Jan Marsch
CEO & Founder at OSM Buildings
Berlin, Germany
Summary
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RockstarJan Marsch is a Berlin-based software entrepreneur and geospatial engineer with 13 years of experience building production-grade mapping, 3D building, and web GIS systems. As founder and CEO of ONEGEO and previously 3dbuildings, he has aggregated and cleansed global building footprints from 30+ sources to deliver reliable 3D building data and hands-on expert support. He combines deep technical roots from long tenures as a senior engineer at OSM Buildings, HERE, CARTO and others with practical product leadership in smart buildings, BIM, and humanitarian geo-applications. Known for turning messy spatial data into dependable developer-ready assets, he still teaches and consults occasionally, reflecting a commitment to knowledge-sharing as well as shipping.
14 years of coding experience
21 years of employment as a software developer
German, English
Stackoverflow
33reputation
88reached
0answers
1question
Github Skills (61)
openstreetmap10
javascript10
geometry10
leaflet10
mapbox-gl10
cartodb10
openstreetmap-data10
3d10
maps10
osrm10
webgl9
geospatial9
geojson9
vector-tiles9
rgb-color9
Programming languages (9)
Github contributions (5)
OSMBuildings/osmbuildings
Mar 2015 - Oct 2020
Contributions:295 commits, 1 push, 1 branch in 5 years 8 months
kekscom/Color
Jan 2014 - Mar 2020
:koala: A very simple color tool for adjusting hue, saturation, lightning and alpha of a given RGB color.
Contributions:34 commits, 47 pushes in 6 years 3 months
rgb-color
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