Welcome to the Backend Challenges Repository! This repository contains a series of backend development challenges designed to help developers improve their skills across various levels of expertise, from beginners to senior developers. Each challenge focuses on different aspects of backend development, including web services, microservices architecture, caching, queues, and more.
To get started with a challenge:
- Choose your skill level and pick a challenge from the tables below.
- Read the challenge instructions in the linked markdown file.
- Implement the solution in any programming language/framework.
- Test your implementation thoroughly.
- (Optional) Share your solution via GitHub Issues using the solution template.
| Title | Description | Link |
|---|---|---|
| Hello World API | Create a simple API that returns a "Hello, World!" message | Link |
| Echo API | Build an API that echoes back user input | Link |
| Calculator API | Develop an API for basic arithmetic operations | Link |
| Temperature Converter API | Create an API to convert temperatures between units | Link |
| Weather API | Build a mock API that returns weather data for cities | Link |
| Currency Converter API | Develop an API for converting amounts between currencies | Link |
| Time Zone Converter API | Create an API to convert times between time zones | Link |
| Word Counter API | Build an API that counts words and characters in text | Link |
| Hash Generator API | Develop an API for generating cryptographic hashes | Link |
| Roman Numeral Converter API | Build an API to convert between numbers and Roman numerals | Link |
| Title | Description | Link |
|---|---|---|
| Todo API | Build an API for managing todo items with CRUD operations | Link |
| Stock Market API | Create an API to provide stock market data and analytics | Link |
| Forum API | Develop an API for discussion forums with topics and posts | Link |
| URL Shortener API | Build an API for shortening URLs and handling redirects | Link |
| Authentication Service | Implement user authentication with registration and login | Link |
| Email Service | Create an API for sending and managing emails | Link |
| Notification API | Develop an API for multi-channel notifications | Link |
| Payment Processing API | Build an API to handle payments and transactions | Link |
| Chat Application API | Create a real-time chat API with rooms and messages | Link |
| Recipe API | Develop an API for managing recipes and ingredients | Link |
| Title | Description | Link |
|---|---|---|
| Basic Caching API | Build an API with basic caching for performance | Link |
| Webhook Handler API | Create an API to receive and process webhooks | Link |
| JWT Authentication API | Implement JWT-based authentication | Link |
| Role-Based Authorization API | Build an API with role-based access control | Link |
| Message Queue API | Implement message queues for asynchronous processing | Link |
| Task Scheduler API | Create an API for scheduling tasks | Link |
| Real-Time Notifications API | Build an API for real-time notifications | Link |
| CI Pipeline Setup | Set up a basic Continuous Integration pipeline | Link |
| CD with Docker | Implement Continuous Deployment with Docker | Link |
| API Rate Limiting | Implement rate limiting for API protection | Link |
| OAuth Integration | Integrate OAuth 2.0 for third-party authentication | Link |
| API Versioning | Implement API versioning for backward compatibility | Link |
| API Security | Implement comprehensive API security measures | Link |
| Microservice Communication | Implement communication between microservices | Link |
| Distributed Caching | Set up distributed caching for scalability | Link |
| Advanced CI/CD | Configure advanced CI/CD pipelines | Link |
| Code Quality Tools | Integrate linting, formatting, and quality tools | Link |
| Pre-commit Hooks | Implement pre-commit hooks for code quality | Link |
| Monitoring and Logging | Set up comprehensive monitoring and logging | Link |
| Load Balancing and Scaling | Implement load balancing and auto-scaling | Link |
| Title | Description | Link |
|---|---|---|
| Server Configuration | Configure production-ready web servers for performance and security | Link |
| Proxy and Reverse Proxy | Implement proxy configurations for traffic management | Link |
| Container Orchestration | Set up container orchestration for multi-container apps | Link |
| Advanced CI/CD | Build sophisticated CI/CD pipelines with multiple environments | Link |
| Serverless Architecture | Deploy applications using Function as a Service platforms | Link |
| API Gateway | Implement API Gateway for microservices management | Link |
| Microservices Architecture | Design and implement complete microservices systems | Link |
| Clean Architecture | Implement Clean Architecture for maintainable code | Link |
| Multi-Tenant Architecture | Build multi-tenant applications with data isolation | Link |
| CQRS Pattern | Implement CQRS for complex domain logic | Link |
| Advanced Async Processing | Handle high-volume asynchronous processing | Link |
| Event-Driven Architecture | Build event-driven systems with decoupled services | Link |
| Vertical Scaling | Optimize performance through vertical scaling techniques | Link |
| Horizontal Scaling | Implement horizontal scaling for distributed systems | Link |
| Dealing with Scale | Design systems for extreme scale and high availability | Link |
| Observability Systems | Implement comprehensive observability with metrics and traces | Link |
| Advanced Logging | Set up advanced logging for distributed systems | Link |
| Distributed Tracing | Implement distributed tracing for microservices monitoring | Link |
| Performance Monitoring | Set up performance monitoring and alerting for production | Link |
| Chaos Engineering | Implement chaos engineering for system resilience testing | Link |
Check out solutions.md for community-submitted solutions and implementations.
- Questions? Use GitHub Issues with the question template.
- Found a bug? Report via GitHub Issues.
- Ideas? Suggest features or new challenges.
See CONTRIBUTING.md for contribution guidelines.
This project is licensed under the MIT License. See the LICENSE file for details.
Happy coding! 🎉