django-expert

Django ORM optimization reduces query count by applying select_related and prefetch_related to minimize database hits. Database indexing and QuerySet optimization prevent the N+1 query problem, ensuring production-ready APIs scale efficiently under heavy relational data loads.

JWT authentication in Django REST Framework secures API endpoints by issuing tokens for stateless validation. Implementing JWT alongside viewsets and permissions protects REST endpoints, ensuring only authorized users access sensitive data without server-side session storage overhead.

Structuring serializers and viewsets for a Django 5.0 API involves mapping normalized models to JSON representations and defining CRUD logic. Using DRF routers and permissions streamlines endpoint registration and secures access for scalable REST API development.

Writing unit and API tests for Django endpoints is supported using Django TestCase and DRF APITestCase. These test patterns validate endpoint logic, permissions, and data serialization, ensuring comprehensive integration testing for production-ready REST APIs.

Async views in a Django REST API should be used when handling I/O-bound operations like external network requests. Applying async views where appropriate prevents thread blocking, improving concurrency and overall API throughput for specific performance-bottlenecked endpoints.

Configuring permissions for a multi-tenant Django REST API secures data isolation by enforcing access control policies on viewsets. Implementing custom permissions alongside JWT authentication ensures users only access their tenant's authorized resources efficiently.