26-3098: Backend Developer (Python / FastAPI)- Chennai

Navitas Business Consulting, Inc.; Chennai District; On-site; INR 1,600,000 - 2,600,000; Full time

Job summary

Navitas Business Consulting, Inc. is seeking an experienced Backend Developer with strong Python and FastAPI skills to design and build scalable, secure backend systems in Chennai.

The role emphasizes API development, database design, and deployment of highly available applications, ideally in fintech or regulated environments. Responsibilities include building RESTful APIs, WebSockets, and microservices; designing databases with PostgreSQL/MySQL/MongoDB; implementing secure auth; and ensuring

Qualifications

• 5–6+ years of backend development experience.

Responsibilities

• Design, develop, and maintain backend services using Python and Fast API.
• Build and manage secure, scalable RESTful APIs, WebSocket's, 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.

Skills

Python

FastAPI

REST APIs

WebSocket

PostgreSQL

MySQL

MongoDB

ORM tools

Asynchronous programming

Microservices

CI/CD pipelines

Docker

JWT

OAuth

Agile/Scrum

Education

Bachelor’s degree in computer science or related field

Tools

Docker

gRPC

Job description

Backend Developer (Python / FastAPI) – Chennai

Job ID#: 26-3098

Location: Chennai, India – Onsite

Who We Are

Since our inception back in 2006, Navitas has grown to be an industry leader in the digital transformation space, and we’ve served as trusted advisors supporting our client base within the commercial, federal, and state and local markets.

What We Do

At our very core, we’re a group of problem solvers providing our award-winning technology solutions to drive digital acceleration for our customers! With proven solutions, award-winning technologies, and a team of expert problem solvers, Navitas has consistently empowered customers to use technology as a competitive advantage and deliver cutting-edge transformative solutions.

What You’ll Do

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 Fast API.
• Build and manage secure, scalable RESTful APIs, WebSocket's, 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 Fast API framework.
• Experience building and managing REST APIs, WebSocket's, 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.