Django

Models Orm Design

Published Posts Manager
Junior
Custom Manager With Active Discounted Filter
Junior
Event Model Field Validators
Junior
Composite Primary Key Junction Model
Mid
Database CheckConstraint For Discount Price
Mid
Explicit Through Model for ManyToMany
Mid
Soft Delete With Custom Manager
Senior
Encrypted CharField Custom Model Field
Senior
Email-Based Custom User Model
Senior
Generic Comments With ContentType
Senior

Queries Orm Optimization

Eliminate N+1 Queries With Related Fetching
Mid
Property Search With Q Objects
Mid
Annotate Orders Count and Average Value
Mid
Fix N+1 in book_listing()
Mid
Atomic View Counter With F()
Mid
Latest Comment Per Post via ORM
Senior

Forms Validation

Fix Broken ModelForm Save
Junior
Conditional Cross-Field Validation in clean()
Junior
Registration Form Password Validation
Junior
ModelForm With Extra Terms Checkbox
Mid
Dependent Choices Multi-Step Form Wizard
Senior

Views Routing Viewsets

Filtered ListAPIView via get_queryset
Junior
ModelViewSet With DRF Router
Junior
Class-Based List and Detail Views
Junior
List Frameworks in Index View
Junior
Forbidden Username PATCH Endpoint
Mid
Bulk Status Update Action
Mid
Atomic Banking Transaction API
Senior
Prevent Oversell With select_for_update
Senior

Serializers Validation

DRF Date Range Validator
Junior
ProductSerializer With Computed Tax Field
Junior
Hyperlinked Serializer Refactor
Mid
Normalize Phone Numbers In Serializer
Mid
Computed Loyalty Score Field
Mid
Dynamic-Field DRF Serializer
Mid
Nested Writable Book Serializer
Senior
Localized DRF Validation Errors
Senior
Multi-Role Order and Billing System
Senior

Auth Permissions

Role-Based Access Control Decorator
Mid
IsOwnerOrReadOnly Permission Class
Mid
Custom DRF Premium Permission
Mid
Custom Password Strength Validator
Mid
Account Lockout After Failed Logins
Mid
Email Login Authentication Backend
Mid
Custom Hybrid Authentication Backend
Senior

Middleware

Request Logging Middleware
Junior
Custom Header Gatekeeper Middleware
Junior
Fix Middleware Ordering in Settings
Junior
Request Timing Middleware
Junior
Request Logging Middleware
Mid
Maintenance-Mode Middleware
Mid
Internal Request Token Middleware
Mid
Standardized Error Middleware
Mid
IP Rate-Limiting Middleware
Senior

Signals

Auto-Create Profile With post_save Signal
Junior
Invalidate Cache On Setting Save
Mid

Caching Throttling

Per-View Caching With Query Variation
Junior
Cache Expensive API Call With get_or_set
Mid
Header-Based Custom Throttle Class
Mid
Idempotent Order Creation Endpoint
Senior

File Handling Streaming

Date-Organized Image Upload
Junior
File Download With FileResponse
Junior
PDF Upload Endpoint With Validation
Mid
Bulk CSV Importer With Validation
Mid
Stream a Large CSV Export
Senior

Admin Commands Templates

Customize ModelAdmin With Bulk Export Action
Junior
Custom Currency Template Tag and Filter
Junior
Stale Session Cleanup Command
Mid
Deactivate Stale Users Command
Mid

Integrations Data Migrations Drf Extensions

View Timing And Audit Decorator
Junior
Slug Backfill Data Migration
Mid
User Data Anonymizer For Staging
Mid
Custom DRF Pagination Envelope
Mid
DRF Task Serializer Validation
Mid
Stripe Webhook Handler DRF View
Senior
Header-Based DRF API Versioning
Senior
Read/Write Database Router
Senior
Tenant-Aware Database Router
Senior
Zero-Downtime CharField To JSONField Migration
Senior

Top 155 Django Interview Questions And Answers 2025 | TechPrep