Bart Heesink - Owner at Leukeleu B.V

Bart Heesink

Owner at Leukeleu B.V

Randstad, Netherlands

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Summary

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Senior

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Top School

Bart Heesink is a pragmatic software founder and technical architect with 15+ years building resilient web platforms and leading small engineering teams from the Randstad. As owner of Leukeleu and former CTO/director roles at Jouw Omgeving and Avinty, he blends hands‑on full‑stack development with product-minded architecture and operational security. He specializes in security, privacy and open-standards systems that prioritize user control over vendor lock‑in and hype-driven tech choices. An active contributor to Django Fiber, he has improved both frontend and backend UX for content management, showing attention to maintainability and real-world admin ergonomics. Colleagues rely on him for durable, maintainable solutions that favor transparency and long lifecycles over quick wins. His background in communication systems helps him translate technical trade-offs into clear, business-focused decisions.

15 years of coding experience

14 years of employment as a software developer

Bachelor / ing., Communicatiesystemen, Bachelor / ing., Communicatiesystemen at HAN University of Applied Sciences

Hogeschool van Utrecht

Hogeschool van Arnhem en Nijmegen

Github Skills (8)

cms10

javascript10

python10

django10

front-end-development9

back-end-development9

css9

html8

Programming languages (2)

HTMLPython

Github contributions (5)

django-fiber/django-fiber

Apr 2011 - Jan 2014

Django Fiber - a simple, user-friendly CMS for all your Django projects

Role in this project:

Full-stack Developer

Contributions:18 commits in 2 years 9 months

Contributions summary:Bart primarily contributed to the Django Fiber CMS by implementing frontend and backend enhancements. They fixed issues in the JavaScript code, specifically regarding the image selection dialog and login form handling. Additionally, they optimized styling within the admin interface and introduced new features like an "is_public" field for pages, alongside corresponding styling adjustments for public/non-public pages.

cmspythondjangofiberdjango-projects

jouwomgeving/djangosaml2

Mar 2017 - Apr 2019

Contributions:4 pushes in 2 years 1 month

djangopythonmaintenance

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