Go geospatial backend, <20 ms responses, AWS serverless migration, Vue.js WebGIS.

Web UI generator adopted across Mapbender geoportal deployments.

Senior GIS developer on Mapbender — vis-ui.js, Digitizer, public-sector geoportals.

YAML-configured browser editing for points, lines, polygons — 344 commits on mapbender-digitizer.

Subcontractor for GRID agency — PHP/MySQL microsites, Flash campaigns, VisCMS stack.