Backend Engineering

As part of my apprenticeship at Zone01 Kisumu, my team and I built Groupie Tracker — a web app that...

When developers first try to learn the Node.js Event Loop, they are usually handed a circular diagram...

We have seen how you design a workflow and how the domain model keeps it strictly type-safe. Today,...

Every Java program is built from the same bricks: variables to store data, types to describe data,...

Cypress or Selenium are frameworks that are widely used for web application testing, yet teams often...

Java remains one of the world’s most popular and widely used programming languages. Continue reading on Medium »

Originally published at Perl Weekly 777 Hi there! In the recent weeks I looked at a lot of MetaCPAN...

The most misunderstood feature in JavaScript isn’t actually complicated. We’ve just been teaching it backwards. Continue reading on JavaScript in Plain English

This article speaks about my learnings on implementing an asynchronous, single-threaded caching DB with python that is fully compliant… Continue reading on Medi

Multi-tenancy and queues in Laravel hide three silent bugs: lost tenant context, cache key collisions, and broken job retries. Here is how to fix them.

​ ​ Hi everyone, ​ I'm planning a career change into software development and have decided to start learning JavaScript as my first programming language. Before

weeklyfoo #141 is here: your weekly digest of all webdev news you need to know! This time you'll find 42 valuable links in 4 categories! Enjoy!

Every "free online PDF tool" uploads your files to a server. I built one that doesn't — and here's...

When it comes to Linux most of us have a thought which is “Linux is complicated and only used by programmers”. Continue reading on Medium »

Cómo un backend de FastAPI + asyncpg comparte un solo Postgres chiquito con sus propios trabajadores...

Your API hands out 50 records at a time across 400 pages. You need all of them. You do not need them all at once. Continue reading on Level Up Coding »

Same code that worked in Next 14 will return 200 with a missing og:image in Next 16 — and the workaround is a 5-line API route. Continue reading on Level Up Cod

Every time you run npm install, you are adding code that will execute in your production environment: code written by someone you have… Continue reading on Leve

After years of using inheritance, I discovered that one misunderstood keyword was causing subtle bugs, confusing behavior, and unnecessary… Continue reading on

Stop manually running SQL scripts across environments. Version your database schema the same way you version your application code. Continue reading on Medium »

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

I’m building RustAuth, an authentication toolkit for Rust applications. The idea is simple: give...

There's a lot of talk about software developer salaries in Turkey, but from my observations, a clear...

Gradual rollouts, A/B testing, beta user groups, kill switches for broken features, and per-tenant flags in a multi-tenant app — Laravel… Continue reading on Me

Every way to host Fider, the open-source Canny alternative, ranked by real monthly cost. The cheapest managed option, the cheapest DIY option, and why a flat $3

A developer portfolio that loads instantly, asks for nothing, and just shows you the work — built by someone who’d rather write code than… Continue reading on M

If you've built on Ethereum and you're now exploring Solana, the first thing that will trip you up...

Well, if anyone want to create anything with the best perfomance, security and AI, I deeply think...

Fix Next.js Turbopack stuck on compiling issues. Complete troubleshooting guide with cache clearing, dependency fixes, and performance optimization solutions.

Learn webhook handling and event-driven architecture with Next.js and Supabase. Complete tutorial covering webhook security, retry mechanisms, and distributed s

The phase spec said "Curve A." The code had _DEFAULT_PHASES. They were not the same thing. That gap...

Yazılım dünyasına adım atan hemen herkes “OOP nedir?” sorusunu Google’da arar. Çoğu kaynak dört prensibi listeler, iki satır açıklar ve… Continue reading on Med

At Bytebase we work with PostgreSQL every day, both inside our own product and across the databases...

Companies stopped asking for these. Most developers don’t know yet. Continue reading on Write A Catalyst »

Learn how to add authentication in Next.js 16 using Clerk with protected routes, server components, server actions, and social login.

Recently, I built my first project using Django, and I thought I’d share a few things that might help anyone who is planning to start… Continue reading on Mediu

A deep, beginner-friendly walkthrough of execution contexts, the two phases of execution, lexical environments, the scope chain, and the… Continue reading on Me

Every dev tool I install seems to weigh more than my IDE. My API client, the thing I use to fire off...

I build a lot of small static sites — portfolios, landing pages, local business sites — and the...

While doing something as simple as adding 0.1 to 0.2, it gives me the funky result of 0.30000000000000004. I know this has something to do with floating point p

After having made the switch to Arch Linux from W10, I have been interested in how packages/desktop (e.g. Spotify, Discord, VSCode) applications are made. I hav

For years, I assumed YAML was simply a more readable version of JSON. Many developers do. Then I...

What is the OAuth2.0 Authorization Framework? Continue reading on Medium »

As the title states, though if you can, you could also go through strncpy() and strlcpy()! submitted by /u/Bubbly-Ball-3138 [link] <a href="https://www.reddit.c

Sharing the process of solving performance issues with observer pattern visualization and data processing in a Node.js backend. Check out the attempts, pitfalls

Every backend engineer has seen this happen, you build an application on a relational database like...

Building a SaaS from a blank Next.js repo feels flexible at first. But most developers eventually...

Hey Dev.to community! 👋 I'm Yashwardhan Sharma, a 17-year-old tech builder from Jamshedpur, India,...