backend systems that support scalable, secure, and reliable applications. You will play a critical role in backend architecture, database optimization, API development, and seamless integration with frontend platforms.

Key Responsibilities

  • Architect, develop, and maintain scalable and secure backend services using
    and
    .
  • Design and optimize
    PostgreSQL
    schemas, queries, indexing strategies, and performance tuning.
  • Utilize AWS services such as
    EC2, S3, Lambda, RDS
    , and more to enhance system scalability and performance.
  • Collaborate closely with frontend teams to integrate backend APIs with user-facing functionalities.
  • Build, document, and maintain
    RESTful APIs
    , ensuring best practices and high reliability.
  • Write clean, efficient, and maintainable code following industry standards.
  • Identify, troubleshoot, and resolve performance issues across backend components.
  • Conduct code reviews, mentor junior developers, and ensure adherence to development best practices.
  • Implement solutions that reinforce system performance, availability, and fault tolerance.

Required Skills & Qualifications

  • Bachelor's degree in
    Computer Science
    , Engineering, or related field.
  • 5–6 years of proven experience
    in backend development.
  • Strong proficiency with

    and the
    PERN stack
    .
  • Advanced expertise in
    PostgreSQL
    , including complex SQL queries, schema design, indexing, and optimization.
  • Hands-on experience with
    AWS services
    (EC2, S3, Lambda, RDS, CloudWatch, etc.).
  • Deep understanding of
    RESTful API architecture
    , authentication, and authorization.
  • Strong experience with authentication services including
    OAuth2, JWT
    , and
    webhook signature validation
    .
  • Experience decoupling webhooks using
    queues
    to handle high-volume bursts.
  • Practical knowledge of
    WebSockets
    , gateway integration, and session storage (Redis/NATS).
  • Working knowledge of
    Kafka
    or
    RabbitMQ
    for high-volume event processing.
  • Proficient with
    Git
    and modern development workflows.
  • Excellent problem-solving skills and strong communication abilities.

Preferred Qualifications

  • Experience building and maintaining
    microservices
    architectures.
  • Familiarity with
    GraphQL
    .
  • Knowledge of
    Docker
    and container orchestration technologies (e.g., Kubernetes).

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