Wille Marcel
Map Data Engineer
Bahia, Brazil
Summary
🤩
Rockstar🎓
Top SchoolWille Marcel is a Map Data Engineer with 14 years of experience building tools to collect, manage, distribute and analyze geospatial data, currently at Development Seed in Bahia, Brazil. He blends full-stack Python/Django and front-end React expertise with deep OpenStreetMap and GIS domain knowledge, contributing UI and workflow improvements to high-profile OSS projects like the iD editor and HOT Tasking Manager. His background includes developing OSMCha at Mapbox to validate edits and leading product work on Tasking Manager v4 at HOT, reflecting a strong mix of engineering and product ownership. Comfortable across satellite imagery pipelines (GDAL), APIs, and validation tooling, he focuses on practical solutions that make map data more usable for humanitarian and civic applications. An unusual strength is his ability to move between pixel-level imagery processing and user-facing interfaces, bridging data engineering and UX.
14 years of coding experience
13 years of employment as a software developer
graduate, Social Comunication - Radio and TV, graduate, Social Comunication - Radio and TV at Universidade Federal de Sergipe
English, Spanish
Stackoverflow
21reputation
269reached
3answers
1question
Github Skills (26)
editors10
javascript10
python10
ui-design10
editor10
flask-ask10
mappings10
uid10
front-end-development10
flask10
react10
api-design9
restful-api9
postgresql9
test-driven-design9
Programming languages (20)
Github contributions (5)
hotosm/tasking-manager
Oct 2018 - Dec 2022
Tasking Manager - The tool to team up for mapping in OpenStreetMap
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:39 releases, 186 reviews, 1233 commits in 4 years 2 months
Contributions summary:Wille appears to be a full-stack developer, with contributions spanning both the front-end and back-end of the Tasking Manager. They implemented new features, like the user interests endpoint, and made adjustments to configuration files. The user also updated the components for creating or updating projects. Additionally, they worked on the front-end to create elements such as the validation process and components.
openstreetmappythonjavascriptreactjspostgresql
openstreetmap/iD
Jun 2016 - Oct 2020
🆔 The easy-to-use OpenStreetMap editor in JavaScript.
Role in this project:Front-end Developer
Front-end DeveloperContributions:40 commits, 32 PRs, 49 comments in 4 years 5 months
Contributions summary:Wille primarily contributed to the user interface aspects of the OpenStreetMap editor. Their commits involved modifying UI elements, such as button placements and adding information panels to the measurement feature. They also addressed the user interface by updating URLs related to project external tools. Furthermore, the user worked on UI testing, modifying tests related to determining the number of lanes.
javascriptopenstreetmapd3editormapping
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