Jan-jelle Kester
IT Consultant at Info Support
Arnhem-Nijmegen Region Netherlands
Summary
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Rockstar🎓
Top SchoolJan-jelle Kester is an experienced IT consultant and backend engineer with 12 years of hands-on software development across fintech, mobility, and web hosting industries based in the Arnhem-Nijmegen region. He holds an MSc in Software Technology from the University of Twente and has rotated between Android and backend roles at companies like ING, Yolt, NS and Nationale-Nederlanden, demonstrating versatility across mobile and server-side systems. At Info Support he continues to apply this full-stack fluency to client projects while contributing to open-source—most notably implementing core models and logging controls for the django-auditlog project. Known for bridging pragmatic delivery with clean architecture, he also brings teaching and community experience from university TA roles and student association leadership. A practical problem-solver, Jan-jelle combines production-grade backend design with a developer’s eye for maintainable logging and auditability that often goes overlooked.
12 years of coding experience
14 years of employment as a software developer
Master of Science (MSc), Software Technology, Master of Science (MSc), Software Technology at University of TwenteVWO, VWO at Dominicus College
Dutch, English
Stackoverflow
695reputation
18kreached
7answers
0questions
Github Skills (14)
audit10
3d-models10
logging10
auditing10
data-models10
machine-learning-models10
python10
django10
json8
django-models6
django-rest-framework6
django-mptt6
warnings6
serialization6
Programming languages (8)
Github contributions (5)
jazzband/django-auditlog
Oct 2013 - Oct 2020
A Django app that keeps a log of changes made to an object.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:12 releases, 10 reviews, 205 commits in 7 years 1 month
Contributions summary:Jan-jelle's commits primarily focused on implementing core features for the django-auditlog app. They designed and implemented the models, including the LogEntry model, and the related management classes and functions. The user also refactored the project structure and added features such as excluding and including fields to control the logging of changes. These changes demonstrate a deep understanding of Django and the project's core functionality.
djangopythonauditing
jjkester/multiplatform-demo
Aug 2020 - Jun 2022
Contributions:10 commits, 3 pushes in 1 year 10 months
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