Blog
Page 2 of 2 — 20 total articles.
How to Answer System Design Interviews
A 7-step framework for structuring system design interview answers with time allocation and concrete examples.
How to Choose a Database
A decision tree for selecting the right database based on your data model, access patterns, consistency needs, and scale requirements.
How to Design Reliable APIs
Practical patterns for building APIs that survive failures — idempotency, versioning, circuit breakers, rate limiting, and error contracts.
How to Scale Reads and Writes
Practical strategies for scaling read and write throughput — replicas, caching, sharding, async processing, and the CQRS pattern.
How to Think in Tradeoffs
A mental framework for making system design decisions by identifying competing concerns, evaluating with requirements, and using decision matrices.
How Uber Handles Millions of Concurrent Rides
Inside Uber's architecture — geospatial indexing, real-time dispatch, surge pricing, and how they match riders with drivers across 70 countries.
Microservices Communication Patterns: REST vs gRPC vs Events
A practical comparison of REST, gRPC, and event-driven communication patterns for microservices — when to use each, performance characteristics, and how.
Rate Limiting Algorithms Explained
A comparison of the four major rate limiting algorithms — token bucket, leaky bucket, fixed window, and sliding window — with tradeoffs and implementation.
System Design for Backend Engineers
A transition guide from writing code to designing systems — shifting from implementation thinking to architecture thinking.
System Design Interview Preparation: 60-Day Plan
A structured 60-day study plan with weekly topics, practice problems, and resources to prepare for system design interviews.