Senior Backend Developer

SRM Technologies; Chennai; On-site; INR 2,600,000 - 4,200,000; Full time

Job summary

SRM Technologies is seeking an experienced Senior Backend Developer (Python/FastAPI) to design, build, and optimize scalable backend systems. You will work on API development, database design, and scalable architectures, with emphasis on security and compliance in fintech or regulated environments.

The role requires hands-on experience with REST, WebSockets, or gRPC services, asynchronous programming, and Agile/Scrum workflows.

Qualifications

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

WebSockets

gRPC

Database design

ORM tools

Asynchronous programming

Microservices

API lifecycle management

Secure coding practices

JWT

OAuth

Agile/Scrum

Education

Bachelor’s degree in Computer Science or related field

Tools

PostgreSQL

MySQL

MongoDB

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

• 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.

Requirements

• 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.