Backend Python Developer

Avalon Software Services; Hyderabad, Chennai District, Bengaluru; On-site; INR 2,500,000 - 4,200,000; Full time

Job summary

Avalon Software Services is seeking an experienced backend engineer to design, develop, and maintain robust backend services using Python and FastAPI. You will build secure, scalable RESTful APIs, WebSockets, and microservices, while crafting efficient database schemas with PostgreSQL, MySQL, or MongoDB.

The role emphasizes authentication, secure coding, CI/CD, Docker, and cloud deployments, with a strong focus on performance, reliability, and collaboration within Agile teams.

Qualifications

• 5+ 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.
• 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.
• Bachelors 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 aligned with compliance standards.
• 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

PostgreSQL

MySQL

MongoDB

Microservices

CI/CD

Docker

Education

Bachelor's degree in Computer Science or related field

Tools

Python

FastAPI

REST APIs

WebSockets

gRPC

PostgreSQL

MySQL

MongoDB

Docker

Cloud deployment environments

Job description

Role & 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.

Preferred candidate profile

• 5+ 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.
• 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.
• Bachelors degree in Computer Science or related field preferred.