Backend Engineering
Node.js + TypeScript: Building a Production REST API from Scratch in 2026
A complete guide to building a production-ready REST API with Node.js and TypeScript - authentication, validation, error handling, rate limiting, logging…
PostgreSQL Performance Optimization: The Practical Guide for 2026
Slow queries, missing indexes, N+1 problems, and connection pool exhaustion account for 90% of PostgreSQL performance issues.
Building a Multi-Tenant SaaS with Next.js and PostgreSQL in 2026
Multi-tenancy is the architecture decision that determines how your SaaS scales. Database-per-tenant, schema-per-tenant, or row-level isolation - here's…
Clean Architecture in Node.js: A Practical Guide Without the Academic Fluff
Clean Architecture sounds great in theory. In practice, most implementations add complexity without benefit. This guide shows the pattern that actually…
Redis Data Structures in Production: Beyond SET and GET
Most teams use Redis as a glorified hash map. This guide covers the data structures that solve real production problems - sorted sets for leaderboards…
tRPC + Zod: End-to-End Type Safety Without Code Generation
tRPC eliminates the REST+OpenAPI codegen ceremony by making your server the source of truth for types. Here's a complete, production-realistic…
The Architecture of Resilience: Why We Abandoned 2018's Best Practices for 2026's Performance
In 2018, the industry optimized for code consistency and global state. In 2026, professional agencies optimize for data locality and the 'Cost of Change'.
Microservices vs Monolith: The Real Guide for 2026
When microservices actually make sense, when a monolith is the right call, and the hybrid approaches most successful products use.
GraphQL vs REST API in 2026: A Practical Guide to Choosing the Right Approach
GraphQL has been 'the future of APIs' for almost a decade. REST has been 'dying' for just as long. Both are still widely used in 2026 - because they solve…
Bun: SQLite and the Power of Zero-Overhead FFI (2023)
Bun isn't just a fast runtime; its native SQLite implementation and FFI are changing how we think about Node.js performance in 2023.
Bun: How Zig and JavaScriptCore are Changing the Runtime Game (2023)
Node.js and Deno have a new competitor. In 2023, Bun 1.0 is here, and it's fast. Let's dive into the internals of the Zig-powered runtime.
WebRTC: Scaling P2P Mesh Networking for Real-time Video (2019)
Is it possible to build a video chat app without an expensive media server? In 2019, we're exploring the limits of WebRTC mesh networking.
Deno: Ryan Dahl's Fix for Node.js (2018)
The creator of Node.js just announced Deno at JSConf EU. It's a secure, Rust-based runtime that leaves 'node_modules' behind.
Rust and N-API: High-Performance Node.js Native Modules (2018)
Native modules in Node used to mean NAN and breaking builds. In 2018, N-API and Rust's safety are changing the game.
eBPF: In-Kernel Programmability for Networking and Security (2018)
Linux 4.x is changing the game with eBPF. Why write kernel modules when you can run safe, verified bytecode directly in the kernel?
GraphQL Subscriptions: Real-time Data with Redis PubSub (2018)
Queries and Mutations aren't enough. In 2018, we're using GraphQL Subscriptions to power real-time dashboards and chat apps.
Rust 1.x: Safety Without the Garbage Collector (2016)
How Rust uses Ownership and the Borrow Checker to guarantee memory safety and thread safety at compile time. No more segfaults, no more GC pauses.
Swift on the Server: The Rise of Vapor and High Performance (2015)
Apple open-sourced Swift on Linux in late 2015. Now, we're taking it beyond the iPhone. Let's look at the future of server-side Swift with Vapor.
Building Real-Time Chat Before Socket.io Was Stable (2013): Long-Polling, SSE, and Early WebSockets
In early 2013, WebSockets were supported in modern browsers but Socket.io 0.9 had memory leaks, IE9 support was still polling-based, and Node.js 0.10 had…