Senior Backend Developer Python FastAPI

SRM Technologies; Chennai District; On-site; INR 1,800,000 - 3,000,000; Full time

Job summary

SRM Technologies in Chennai, India is seeking a Senior Backend Developer with strong Python and FastAPI expertise to design scalable, secure backend systems for fintech or regulated environments. You will design and maintain backend services, build secure RESTful APIs, WebSockets, and microservices, and design databases with PostgreSQL/MySQL/MongoDB.

You’ll implement authentication, authorization, and secure coding practices, while ensuring performance, reliability, and scalable deployments in

Qualifications

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

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 and 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

8+ years backend development

Education

Bachelor’s degree in Computer Science or related field

Tools

Python

FastAPI

REST APIs

WebSockets

gRPC

PostgreSQL

MySQL

MongoDB

Asynchronous programming

Microservices architecture

CI/CD

Docker

Cloud deployments

JWT/OAuth

Job description

Job Description:

JobTitle: Senior Backend Developer (Python / FastAPI)

JobSummary

We are looking for an experienced BackendDeveloper with strong expertise in Python and FastAPI to design andbuild scalable, secure, and high-performance backend systems. The idealcandidate will have hands‑on experience in API development, database design, system architecture, and deploying highly available applications, preferablywithin fintech or regulated environments.

RequiredSkills & Experience

Must have

• 8+ years of backend developmentexperience.
• Strong proficiency in Python and FastAPI framework.

Additionalqualifications

• RESTAPIs, WebSockets, or gRPC services.
• databasedesign, query optimization, and ORM tools.
• Experience with asynchronousprogramming and scalable system design.
• microservicesarchitecture and API lifecycle management.
• Understanding of CI/CDpipelines, Docker, and cloud deployment environments.
• Knowledge of secure codingpractices (JWT, OAuth, encryption, etc.).
• Experience working in Agile/Scrumteams.
• Bachelor’s degree in ComputerScience or related field preferred.

KeyResponsibilities

• Design, develop, and maintainbackend services using Python and FastAPI.
• Build and manage secure, scalable RESTfulAPIs, WebSockets, and microservices.
• Design and optimize databaseschemas 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 codewith unit and integration tests.
• Collaborate with Frontend, DevOps,QA, and Product teams in Agile sprints.
• Support deployment, monitoring,and troubleshooting of production systems.

Requirements: