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Work

Two products designed and built end to end, plus public work worth showing. Every number in the case studies comes from the project's own generated documentation, not rounded up for effect.

01
Live
In active development

Ecclesiam

An app that answers where and when Mass is — along with confession, adoration and each parish's own events. Behind it, a dashboard for parish staff and bishops, and one backend holding every rule.

Django
PostgreSQL
Next.js
React Native
Expo

Read the case study

02
In development

Nexfi

Personal and family finance in one place: expenses, cards, investments, savings pots and net worth, in any currency. The number shown biggest is what you still have left to spend — and you can self-host all of it.

Django
React
Vite
PostgreSQL
Docker

Read the case study

03
Live

virtusdev

A barcode reader and a bill acceptor that do not exist: both emulated on Linux as a USB keyboard, so point-of-sale software can be tested against real input. Nothing to buy, and nothing left cluttering a desk.

Rust
Linux

View source

04
Live

NBA Basketball Prediction

Final-year thesis, written with three classmates: a genetic algorithm that picks the winner of an NBA first quarter from how both teams played their past ones. It reached 58.84%, short of the 70% asked for — and says so.

Python
Genetic Algorithms
Selenium
SQLite
NumPy

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Waldrich

Senior Software Engineer building backend systems and hardening infrastructure, across 850+ production sites. Based in Blumenau, Brazil.

contact@waldrich.lu

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