Evert Etienne
Senior Software Engineer at Sitemark
Leuven, Flemish Brabant, Belgium
Summary
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Rockstar🎓
Top SchoolEvert Etienne is a Senior Software Engineer and engineering leader with 10 years of experience delivering scalable full‑stack products and building high‑performance teams across Belgium and remote-first environments. He blends hands‑on expertise in React, Node.js, Python and geospatial tooling with a track record of turning engineering work into measurable business impact, including driving a 6× increase in mobile app ARR at DataCamp. Comfortable switching between coding, architecture and people leadership, he has led squads, set technical strategy, and coached engineers to improve delivery and developer experience. An active open-source contributor, Evert has improved performance and usability in GDAL’s gdal2tiles and strengthened type safety in the widely used OpenLayers library—reflecting a strong focus on maintainability and real‑world performance.
10 years of coding experience
11 years of employment as a software developer
Master of Engineering - MEng Computer Science (Option AI), Master of Engineering - MEng Computer Science (Option AI) at KU LeuvenMaster of Engineering - MEng Computer Science, Master of Engineering - MEng Computer Science at Universitat Autònoma de BarcelonaEcole Fondamentale de la Communcauté Française, Hamme-MilleMathematics - Science, Mathematics - Science at Sint-Albertuscollege Haasrode
Spanish, Dutch, English, French, German
Stackoverflow
3reputation
5kreached
0answers
1question
Github Skills (9)
gdal10
javascript10
geospatial10
python10
raster10
spatial-data10
openlayers10
documentation9
typescript6
Programming languages (17)
Github contributions (5)
openlayers/openlayers
Nov 2021 - May 2022
OpenLayers
Role in this project:
Front-end Developer
Front-end DeveloperContributions:22 reviews, 9 commits, 11 PRs in 6 months
Contributions summary:Evert primarily focused on improving the codebase's type safety and documentation within the OpenLayers project. Their contributions included adding null types to various components, which prepares the project for strict null checks. They also fixed typos in the documentation of interaction components, and improved the handling of feature data. These changes demonstrate a commitment to code quality and maintainability within the project.
javascriptopenlayersgis
OSGeo/gdal
Nov 2019 - Mar 2021
GDAL is an open source MIT licensed translator library for raster and vector geospatial data formats.
Role in this project:Back-end Developer
Back-end DeveloperContributions:10 reviews, 12 commits, 11 PRs in 1 year 4 months
Contributions summary:Evert primarily contributed to the `gdal2tiles.py` script, modifying its functionality related to caching and zoom level handling. They addressed issues with cache calculations in multi-threaded tiling and fixed cache settings. Furthermore, the user implemented features to allow automatic max zoom levels when a minimum zoom is specified. These changes indicate a focus on improving the performance and usability of the tiling tool.
licensedrasteriogeospatialrasterdata-formats
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