Backend Engineering

Ditch the bloat and go edge-native. ⚡️ Say hello to @rabbx/ws: the ultra-lean WebSocket library...

Hello, I'm Maneshwar. I'm building git-lrc, a Micro AI code reviewer that runs on every commit. It is...

Most developers write this code every day: ```js id="e9u2xa" setTimeout(() => { ...

Ubuntu's default APT repository ships an outdated Node.js build that is not suitable for modern...

1. Introduction If you've worked with legacy backends, you'll agree: when they fail, it's...

Metric Value Firebase cost increase at scale 300-500% per year User threshold for...

Developers coming to Go from languages that use try/catch constructs, like Java or C#, may feel a bit turned around. The inner voice… Continue reading on Medium

Chasing speed when learning to code is the fastest way to hit a wall. We're often told to "learn...

Most Developers Meet reduce() at the Wrong Time Usually, it happens through some...

Node.js is amazing for shipping fast. It's also amazing at letting you ship broken things fast. I've...

Event loop mastery, streams, worker threads, graceful shutdown, and the design patterns that separate...

📁 Full Source Code: midnight-apps/unshielded-token Target audience: Developers ...

So finally we are starting C++ together and honestly before learning any language I think one thing is very important… feeling comfortable… Continue reading on

The Problem: apt-key is Deprecated and Repository is Unsigned When trying to install...

Every Go web framework comparison post says the same thing: "Gin is the most popular, Fiber is the...

A while ago — though by current standards that already feels like ancient history — Twitter was loud...

Encoding a URL parameter seems simple until it breaks your API request, ruins your analytics tracking, or causes a redirect loop in… Continue reading on Medium

Cleaner APIs, lower latency, fewer dependencies — better choice for modern Go applications Continue reading on Dev Genius »

How I Built a Stripe Webhook in Node.js (Full Technical Guide) Webhooks are essential for handling asynchronous events in payment processing systems. In this te

I’m a .NET developer. I can build production-ready applications, APIs, and work with databases. In...

You've definitely come across this debate more than once: type or interface? Most answers online boil...

I remember one Friday evening when our support team started reporting “random” missing updates in production. Some user changes were saved… Continue reading on

Why the “Drop-in Replacement” Promise Often Breaks in Production. Continue reading on Medium »

Most PHP interfaces have one implementation, no mocks, and cross no boundary. Three quick tests reveal which ones are safe to delete. Continue reading on Medium

Hi everyone — I'm a backend engineer with 3+ years building and shipping production backend systems,...

In this blog we are going to learn basic fundamentals of programming. We are exploring variables and...

A few months ago I was deep in a panic spiral about a job interview. Backend role, mid-level, and the recruiter casually mentioned that… Continue reading on Med

Real-time features—like chat apps, live notifications, and multiplayer games—have become the norm in modern applications. If you're… Continue reading on Medium

TL;DR Zod's .refine() executes on every input — even when earlier validators like .min()...

Memory exhaustion, “Too many connections,” timeout cascades — three PHP errors that always signal production is about to fall over. Continue reading on Medium »

How I handle saving and loading typed config-like data in a small Rust app without turning it into a big abstraction.

The real logging and timestamp macros I use in a small Rust bot, and why I still like this kind of tiny local utility.

I’ve just started a 40-day journey to learn Go (Golang). This is a record of what I learn in each...

A complete, beginner-to-advanced guide to databases, ORM, sessions, and dependency injection — explained as one connected system. Continue reading on Medium »

PHP 8.5 shipped a pipe operator, from Larry Garfield's RFC (approved 33-7). The marketing examples...

My smartwatch told me I burned 3,400 calories yesterday. My partner's app told me I burned 2,200....

In today’s digital era, companies are looking for skilled developers who can build complete web applications from front to back. Continue reading on Medium »

I'll be honest with you. For the longest time, writing database fixtures was just something I accepted as part of the job. You build a feature, you write the te

All languages have, so far, reached a certain point in their development: error handling. JavaScript,...

Zero config. Zero annotations. No YAML. No Jsdocs. Zero changes to your existing code. Just add one line and your entire API is documented. Continue reading on

If you’ve worked with Firestore long enough, you’ve definitely seen this: “The query requires an...

Real workflows for teams and production Continue reading on Medium »

This blog was originally published on Descope. Looking to implement authentication middleware in...

A payment webhook fires once. You miss it. The customer thinks they paid. Your dashboard says they...

Understanding the control flow of a program is very important to understand the behaviour of code....

Supabase Auth Advanced — Custom Claims, Row Level Security, and Session Management Once...

The JavaScript global object and scope are a key part of building apps with JavaScript....

Supabase PostgreSQL Functions — Move Complex Logic Server-Side with RPC Writing complex...