Work
The work I'd point to first — the venture I'm a co-founder of, plus case studies and demos I've shipped.
§1Live and clickable apps
Proximata
Co-founder & CTO — AI-native products lab
Vienna-based hacker lab building AI-native products. I co-founded Proximata and lead technical strategy as CTO — from infrastructure to venture-building and spinoffs.
[ai systems] [venture building] [infrastructure]
Open Drone Space
Open-source minded map for drone pilots — data pipeline engineer
An open-source minded map for drone pilots, showing Hungary's static drone airspace layers (no-drone zones, aerodrome zones, airspace). I engineered the data pipelines for different interval scraping/fetching from a dozen of sources.
opendrone.space ↗open-drone-space-data ↗
[data pipelines] [geospatial] [open source] [aviation]
Skills
Global skill library for my AI agents
The global skills I use for my agents across different projects — reusable, versioned skill definitions shared by every agent setup I run.
[ai agents] [open source]
§2Case studies
MSc capstone — Budapest rental prediction
ingatlan.com × CEU · end-to-end modelling report
Public-facing summary of my MSc Business Analytics capstone: temporal validation, geospatial enrichment (WorldPop + Sentinel-2 NDVI on H3), model leaderboard, SHAP diagnostics, and product recommendations.
[ml] [geospatial] [capstone]
Sovereign data platform
Data Engineer
Turning a 20-year-old telco data estate — full of sensitive customer data and bound by strict EU regulation — into a nimble, cloud-native lakehouse.
- Apache Iceberg lakehouse on Google Cloud with automated Airflow ingestion for the fixed-line segment.
- Scalable ML solutions and pipelines delivered through GitLab CI/CD.
[gcp] [bigquery] [python] [apache iceberg] [airflow] [gitlab ci/cd]
Domestic network optimization
Data Scientist
Greenfield geospatial machine learning for domestic retail-network optimization at Hungary's largest telco and banking companies. A small team covered end-to-end data and ML modelling, from feature store to client presentation.
- End-to-end delivery of ML models for external B2B clients, on a custom geospatial and location-based feature store.
- Unsupervised models for network-infrastructure optimization, with Explainable AI (XAI) to build business trust in model decisions.
- Automated web scraping for competitive intelligence and interactive geospatial visualizations for strategic network planning.
[python] [scikit-learn] [tensorflow] [gis] [bigquery]
Vodafone Hungary data migration
Data Engineer
Moving the data and analytics platform of Hungary's second-largest telco — ~3.8M residential and business subscribers after the UPC Hungary acquisition — to Google Cloud.
- Built ETL pipelines migrating critical on-premise data to cloud-based environments.
- Designed and implemented optimized data marts on a cloud-native lakehouse architecture.
- Worked with cross-functional stakeholders to define technical data requirements.
[gcp] [bigquery] [sql] [etl] [lakehouse]
§3Demos
Comics Factory
ML-driven SaaS for stylized comics with consistent characters
Generate stylized comics with consistent characters from a handful of reference images. Built at Hungary's first hacker space using Supabase, Firebase, and modern image-gen pipelines.
[llms] [image gen] [saas] [supabase]
CEU FeedForward
Anonymous student-feedback platform for CEU
MVP demo of a secure, GDPR-compliant student feedback platform — registration with a verified @student.ceu.edu email, structured ratings, free-text comments, and institutional dashboards.
[civic tech] [privacy] [higher ed]
PDF → Word
Convert a PDF to .docx, all in the browser
Drop a PDF in and download an editable .docx. Runs entirely client-side using pdf.js — no file ever leaves your machine.
[utility] [client-only] [pdf]
Unibridge
Onboarding companion for international students in Vienna
Multi-language prototype that walks new students through housing, health insurance, visa, and local admin. Built as a public-good civic-tech experiment.
[product] [i18n] [civic tech]