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The argument sounds reasonable: fewer lines of code mean fewer bugs. Simpler to review, easier to...


A production story about payment retries, duplicate requests, Redis, distributed locks, and how idem...


Every senior backend engineer has sat in a war room while smart people argue over instincts. "It i...


The Magic Line That Raises the Right Question Spring Data JPA is a library that lets you...


A lot of people initially think ClickHouse performance problems come from: large queries bad...

Mismo backend, misma base, mismo k6. En las primeras corridas parecía que Embedded GlassFish mandaba...

Los query logs de Prisma ayudan a detectar patrones, pero si el problema vive adentro de PostgreSQL,...

Prisma query logs help you catch patterns, but if the problem lives inside PostgreSQL, the ORM won't...

Same backend, same database, same k6. In the first runs it looked like Embedded GlassFish was on top...


Geo-restrictions look simple until you ship them. Here's how to build jurisdiction-based access cont...


How Crudly uses dynamic runtime routing to give you a full CRUD API, playground, docs, logs, and web...


An account of the decisions, the mistakes, and everything I learned from building Culver.


This is the first post in a series I'm calling How Would I Build. I take a real engineering problem,...


A senior backend engineer's field notes on lock contention, goroutine leaks, semaphores, pprof, and ...


Every developer building a side project or a home automation pipeline eventually hits the same...


You open ChatGPT. You type a prompt. Within seconds: your request reaches a backend server, the....


"Selim, you have six months. In six months, the system either goes planet-scale, or we go bankrupt.....


A deep dive into building a Rust + Axum + Tokio backend that talks to Claude, OpenAI, and Ollama thr...


Sharding is real and necessary at scale. It's also one of the most prematurely adopted patterns in s...


You’re typing in a document. Someone else deletes the sentence you’re writing. Another person edit...


How a double-spend during testing taught me why financial systems treat duplicate requests as a...


Disclaimer Este texto foi inicialmente concebido pela IA Generativa em função da...


A survival guide for when everything goes wrong in production. There's a moment every engineer.....

Los tutoriales de auth muestran el happy path. Los problemas reales de identidad digital aparecen en...