About Kai
I build custom geospatial tools and automation systems that replace manual GIS workflows with production-grade solutions. Specializing in QGIS plugin development (PyQGIS), Python spatial data pipelines, and PostGIS database architecture — delivered fully remote for infrastructure, telecom, and energy clients across Germany and the Netherlands.
German
Native or bilingual
English
Fluent
Remote only
Primarily works remotely
Experience
- Telegis Netzplanung (Geospatial Consultancy)GIS Developer & Spatial Automation SpecialistTELECOMMUNICATIONSJuly 2023 - Today (2 years and 11 months)Germany• Designed and built custom QGIS plugins (PyQGIS/Python) consolidating multiple manual workflows into unified automation tools• Developed spatial data pipelines for large-scale infrastructure planning projects across Germany• Delivered constraint mapping and network topology analysis for fiber rollout projects covering 10,000+ household units• Managed full project lifecycle independently — from geodata ingestion to final client deliverable — fully remote
- Self-employed / Independent ContractorFreelance GIS DeveloperTELECOMMUNICATIONSDecember 2021 - June 2023 (1 year and 6 months)Germany• Automated broadband network planning workflows using QGIS and Python for Deutsche Telekom AG infrastructure projects• Built structural network maps (network hub → distribution point → household connection) with automated labelling pipelines• Delivered GIS-based site suitability analysis for wind energy developers — cadastral constraint mapping, exclusion zone analysis, and land ownership identification using open geodata sources• Delivered spatial analysis outputs remotely across multiple concurrent client projects
- VolkerWessels TelecomGIS Specialist | Fiber Network PlannerTELECOMMUNICATIONSJune 2019 - November 2021 (2 years and 5 months)• Multi-year remote engagement with VolkerWessels Telecom — one of the Netherlands' largest infrastructure contractors, with operations across Germany and the Netherlands• Planned and designed fiber optic networks; built spatial planning workflows for large-scale residential rollout projects• Produced construction documentation and geodata deliverables for field teams and engineering departments
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Education
- GIS Analyst CertificateGIS Academy Berlin2015GIS Analyst Certificate
- Diplom-Geologist (equiv. M.Sc.)Friedrich-Alexander University2014Diplom-Geologist (equiv. M.Sc.)
Certifications
- GIS Analyst CertificateGIS Academy Berlin2015