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Top 40 Django Coding Challenges for Senior Developers

Deep dive into advanced Django concepts, architecture patterns, and performance optimization techniques commonly asked in senior developer interviews

Core Concepts
Data Structures and Algorithms
System Design
Coding and Debugging

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Core Concepts

Data Structures and Algorithms

System Design

Coding and Debugging

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Top 40 Django Coding Challenges for Senior Developers

AI-Powered Interview Intelligence

Core Concepts

Create a custom model field that validates and stores JSON data with schema validation

Implement a custom middleware that logs all database queries with their execution time for requests taking longer than 1 second

Create a custom model manager that automatically filters soft-deleted records

Implement a decorator that caches expensive view results but invalidates cache when related models change

Create a custom template filter that formats large numbers with K/M/B suffixes

Implement a custom field that automatically encrypts data before saving and decrypts when retrieving

Create a signal handler that maintains a denormalized count of related objects

Implement a custom admin action that generates and emails reports asynchronously

Create a custom authentication backend that validates against an external API

Implement a custom migration operation that populates data based on complex business logic

Data Structures and Algorithms

How would you implement an LRU Cache in Django with a size limit of N items?

Implement a function to find all pairs of numbers in a list that sum to a target value using Django's built-in data structures.

How would you implement a sliding window algorithm to find the maximum sum subarray of size k in Django?

Design a rate limiter using Django's cache framework. How would you implement token bucket algorithm?

Implement a custom priority queue for Django background tasks using heapq.

How would you implement a trie data structure for efficient prefix searching in Django?

Implement an efficient method to detect cycles in a Django model's foreign key relationships.

Design a custom cache invalidation strategy using Django signals and Redis sorted sets.

Implement a consistent hashing algorithm for Django's cache backend distribution.

Design an efficient algorithm for batch processing Django model instances with memory constraints.

System Design

Design a scalable URL shortener service using Django

How would you design a real-time chat system using Django Channels?

Design a social media feed system with Django

Design a distributed task queue system using Django and Celery

How would you implement a scalable search functionality in Django?

Design a notification system for a large-scale Django application

Design a caching strategy for a high-traffic Django application

Design an API rate limiting system in Django

Design a file upload system for large files in Django

Design a microservices architecture using Django

Coding and Debugging

Write a Django middleware to log request processing time for each view

Create a Django decorator to cache expensive view results with a timeout

Implement a custom Django model field that automatically encrypts data before saving

Write a function to flatten a deeply nested QuerySet of related objects

Create a Django management command to cleanup stale sessions and expired tokens

Implement a custom Django authentication backend using JWT tokens

Write a function to bulk upsert Django model instances efficiently

Create a Django signal to automatically generate slugs for model instances

Implement a custom Django template filter to format large numbers

Write a Django view decorator to rate limit requests based on IP address

Streamline Your Django Developer Hiring

Interview Questions for Other Related Skills

Why Index.dev?

Our talent is hand-picked

We prioritize speed

We respect your budget

Top 40 Django Coding Challenges for Senior Developers

AI-Powered Interview Intelligence

Core Concepts

Create a custom model field that validates and stores JSON data with schema validation

Implement a custom middleware that logs all database queries with their execution time for requests taking longer than 1 second

Create a custom model manager that automatically filters soft-deleted records

Implement a decorator that caches expensive view results but invalidates cache when related models change

Create a custom template filter that formats large numbers with K/M/B suffixes

Implement a custom field that automatically encrypts data before saving and decrypts when retrieving

Create a signal handler that maintains a denormalized count of related objects

Implement a custom admin action that generates and emails reports asynchronously

Create a custom authentication backend that validates against an external API

Implement a custom migration operation that populates data based on complex business logic

Data Structures and Algorithms

How would you implement an LRU Cache in Django with a size limit of N items?

Implement a function to find all pairs of numbers in a list that sum to a target value using Django's built-in data structures.

How would you implement a sliding window algorithm to find the maximum sum subarray of size k in Django?

Design a rate limiter using Django's cache framework. How would you implement token bucket algorithm?

Implement a custom priority queue for Django background tasks using heapq.

How would you implement a trie data structure for efficient prefix searching in Django?

Implement an efficient method to detect cycles in a Django model's foreign key relationships.

Design a custom cache invalidation strategy using Django signals and Redis sorted sets.

Implement a consistent hashing algorithm for Django's cache backend distribution.

Design an efficient algorithm for batch processing Django model instances with memory constraints.

System Design

Design a scalable URL shortener service using Django

How would you design a real-time chat system using Django Channels?

Design a social media feed system with Django