David Carrera
GIS Developer And Trainer at Freelance
Oyón/Oion, Autonomous Community of the Basque Country, Spain
Summary
👤
Senior🎓
Top SchoolDavid Carrera is a Technical Lead and seasoned geospatial data engineer with 14 years of professional experience and over 20 years working with GIS technologies, currently driving data product industrialization and API-enabled geospatial services at unica360. He blends deep hands-on skills in PostGIS, PyQGIS, Python ETL and OSM/POI processing with project leadership—optimizing SQL and Python pipelines for scalability, automation and international deployment. As a trainer at Barcelona Activa and long-time freelance developer, he regularly translates complex spatial requirements into production-ready databases, QGIS plugins and map viewers, and maintains a public GitHub with many of his tools. Comfortable operating across consultancy, product and teaching roles, he’s equally at ease refactoring legacy systems for performance as designing new geospatial APIs and validation workflows.
14 years of coding experience
19 years of employment as a software developer
Postgraduate in SAP R/3 integrated management, Postgraduate in SAP R/3 integrated management at Fundació Politècnica de CatalunyaUPC Universitat Politècnica de Catalunya
Spanish, Catalan, English
Stackoverflow
1reputation
0reached
0answers
0questions
Github Skills (21)
sql-query10
database-access10
python10
qgis10
wps10
wfs10
open-source10
water10
wcs10
gis10
database-design10
rdbms10
cycle10
mysql9
postgresql9
Programming languages (3)
Github contributions (5)
daviderill/swmm_epanet
Jan 2012 - Nov 2012
Contributions:17 commits in 10 months
daviderill/expedients
Jan 2015 - Dec 2015
Contributions:73 commits, 66 pushes in 11 months
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