Backend Developer Python & FastAPI

Company: RapidBrains
Apply for the Backend Developer Python & FastAPI
Location: Chennai
Job Description:

Job Title : Backend Developer Python & FastAPI

Experience: 5–8 Years

Location: Onsite (Chennai)

Notice Period: Immediate Joiners Preferred

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 deployment of highly available applications, preferably within fintech or regulated environments.

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

  • 5–8 years of backend development experience.
  • Strong proficiency in Python and FastAPI.
  • 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.

Posted: March 25th, 2026