Python Backend Developer

Crew Kraftorz LLP; Chennai District; On-site; INR 800,000 - 1,200,000; Full time

Job summary

A growing technology company with a focus on digital platforms is seeking a Python Backend Developer. The role involves developing scalable backend systems and secure APIs, collaborating with frontend and mobile teams. The ideal candidate should have 3–4 years of experience in Python backend development and be proficient with FastAPI, Flask, or Django. Strong skills in API security and MongoDB are essential. The company fosters a dynamic environment emphasizing performance and innovation.

Qualifications

• 3–4 years of hands-on experience in Python backend development.
• Strong experience with FastAPI, Flask, or Django frameworks.
• Solid understanding of JWT authentication and API security best practices.

Responsibilities

• Develop and maintain backend services using Python frameworks.
• Design and maintain RESTful APIs for mobile and web applications.
• Integrate and manage payment gateway workflows.

Skills

Python backend development

FastAPI

Flask

Django

MongoDB

REST API design

JWT authentication

API security

Git

AWS services

Tools

Docker

Redis

Job description

We are looking for a Python Backend Developer with strong hands-on experience in building scalable backend systems and APIs. This role involves developing secure backend services, supporting real-time features, and collaborating closely with frontend and mobile teams to power modern digital applications.

The ideal candidate will be comfortable working in a dynamic product environment and building systems that are reliable, secure, and performance-driven.

Responsibilities

• Develop and maintain backend services using Python frameworks such as FastAPI, Flask, or Django.
• Build secure authentication and authorization systems using JWT and role-based access control.
• Design and maintain RESTful APIs for mobile and web applications.
• Design and optimize MongoDB database schemas and queries.
• Integrate and manage payment gateway workflows and transaction processing.
• Configure and manage notification systems including push and email notifications.
• Work with AWS services such as SES and S3 for backend operations.
• Maintain and manage code using Git version control.
• Collaborate with frontend and mobile developers to ensure smooth API integration.
• Ensure backend systems are optimized for performance, scalability, and security.

Required Skills & Experience

• 3–4 years of hands-on experience in Python backend development.
• Strong experience with FastAPI, Flask, or Django frameworks.
• Solid understanding of JWT authentication and API security best practices.
• Experience working with MongoDB or other NoSQL databases.
• Experience integrating payment gateways.
• Experience implementing WebSockets for real-time communication.
• Familiarity with AWS services such as SES and S3.
• Strong understanding of REST API design principles.
• Experience using Git for version control.

Good to Have

• Experience with Redis caching.
• Basic knowledge of Docker and CI/CD pipelines.
• Exposure to AI-assisted development tools.
• Experience integrating machine learning or AI-driven features.
• Understanding of microservices architecture.
• Experience working in startup or product-driven environments.

About the Company

Our client is a growing technology company focused on building digital platforms that enhance consumer experiences and community engagement. Their products combine modern backend systems, real-time capabilities, and data-driven features to support mobile and web applications used by a rapidly expanding user base. The engineering team works in a fast-paced, product-focused environment where scalability, performance, and innovation are key priorities.