Backend Engineering

If you manage a realtime application, you know that Redis is often the beating heart of your infrastructure. Recently, our production application—which relies h

PHP 8.5 is here, and while it may not feel quite as dramatic as PHP 8.4’s property hooks and...

I recently started learning JavaScript, and I didn't come in blind. I had Go in my head — how it...

Part 2: Commands, Queries, Events, and Sagas — The Backend’s Redux + useEffect Continue reading on JavaScript in Plain English »

A beginner-friendly guide to CORS, same-origin policy, and why browsers sometimes block API requests.

JSON Web Tokens are everywhere. They're the de facto standard for stateless API authentication and...

As TypeScript developers, we use Tuples when we want to define an array with a fixed number of...

Callback Functions A callback function is a function which is passed as an argument to...

I've been mildly obsessed with typing games since I first used TypeRacer in 2009. Last month I...

Photo by Headway on Unsplash Continue reading on Medium »

Want to use Git like a senior developer? It’s not about knowing hundreds of commands - it’s about...

Why Beginners Struggle with Git Git isn’t just about commands - it’s about understanding...

Mastering Regular Expressions in JavaScript: From Basics to Real-World Validation At first...

Advanced MEAN Stack Certification Continue reading on Medium »

Handling duplicate requests in APIs, especially in payment systems, is a headache. NestJS RedisX...

A Backend Developer Application Built Around Failure Modes A Backend Developer...

Hiring for the Backend Engineer Who Makes Production Boring Hiring for the...

I've built this thin Pydantic-over-asyncpg layer too many times now. Every project ends up with the...

localStorage, sessionStorage, IndexedDB, Cache API, Origin Private File System, cookies — six browser storage APIs that each solve a… Continue reading on Medium

localStorage, sessionStorage, IndexedDB, Cache API, Origin Private File System, cookies — six browser storage APIs that each solve a… Continue reading on Medium

TrueFramework is a small, opinionated PHP framework built around three rules: plain PHP and plain...

The Node.js ecosystem has relied on the ws library for 15 years. It’s reliable, but it was built for...

Foundry vs Hardhat in 2026: Which Solidity Toolchain Wins? Two toolchains. Same goal:...

Most beginners think Node.js is “easy” until their app becomes slow, buggy, or impossible to maintain. These are the exact mistakes almost… Continue reading on

How I Built a Stripe Webhook in Node.js (Full Guide) Webhooks are essential for modern payment processing systems, and Stripe's implementation is particularly e

One of most important and basic operations in Java Backend is Consuming Rest api. In this blog I use...

Have you notice something like this in your url. It sometimes look like this...

Consider you need to branch your code logic according to the existence of a certain function within a class. Continue reading on Medium »

The difference between a system that scales to millions and one that collapses under pressure usually comes down to a single architectural… Continue reading on

Overcoming the fear of big T Continue reading on Medium »

When interviewers ask async JavaScript questions in Node.js interviews, they usually don’t want textbook definitions. Continue reading on Medium »

Dealing with HTTP requests is also learning a lot about network issues and distributed data problems....

Learn how to build a complete audit log in Laravel using spatie/laravel-activitylog v5. Covers setup, model events, Filament display, and v4 migration.

In Java, both ClassNotFoundException and NoClassDefFoundError occur when a class cannot be found at runtime, but they happen in different… Continue reading on M

What Unix timestamps actually are, how to convert them in JavaScript, Python, SQL, and the command line, the milliseconds vs seconds trap, timezone gotchas, and

We built the visitor list feature with standard offset pagination from day one using a page size of twenty and skipping records by offset… Continue reading on M

For almost two decades, backend engineering followed a predictable formula. Continue reading on Medium »

REST API Design Made Simple with Express.js Every backend developer reaches a point where...

JWT Authentication in Node.js Explained Simply Authentication is one of those topics that...

Creating Routes and Handling Requests with Express If raw Node.js feels like: building...

How Node.js Handles Multiple Requests with a Single Thread “Wait… Node.js uses only one...

Dehradun, the capital of Uttarakhand, is rapidly transforming into a prominent education and IT hub in North India. With the rise of startups, digital transform

Hello readers 👋, welcome to the 12th blog in our Node.js series! In the last post, we learned how...

Hello readers 👋, welcome to the 10th blog in our Node.js series! In the last post, we built a clean...

Where do files go after you upload them, and how do you get them back? You've set up Multer....

How to accept profile pictures, documents, and any file your users throw at your server. The...

Three terms that get mixed up constantly — and a clear guide to what each one actually does. When...

There is a conversation that has been going on in backend development circles for over a decade now,...