Jasper Jager
Senior Backend Developer at Self-Employed
Amsterdam, North Holland, Netherlands
Summary
👤
Senior🎓
Top SchoolJasper Jager is a Senior Backend Developer based in Amsterdam with seven years of focused experience building scalable web systems and a broader 15+ year practical history as a freelance and entrepreneurial developer. He blends hands-on backend engineering in municipal and commercial projects—most recently at the City of Amsterdam and Reliving.nl—with freelance cloud and full-stack work, giving him strong product sensibilities alongside system-level thinking. Jasper is comfortable owning services from architecture through deployment and scaling, and his long-running self-employment reflects a knack for adapting to diverse tech stacks and client needs. Educated in media technology, he brings a user-centered perspective to backend problems, often translating product requirements into robust, maintainable systems. Notably, his career shows recurring collaborations with the City of Amsterdam, indicating trusted domain expertise in public-sector platforms.
8 years of coding experience
12 years of employment as a software developer
BA Mediatechnolgy, BA Mediatechnolgy at HU University of Applied Sciences Utrecht (Hogeschool Utrecht)
Github Skills (27)
gob10
bag10
django9
geojson9
wfs9
geodjango9
gml9
flask-api9
wms8
mapserver8
django-rest-framework8
data-modeling8
json-schema8
ogc8
golang7
Programming languages (5)
Github contributions (5)
Amsterdam/brp-kennisgevingen-api
Jan 2025 - Apr 2026
Haal Centraal BRP Update API to subscribe to changes in the BRP.
Contributions:17 reviews, 33 PRs, 45 pushes in 1 year 2 months
djangodjango-rest-frameworkteam-datadiensten
Amsterdam/flask-audit-log
Apr 2020 - Dec 2021
Contributions:2 releases, 1 PR, 4 pushes in 1 year 8 months
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