Python Backend Developer

r3 Consultant; Bengaluru; Hybrid; INR 1,200,000 - 2,000,000; Full time

Job summary

r3 Consultant is seeking an experienced Python Backend Developer to join their team in Bengaluru. The candidate should possess at least 8 years of backend development experience, with a strong focus on creating scalable web applications and RESTful APIs utilizing frameworks like Flask and FastAPI. Responsibilities include designing and maintaining APIs, optimizing application performance, and collaborating with cross-functional teams to deliver solutions. The position supports a hybrid work model and requires familiarity with databases and authentication methods.

Qualifications

• 8 years of experience with a minimum of 5+ years in Python backend/web development.
• Strong experience with Flask and/or FastAPI.
• Solid understanding of REST API design principles.
• Experience with relational and/or NoSQL databases.
• Knowledge of authentication and authorization mechanisms.
• Familiarity with Git and CI/CD workflows.

Responsibilities

• Design, develop, and maintain RESTful APIs using Python frameworks.
• Build scalable, secure, and high-performance backend services.
• Collaborate with frontend developers and product teams.
• Implement business logic and API integrations.
• Optimize application performance for high availability.
• Contribute to architecture discussions.
• Write clean and reusable code.
• Troubleshoot and resolve production issues.

Skills

Flask

FastAPI

REST API design principles

PostgreSQL

MySQL

MongoDB

JWT

OAuth

Git

CI/CD workflows

Job description

Job Description

Role: Python Backend Developer

Experience: Min 8 Years - 14 Years

Location: Whitefield, Bangalore (Hybrid)

We are looking for an experienced Python Backend Developer with strong expertise in building scalable web applications and RESTful APIs using Flask/FastAPI. The ideal candidate should have a solid background in backend development, basic exposure to Microsoft Azure, and a good understanding of web application architecture.

Key Responsibilities

• Design, develop, and maintain RESTful APIs using Python frameworks such as Flask and FastAPI.
• Build scalable, secure, and high-performance backend services.
• Collaborate with frontend developers, DevOps, and product teams to deliver end-to-end solutions.
• Implement business logic, data validation, and API integrations.
• Optimize application performance and ensure high availability.
• Participate in architecture discussions and contribute to system design decisions.
• Write clean, reusable, testable, and well-documented code.
• Troubleshoot, debug, and resolve production issues.

Required Skills & Qualifications

• 8 years of experience with min. 5+ years of relevant experience in Python backend/web development.
• Strong experience with Flask and/or FastAPI.
• Solid understanding of REST API design principles.
• Experience with relational and/or NoSQL databases (PostgreSQL, MySQL, MongoDB, etc.).
• Knowledge of authentication and authorization mechanisms (JWT, OAuth, etc.).
• Familiarity with Git and CI/CD workflows.