Articles

Writings on front-end, architecture, and product.

Case StudyEngineeringAI
September 17, 2026
How I built Domina ENEM: architecture, applied AI, and scaling exam processing
How I designed the architecture for Domina ENEM, combining Next.js, Supabase, deterministic data pipelines, and LLMs to turn years of exam papers into structured data.
#Next.js#TypeScript#Supabase#PostgreSQL#AI Engineering#Data Pipelines
13 min read
Case StudyEngineering
September 2, 2026
How I built a Local-First platform with Next.js 16 and Web Audio API to unlock my English speaking
From blockers in daily meetings to building a shadowing studio with offline phonetics, waveforms and AI on demand.
#Next.js#Web Audio API#AI#Local-First
7 min read
August 14, 2026
I'm building Monora: where the idea came from
How an expense-tracking app idea evolved into a product that aims to guide financial decisions without bureaucracy or judgment.
#produto#engenharia de software#finanças pessoais#build in public
5 min read

How I built Domina ENEM: architecture, applied AI, and scaling exam processing