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Python Backend Developer

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Onsite

Python Backend Developer

Colan Infotech

Python Backend Developer

Skills

SQL QueriesDockerDjangoFlaskPythonTesting & QAPostgreSQLRedisGitLabAWSGitHubLinuxFastAPI

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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