Backend Developer Python & FastAPI

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.