Sven de Varennes

Developed and maintained Python-based control and automation software for multi-beam mask writer systems in a high-precision semiconductor R&D environment. Owned technical design and implementation of features across automation, hardware interfaces, distributed services, and data processing.

Extended GraphHopper with custom OpenStreetMap processing and developed road-curvature scoring for motorcycle-focused routing. Developed backend and microservice functionality for routing, geocoding, and live GPS tracking, and owned releases, deployments, and server operations.

Developed Python backend systems for geocoding, natural-language processing, feature extraction, data normalization, and geospatial search for a real-estate aggregation platform. Named inventor on a geocoding patent and developed a Python/PostGIS geocoder.

Developed backend and database systems for university administration and research, including a CMS for versioned publication of articles, conference sites, and staff pages.

Developed a location-intelligence platform combining environmental, demographic, political, and real-estate open data, with PostGIS/MySQL Spatial normalization.

Developed a research application for retrieval, processing, and sharing of astronomical image data as part of a University of Vienna cooperation.

Performed software localisation in Swedish, French, English, and Brazilian Portuguese, and conducted unit and end-to-end testing.

Developed a mobile stock/order application with OCR and multilingual product-data crawling and normalization.

Worked as a software developer.