Job Title: Backend Developer (Python /
FastAPI
)

Location – Chennai (Onsite)

Job Summary
We are looking for an experienced
Backend Developer
with strong
expertise
in
Python and
FastAPI
to design and build scalable, secure, and high-performance backend systems. The ideal candidate will have hands-on experience in API development, database design, system architecture, and deploying
highly available
applications, preferably within fintech or regulated environments.

Key Responsibilities

• 
  Design, develop, and
  maintain
  backend services using
  Python and
  FastAPI
  .

• 
  Build and manage secure, scalable
  RESTful APIs
  ,
  WebSockets
  , and microservices.

• 
  Design and
  optimize
  database schemas using
  PostgreSQL, MySQL, or MongoDB
  .

• 
  Implement authentication, authorization, and secure coding practices aligned with compliance standards.

• 
  Optimize
  system performance, reliability, and scalability.

• 
  Write clean, well-documented code with unit and integration tests.

• 
  Collaborate with Frontend, DevOps, QA, and Product teams in Agile sprints.

• 
  Support deployment, monitoring, and troubleshooting of production systems.

Required Skills & Experience

• 
  5–6+ years of backend development experience.

• 
  Strong
  proficiency
  in
  Python
  and
  FastAPI
  framework.

• 
  Experience building and managing
  REST APIs,
  WebSockets
  , or
  gRPC
  services
  .

• 
  Strong knowledge of
  database design, query optimization, and ORM tools
  .

• 
  Experience with
  asynchronous programming
  and scalable system design.

• 
  Familiarity with
  microservices
  architecture
  and API lifecycle management.

• 
  Understanding of
  CI/CD pipelines, Docker, and cloud deployment environments.

• 
  Knowledge of secure coding practices (JWT, OAuth, encryption, etc.).

• 
  Experience working in Agile/Scrum teams.

• 
  Bachelor’s degree in Computer Science
  or related field preferred.