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I will do location intelligence and site selection with python, h3 and web maps
Balint D
Über diesen Service
Where should you open, invest or expand? I turn location data into clear answers: scored sites, explainable models and interactive maps you can share.
I built geospatial ML features and network-planning maps for a national telco's B2B clients, and a Budapest rent model on Uber H3 hexagons with Sentinel-2 greenness and WorldPop population data (9.8% median error on 50,000 listings). I also run opendrone.space, a live drone-airspace map fed by official aviation data.
What I deliver:
- Site selection and catchment analysis (population, competitors, POIs, travel-time isochrones)
- H3 hex-grid location features ready for machine learning
- Satellite and open data: Sentinel-2, WorldPop, OpenStreetMap, Eurostat
- Explainable scoring and predictive models (XGBoost, SHAP)
- Interactive web maps (Leaflet, kepler.gl) with automated data refresh
- Real estate location analytics: rent, yield, neighbourhood quality
Stack: Python, GeoPandas, H3, rasterio, OSMnx, DuckDB spatial, BigQuery GIS, PostGIS.
Every package includes reproducible code and open formats (GeoParquet, GeoJSON).
EU-based. Please message me before ordering so I can check data availability for your area.
Lerne Balint D kennen
Balint D
Data Engineer
- AusUngarn
- Mitglied seitSept. 2026
- ⌀ Antwortzeit1 Stunde
- Letzte Lieferung3 Tage
Sprachen
Ungarisch, Englisch, Spanisch, Deutsch
I am a Data Engineer and CTO with practical knowledge in telco companies and geospatial analytics on Google Cloud. I have experience in deep learning for biomedical imaging and leading technical strategy for AI-native products. I am an active builder in hacker spaces, creating web apps for visual storytelling and scalable data pipelines.
Mein Portfolio
FAQ
What data do I need?
Your locations or customer data if you have them. I source open data: OpenStreetMap, WorldPop, Sentinel-2, Eurostat and national statistics.
Which areas can you cover?
Anywhere with good open data; Europe is strongest. I confirm data availability for your area before you order.
Do I get the code and data?
Yes: notebooks, scripts and outputs in GeoParquet, GeoJSON and CSV.
Can the map be embedded on my website?
Yes, as an embeddable web map, or hosted on your own cloud with the deployment extra.
Can you refresh the data regularly?
Yes, with the scheduled data refresh extra; ongoing hosting can be arranged as a custom offer.
How do you handle customer location data?
It stays in your accounts, used only for the project, EU-based, NDA on request.
Can I see examples?
opendrone.space · Budapest rent model: balintdecsi.dev/featured/msc-thesis
What counts as a revision?
Changes within the agreed area, layers and features. New areas or data sources are extras.
