Job Information

• Date Opened 09/25/2026
• Job Type Full time
• City Chennai
• State/Province Tamil Nadu
• Country India
• Zip/Postal Code 600096
• Industry Technology

Job Description

Job Title: Senior Backend Developer (Python / FastAPI)

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.

Required Skills & Experience

Must have

• 8+ years of backend development experience.
• Strong proficiency in

Python

and

FastAPI

framework.

Additional qualifications

• 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.

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.