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davras5/README.md

Hi, I'm David

Data & GIS Specialist at the Swiss Federal Office for Buildings and Logistics (BBL) in Bern, designing data architectures and integration solutions for Swiss federal real estate management.

I build solutions that bridge enterprise data management, GIS and BIM - from metadata standards to interactive visualizations. Most of my projects follow a no-framework philosophy: vanilla JavaScript and a focus on Swiss data sovereignty.

Location Employer

Geospatial Analysis Enterprise Architecture

Python JavaScript

Projects

Real Estate & Portfolio Management

  • gis-immo - Interactive GIS web application for visualizing and managing the Swiss federal real estate portfolio. Features map, list, and gallery views with Mapbox GL JS.
  • transaction-immo - Property sales platform for Swiss federal real estate. Features interactive Mapbox maps, advanced filtering, gallery/list/map views, and detailed property information.
  • competition-immo - Dashboard for managing and evaluating architecture competitions. Compare building project variants across sustainability criteria with interactive maps and multi-dimensional evaluation.

BIM & Construction

  • kbob-fdk - Web mockup for the KBOB BIM technical data catalog featuring classifications, LOI attributes, and IFC mappings for building elements.
  • ifc-viewer - A lightweight, zero-install BIM viewer for IFC files. Load models directly in your browser, inspect element properties, and export building data to Excel.
  • plan-check - A validation tool for floor plan drawings. Upload, check, and ensure data quality for CAD/DWG files.

Open Data & Geodata

  • OpenBuildings - Swiss building data made open, harmonized, and reusable. Aggregates official Swiss datasets into a consistent reference layer for analysis, integration, and practical use.
  • meta-bv - Data catalog prototype for the Swiss Federal Office of Buildings and Logistics for documenting business objects and metadata according to DCAT-AP CH.

Project Management & Procurement

  • pm-cockpit - Swiss federal construction project management dashboard with interactive maps, multi-view displays, and advanced filtering.
  • tender-scout - AI-powered tender matching platform for Swiss SMEs. Aggregates public contracts from SIMAP and cantonal portals with personalized recommendations.
  • task-canvas - UX prototype for a project management tool with list, canvas, wiki, and analytics views.

Other

  • Glimpse - Single-file photo gallery viewer with folder navigation, thumbnail strip, keyboard shortcuts, and slideshow playback. Zero dependencies, fully offline-capable.

Based in Switzerland · Building for the public sector

Pinned Loading

  1. gis-immo gis-immo Public

    Interactive GIS web application for visualizing and managing the Swiss federal real estate portfolio (BBL). Features map, list, and gallery views with Mapbox GL JS.

    JavaScript 1 1

  2. ifc-viewer ifc-viewer Public

    A lightweight, zero-install BIM viewer for IFC files. Load Industry Foundation Classes models directly in your browser, inspect element properties, and export building data to Excel, all without a …

    HTML

  3. meta-bv meta-bv Public

    Data catalog prototype for the Swiss Federal Office of Buildings and Logistics (BBL) for documenting business objects and metadata according to DCAT-AP CH.

    HTML

  4. kbob-fdk kbob-fdk Public

    Web mockup for the KBOB BIM technical data catalog featuring classifications, LOI attributes, and IFC mappings for building elements.

    JavaScript 1

  5. OpenBuildings OpenBuildings Public

    Swiss building data made open, harmonized, and reusable. OpenBuildings aggregates official Swiss datasets into a consistent reference layer for analysis, integration, and practical use. Fully open-…

    Python 2

  6. competition-immo competition-immo Public

    Dashboard for managing and evaluating architecture competitions. Compare building project variants across sustainability criteria with interactive maps and multi-dimensional evaluation.

    HTML