Senior Backend Developer (Python / FastAPI)

SRM Technologies; Chennai District; On-site; INR 4,000,000 - 7,000,000; Full time

Job summary

SRM Technologies is seeking a Senior Backend Developer with expertise in Python and FastAPI to design scalable, secure backend services for fintech-like environments. You will build RESTful APIs, work with databases, and contribute to system architecture and deployments.

The ideal candidate has 8+ years of backend experience, strong knowledge of asynchronous programming, microservices, and security best practices, and thrives in Agile teams.

Qualifications

• Must have 8+ years of backend development experience.
• Strong proficiency in Python and FastAPI.
• Experience building and managing REST APIs, WebSockets, or gRPC services.
• 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.
• Knowledge of secure coding practices (JWT, OAuth, encryption, etc.).
• Experience working in Agile/Scrum teams.

Responsibilities

• Design, develop, and maintain backend services using Python and FastAPI.
• Build and manage secure, scalable RESTful APIs, WebSockets, and microservices.
• Design and optimize databases 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

WebSockets

gRPC

Database design

ORM tools

Asynchronous programming

Microservices

Security (JWT/OAuth)

Agile/Scrum

Education

Bachelor’s degree in Computer Science or related field

Tools

PostgreSQL

MySQL

MongoDB

Job description

Senior Backend Developer (Python / FastAPI)

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.
• Experience building and managing RESTAPIs, WebSockets, or gRPC services .
• Strong knowledge of databasedesign, query optimization, and ORM tools .
• Experience with asynchronousprogramming and scalable system design.
• Familiarity with microservicesarchitecture and API lifecycle management.
• 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.