Backend Engineering

public async Task> GetAllProductsAsync( int pageNumber, int pageSize, string? search, ...

I’m currently learning web development, and I wanted to do more than just follow tutorials. So I...

Most Java developers can explain HashMap, transactions, garbage collection, and concurrency. Senior interviews are designed to find out… Continue reading on Sta

Your API is healthy. PostgreSQL is healthy. Kubernetes is healthy. Then thousands of outbound connections start failing and everyone… Continue reading on Javare

Query count fell from 801 to one. The one query expanded into more data than the application could hold. Continue reading on Artificial Intelligence in Plain En

I want to know which YouTube tutorials will help me understand the topics best. I am trying to learn MERN stack but i am a complete beginner. submitted by /u/mu

Most Spring Boot interviews are not difficult because the framework has too many annotations. Continue reading on Medium »

Fixing the “D.map is not a function” crash by tightening DB indexes and normalizing the API...

Discover the differences between Node.js, Bun, and Deno, including performance, security, TypeScript, and the best use cases in 2026. Continue reading on Medium

Discover the differences between Node.js, Bun, and Deno, including performance, security, TypeScript, and the best use cases in 2026. Continue reading on Medium

If you’re a front-end or Node.js developer opening a Spring Boot project for the first time, you may experience a strange combination of… Continue reading on Me

For customer-support notifications, a Node.js push subscriber should verify the signed request,...

There’s a production failure I’ve seen people diagnose completely backwards. Continue reading on Javarevisited »

For free user : click here Continue reading on Medium »

Each of these five snippets runs without throwing an error. Each one passes a casual glance in code review. Each one has caused a real… Continue reading on Medi

Because eventually, every backend becomes a machine that waits for something to happen. There is a...

Your API can have the correct business logic and still have broken HTTP semantics. Continue reading on Medium »

They know how to build systems. They struggle when the system forces them to choose between two bad options. Continue reading on Medium »

Database failover triggered a 90-minute outage. The retry pattern that would have made it 60 seconds. Verified backoff + jitter. Continue reading on CodeX »

Hello world, it's Wednesday, August 26, 2026, and here's what happened This Week in PHP...

Introduction Async/await has become the de‑facto way to write readable asynchronous code...

The Quest Begins (The "Why") I still remember the first time I stared at a scoreboard...

TL;DR: The browser caught up while you weren't looking. As of 2026, all 13 of these APIs are Baseline...

Uploading a large file sounds simple — until the file is several hundred megabytes or even multiple gigabytes. Continue reading on Medium »

Java and Spring Boot interviews are increasingly moving beyond theoretical questions such as “What is dependency injection?” or “What is… Continue reading on Me

Short answer: put template creation and preview in a release workflow, then send the welcome email...

How to Build a CLI Tool with Python and Click tags: python, cli, tutorial, tools tags:...

"Node.js is single-threaded" — you've heard it a hundred times. So how does it handle thousands of...

Cuando trabajas en un backoffice que consume APIs con respuestas JSON enormes —listados de miles de...

If you've been coding for more than a week, you've probably typed git add ., git commit -m "fixed...

Quick check, if you have any Server Action handling a checkbox, a "subscribe to newsletter," an "I...

Git Commands Every Developer Should Know tags: git, programming, tools,...

Setting up a scalable test automation framework using Playwright JavaScript with BDD (Behavior-Driven...

Mastering Background Jobs: A Developer's Guide to BullMQ In modern web development, you...

One of the easiest things to write in Java is: Continue reading on Medium »

Most tutorials teach localStorage first. Here is what they leave out. Continue reading on Medium »

While working on a configuration-heavy project recently, I kept running into the same annoying...

Not the final numbers. The actual log: what I said, what they countered with, and the one sentence that added more than every spreadsheet… Continue reading on C

Not resume tips. The actual log: what separated the offers from the rejections, and the one pattern that had nothing to do with technical… Continue reading on L

XML Schema (XSD) is a language used to define the structure and rules of an XML document. It describes elements, attributes, data types… Continue reading on Med

Not the highlight reel. The actual incident-by-incident data: what paged me, what I got wrong, and the one habit that changed everything… Continue reading on Le

await does not wait for “the function to finish” in the general sense. It waits for one specific value to settle according to Promise… Continue reading on Skill

9.4.1 General Principles Continue reading on Medium »

If you’re building microservices in Go, managing databases, logs, traces and metrics manually gets overwhelming pretty fast. thats where… Continue reading on Me

A Deep Dive for Backend Engineers Continue reading on Medium »

Four authentication approaches. Completely different architectures. Continue reading on Medium »

Most Spring Boot developers know annotations like @RestController and @Service. Continue reading on Medium »

For a Next.js phone verification login, SMS OTP is the easy part; the backend state machine, resend...