Backend
Idempotency in API Design: Safe Retries at Scale
Network failures mean requests get retried — idempotent API design makes processing the same request twice produce one result, not duplicate charges.
·4 min read
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Backend
APIs & server logic · 57 articles · Page 5 of 5
Backend
API Versioning Strategies: When and How to Version
Every API evolves — the question is whether you version through URL paths, headers or query parameters, and how you ship breaking changes safely.
·3 min read
Backend
Connection Pooling: Why Every Backend Needs It
Opening a new database connection per request is a silent performance killer — connection pools solve this with a managed set of reusable connections.
·3 min read
Backend
Database Migrations Done Right
Schema changes are the most dangerous deploys — here are the patterns for zero-downtime migrations, rollback safety, and avoiding data loss.
·3 min read
Backend
WebSocket Fundamentals for Backend Developers
When HTTP polling isn't enough — a practical guide to WebSocket connections, message patterns, and production concerns like reconnection and scaling.
·3 min read
Backend
API Rate Limiting Patterns That Scale
Token buckets, sliding windows, and distributed rate limiting — practical patterns to protect your API without degrading the experience for legitimate users.
·3 min read
Backend
Database Indexing: A Deep Dive
Indexes can make or break your application's performance — here's how they work under the hood and when to use each type.
·3 min read
Backend
Caching Strategies for Web Applications
From HTTP headers to Redis patterns, a practical guide to caching layers that reduce latency and database load without serving stale data.
·3 min read
Backend
REST API Design: Beyond the Basics
Once you know the HTTP verbs, the real challenge begins — pagination, filtering, error formats, and versioning patterns that make APIs a pleasure to consume.
·3 min read