Colan Infotech
Python Backend Developer
Skills
2 months ago
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Important information
Contract type:
Permanent
Location:
Chennai, Tamil Nadu, India
Work mode:
Onsite
Published on:
25 August 2026
What they need
About the Role
We are looking for a skilled Python Backend Developer with 3-4 years of experience in developing scalable backend applications and REST APIs. The candidate should have hands-on experience with Python, Django, PostgreSQL, and third-party API integrations.
Key Responsibilities
- Develop and maintain backend applications using Python and Django.
- Build REST APIs using Django REST Framework, Flask, and/or FastAPI.
- Design and optimize PostgreSQL databases and SQL queries.
- Work with Django ORM, models, relationships, and migrations.
- Integrate third-party services such as payment, WhatsApp, SMS, and email APIs.
- Implement authentication, validation, error handling, and API security.
- Debug issues and optimize application performance.
- Write clean, reusable, and maintainable code.
- Collaborate with developers, QA, and other team members.
Experience & Skills
- 3-4 years of experience in Python backend development.
- Strong knowledge of Python, Django, and Django REST Framework.
- Good understanding of Flask and/or FastAPI.
- Strong knowledge of PostgreSQL, SQL, and Django ORM.
- Experience in REST API development and third-party integrations.
- Understanding of authentication, JSON, HTTP methods, and API security.
- Experience with Git/GitHub/GitLab.
- Strong problem-solving and debugging skills.
What We Look For
- Strong backend development fundamentals.
- Ability to understand requirements and develop effective solutions.
- Good coding, analytical, and problem-solving skills.
- Ability to work independently and collaboratively.
- Good communication and teamwork skills.
Preferred Qualifications
- Knowledge of Docker, Linux, Redis, Celery, and CI/CD.
- Exposure to AWS or other cloud platforms.
- Experience with PyTest or Django Test Framework.
- Experience with webhooks and OAuth/API authentication.
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