Automation · 2026
Automated digital service desk
MVP selected as finalist in the Tienda Registrada 2026 challenge. An n8n workflow of about 60 nodes validates and audits point-of-sale backups with a local LLM and feeds a live IT dashboard.
LIST 2022-2026
Projects since I came back to IT in 2022: two featured cases, open-source tools and a published game.
Automation · 2026
MVP selected as finalist in the Tienda Registrada 2026 challenge. An n8n workflow of about 60 nodes validates and audits point-of-sale backups with a local LLM and feeds a live IT dashboard.
Data and AI
Machine-learning classifier trained on 25,674 pipe records: 84% recall on test data and 85% of deficient pipes flagged on 100 newly inspected sections.
Open source · MIT
Method, agent skill and Python pipeline to find empty niches in a market, with blind re-coding (Cohen's kappa) and a mirage test.
Data · open source · MIT
Rainfall analysis from rain-gauge CSV series: event detection, Huff curves and data cleaning. Streamlit app, CLI and Python module. Co-authored with Mónica Gallego.
Teoktonos · Android
Solo-built Android game published on Google Play: two wingsuit flyers, one per thumb, in a procedural canyon. One-time purchase, no ads, no tracking.
Teoktonos · Android · soon
Twin-stick black-hole dungeon. Clear all 10 levels. Soon on Google Play.
Other public repositories are on github.com/jmdevilleros (opens in a new tab).
Open source · MIT
Methodology and agent skill that turns an idea into a verifiable specification in 5 phases, with an autonomous mode and stop rules that hand control back to the human.
Open source · MIT
Agent skill and checklists to create or audit Android games before Google Play release.