Ariel Pchara

Senior Fullstack Engineer | React & Node.js Specialist | TypeScript, Microservices, AWS

Blog

Thoughts on software architecture, JavaScript, and engineering craft.

AI Architecture Engineering

I rebuilt a project from scratch in under 24 hours — using AI as my Copilot

52 commits, 69 files, ~3,600 lines of code — in under 24 hours. What it actually takes to use AI effectively on a real project: architecture first, explicit instructions, and constant supervision.

TDD Testing TypeScript

Maybe you need a better experience with TDD

Not about coverage. It's about design guided by the behavior you want to see — how the order in which you think about tests changes everything, with practical TypeScript examples.

JavaScript Async

JavaScript async is hell

A deep dive into callbacks, promises, async/await, generators, and observables — understanding JavaScript's asynchronous model and when to use each approach.