Software that's running in real companies today.
Melos monorepo — 20 internal packages, real-time updates via SignalR
Windows desktop app built with Flutter/Dart that serves as the central hub to download, update, and renew licenses across Contpaqi's 20+ accounting products. Real-time license status via SignalR. Melos monorepo with 20 internal packages. Backed by a shared C#/.NET library with EF Core + SQL Server.
→ ver caso de estudioZ-scores calculated using LMS method on Fenton 2025 and WHO standards
Growth assessment system used by doctors to track pediatric patients. Automatic Z-score calculation using the LMS method with Fenton → WHO transition. Clinical precision — not a prototype.
→ ver caso de estudioOffline-first synchronization for uninterrupted operation
POS system that never stops a sale. React Native + Expo with feature-sliced architecture, offline sync layer, automatic sync when connectivity returns. Built for businesses where 'the internet is down' can't mean 'we can't sell.'
→ ver caso de estudioClean/screaming architecture — module → controller → service → repository
TypeScript monorepo with NestJS following clean/screaming architecture. Drizzle ORM + PostgreSQL, Zod-shared validation, JWT auth, Vitest unit and integration tests.
→ ver caso de estudio
