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

Navitas Business Consulting; Chennai District; On-site; INR 1,500,000 - 2,200,000; Full time

Job summary

Navitas Business Consulting is seeking an experienced Backend Developer (Python/FastAPI) to design and build scalable, secure backend systems. You will work on RESTful APIs, WebSockets, and microservices, with strong focus on data modeling and secure coding practices.

The role involves collaboration with cross‑functional teams in an Agile environment and deployment support. Ideal candidates have 5–6+ years of backend experience, deep Python/FastAPI knowledge, and hands‑on experience with

Qualifications

• 5–6+ years of backend development experience.
• Strong proficiency in Python and the 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.

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.
• 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

WebSockets

gRPC

ORM tools

Asynchronous programming

Microservices

CI/CD

Docker

Cloud deployment

Security practices

Agile/Scrum

Education

Bachelor's degree in Computer Science or related field

Tools

Docker

PostgreSQL

MySQL

MongoDB

Job description

Backend Developer (Python / FastAPI) – Chennai

Location: Chennai, India – Onsite

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 the 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.

The pay range provided is a good‑faith estimate and represents the range the company reasonably expects to pay for this position at the time of posting. Individual compensation may vary based on skills, experience, education, certifications, geographic location, and business needs.

Equal Employer/Veterans/Disabled

Navitas Business Consulting is an affirmative action and equal opportunity employer. If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact Navitas Human Resources.

Navitas is an equal opportunity employer. We provide employment and opportunities for advancement, compensation, training, and growth according to individual merit, without regard to race, color, religion, sex (including pregnancy), national origin, sexual orientation, gender identity or expression, marital status, age, genetic information, disability, veteran-status veteran or military status, or any other characteristic protected under applicable Federal, state, or local law. Our goal is for each staff member to have the opportunity to grow to the limits of their abilities and to achieve personal and organizational objectives. We will support positive programs for equal treatment of all staff and full utilization of all qualified employees at all levels within Navitas.