System Design & Backend Interview Cheat Sheet with Uday | SDE-II @ S&P Global | Backend

Preparing for a Backend / Software Engineering interview?

Don't spend hours jumping between different resources.

This System Design & Backend Interview Cheat Sheet brings 50 important concepts into one quick-reference PDF.

📚 What's inside?

Backend Fundamentals

1. Client–Server Architecture
2. REST APIs
3. HTTP Methods
4. HTTP Status Codes
5. Stateless vs Stateful
6. Authentication vs Authorization
7. JWT

API & Backend Design

1. API Gateway
2. Rate Limiting
3. Idempotency
4. Pagination
5. API Versioning
6. Webhooks
7. CORS

Databases

1. SQL vs NoSQL
2. Indexing
3. Transactions
4. Normalization
5. Replication
6. Database Sharding
7. CAP Theorem
8. Distributed Locks
9. Consistency Models
10. Distributed Transactions
11. Eventual Consistency

Caching & Performance

1. Caching
2. Cache-Aside Pattern
3. Write-Through vs Write-Back
4. Cache Eviction Policies
5. Redis
6. Connection Pooling

Async & Distributed Systems

1. Message Queues
2. Kafka
3. Producer / Consumer
4. Consumer Groups
5. Pub/Sub
6. Event-Driven Architecture
7. Synchronous vs Asynchronous Systems

Scalability & Reliability

1. Load Balancing
2. Horizontal vs Vertical Scaling
3. Microservices
4. Service Discovery
5. Circuit Breaker
6. Retry & Exponential Backoff
7. Health Checks
8. Observability

🎯 Also included

✅ Visual diagrams

✅ Quick explanations

✅ Interview-focused concepts

✅ Rapid Revision section

✅ Interview tips

👨‍💻 Who is this for?

1. Backend Developers
2. Software Engineers
3. Full-Stack Developers
4. Students preparing for placements
5. Developers preparing for technical interviews
6. Anyone revising System Design & Backend concepts

📦 What you'll receive

1 × Backend Interview Cheat Sheet PDF

Instant digital access after purchase.