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Python API Developer

SAI Group Ltd


Job Location:

Kolkata - India

Monthly Salary: Not provided by the employer
Posted: 21 August 2026 (Yesterday)
Application Deadline: 18 November 2026
Vacancies: 1 Vacancy

Job Summary

We are looking for a skilled Python API Developer with 2 years of professional experience in developing integrating and maintaining scalable RESTful APIs and backend applications.

Key Responsibilities
Design develop test and maintain robust RESTful APIs using Python.
Build backend services using FastAPI or Flask.
Integrate third-party APIs and external services.
Work with relational/NoSQL databases and optimize queries.
Implement authentication authorization validation error handling and API security.
Write clean reusable maintainable and well-documented code.
Perform API testing debugging and troubleshooting.
Collaborate with frontend QA DevOps and product teams.
Participate in code reviews and follow development best practices.
Improve API performance scalability and reliability.
Maintain technical documentation for APIs and backend services.

Required Skills
2 years of professional experience in Python backend/API development.
Strong proficiency in Python.
Hands-on experience with FastAPI or Flask REST Framework.
Strong understanding of REST APIs HTTP methods status codes JSON and API design.
Experience with PostgreSQL MySQL or similar relational databases.
Good knowledge of SQL and database design.
Experience with Git/GitHub.
Familiarity with Swagger/OpenAPI.
Understanding of JWT/OAuth2 authentication.
Knowledge of unit testing and API testing.
Good understanding of SDLC and coding best practices.

Good to Have
Docker and containerized applications.
AWS Azure or GCP experience.
Redis RabbitMQ or Kafka.
CI/CD pipelines.
Microservices architecture.
Linux and basic deployment practices.
Agile/Scrum experience.


Required Experience:

Senior IC


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