Developed and maintained RESTful APIs using Django REST Framework, enabling efficient and scalable backend solutions.Designed and implemented complex data models and serializers, enhancing data validation and handling across applications.Created custom API endpoints and views to meet specific client requirements and integrate third-party services.Applied authentication and authorization techniques, including token-based authentication, OAuth2, and JWT, to secure API endpoints.Optimized API performance through caching strategies, query optimizations, and load testing, reducing response times by 30%.Utilized Django’s ORM for robust and efficient database interactions, improving data access and manipulation.Integrated front-end applications with DRF APIs using tools like Postman and Swagger for API testing and documentation.Collaborated with cross-functional teams to define API specifications and ensure smooth integration with frontend components.Wrote and maintained comprehensive unit tests and conducted integration testing to ensure API reliability and stability.Documented API endpoints and created user guides to support developer onboarding and API usage.