Backend Engineering

Have you ever wondered how websites and web applications actually work behind the scenes? Whether it’s Facebook, Amazon, Netflix, or your… Continue reading on M

500 requests per second. One minute. An Express endpoint computing BTC technical indicators over 3.6...

APIs become truly useful when they can store and retrieve real data. Continue reading on Medium »

At 1:47 AM, my phone buzzed like a motor. A security colleague dropped a screenshot in the group: an...

Task 1: Job Scheduler (Stage 9 — Individual) Built a production job scheduler from scratch —...

How treating modals as typed async operations eliminates boolean state, callback chains, and runtime...

Hi everyone. Let’s continue our journey to master Django REST Framework. Continue reading on Medium »

Learn how I reduced Next.js + Supabase app load time by 73% using 5 proven performance optimization techniques. Real results from production SaaS application.

Building real-time collaboration from scratch is complex and time-consuming, not anymore. Continue reading on CodeToDeploy »

I am a second year B.Tech Computer Science student at NIT Patna. Two weeks ago I had never built or...

The DBSC server protocol with no framework and no language: the endpoints you need, the exact header grammar, how to verify the JWS proofs, and the session life

Most JavaScript performance issues don’t come from complex algorithms or massive datasets. Continue reading on Medium »

Most Next.js authentication tutorials teach you how to build the plumbing. This one skips that. You...

Hey! I'm Sergey and I'm building a macOS screen recorder that enhances recordings by smoothing cursor...

Apple dropped the most exciting developer toolkit in years. Here’s exactly when you can get your hands on it — and how to make the most of… Continue reading on

Zero-boilerplate SQL for Go. Define a struct with tags. That's it. If you write Go and talk to SQL...

Most TypeScript backends you've written have probably used a DI container. Maybe InversifyJS. Maybe...

Most of today went into a user-management overhaul in kickoff — my Laravel starter kit. Flyout CRUD...

So far our loops have run from start to finish without interruption. But sometimes you need more...

RTMP Server A lightweight RTMP live streaming server written in pure PHP, with no...

As part of my journey toward becoming a better full-stack developer, I wanted to build something that...

As part of my journey toward becoming a better full-stack developer, I wanted to build something that...

Deep dive into embedding SQLite with Litestream continuous replication as a production backend for early-stage SaaS: WAL-mode tuning for concurrent reads, S3-st

I built an MCP server that publishes HTML files, and I hit a wall I haven't seen documented anywhere:...

Every Java program, no matter how complex, starts with a few fundamental building blocks. Understanding these basics is essential because… Continue reading on M

The moment you write the word virtual, the compiler quietly adds an invisible pointer to every instance of your class. Continue reading on Medium »

Hello Dev Community! 👋 It is officially Day 23 of my journey to master the MERN stack! Today, I...

Learn how to evaluate an npm package before installing it, from provenance and install scripts to maintenance, CI quality, and security signals.

Some tools look simple until you realize how often you reach for them. Continue reading on MeetCyber »

Some tools look simple until you realize how often you reach for them. Continue reading on MeetCyber »

Hello Dev Community! 👋 It is officially Day 22 of my journey toward mastering the MERN stack! After...

Your build may depend on code that runs before your app ever starts. Continue reading on Write A Catalyst »

The Concept When building backend APIs in Go, testing isn't just about code coverage, it's...

Imagine you write a letter in a secret code that only your old house key can read. Then you move. You...

All tests run on an 8-year-old MacBook Air. All results from shipping 7 Mac apps as a solo developer....

Learn how memory actually works in C through practical experiments first, then theory — in an engaging and security-focused way Continue reading on Medium »

Learn how memory actually works in C through practical experiments first, then theory — in an engaging and security-focused way Continue reading on Medium »

Learn Netcat by doing — port testing, chat servers, file transfer, banners, reverse shells (safe local demo), and real networking practice Continue reading on M

You're about to install a VS Code extension. Maybe it's a formatter, a linter, a theme, an AI tool....

A cache hit rate below 50% means your caching strategy is broken, not your hardware. Here's the production Redis playbook — patterns, invalidation, stampede pre

I spent today wiring an MCP server into a Laravel app that manages a Kong API gateway. The interesting part wasn't "make the AI talk to the app" — that's the ea

TLDR: I'm introducing Bit Flip, a newsletter where you get coding questions and interview questions...

TLDR A type annotation tells TypeScript exactly what type a variable, function parameter,...

The next iPhone software has just been officially unveiled and the first developer beta is out. Here’s when you can download it.

When I was tasked with building an email feature that would let multiple clients send emails from...

When you're building a complex backend system—like an enterprise-grade Point of Sales (POS) API using...

Every article so far has talked about "the container" — the factory that builds and wires your beans....

When we build applications with Express.js, we often access incoming data using req.body. It feels simple: Continue reading on Medium »