Arjan Molenaar
Software Engineer (via Xebia) at Marktplaats
Almere, Flevoland, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolArjan Molenaar is a seasoned software engineer with 24 years’ experience delivering customer-focused solutions across Java, Python, Unix and cloud platforms, currently embedded at Marktplaats via Xebia. He blends disciplined practices like TDD and Specification by Example with hands-on work across full-stack, CI/CD and infrastructure roles, from embedded M2M systems to large-scale cloud connectors for Deutsche Bahn’s Sensors4Rail. An active open-source contributor, he has improved tooling and UX in projects like FitNesse and advanced diagram auto-layout and Sphinx integration for the Gaphor modeling tool. Known for pragmatic engineering and attention to web standards, he also brings macOS-specific GTK expertise and a knack for untangling drag-and-drop and event-handling edge cases.
24 years of coding experience
24 years of employment as a software developer
Ing. Electrical Electronics and Communications Engineering, Ing. Electrical Electronics and Communications Engineering at Inholland University of Applied Sciences
English, Dutch
Stackoverflow
91reputation
3kreached
6answers
0questions
Github Skills (30)
objective-c10
diagramming10
event-handling10
python10
gdk10
sphinx10
drag-and-drop10
fitnesse10
c1110
ui-design10
java10
c1710
javas10
uid10
front-end-development10
Programming languages (19)
Github contributions (5)
gaphor/gaphor
Dec 2001 - Jan 2023
Gaphor is the simple modeling tool
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:2 releases, 387 reviews, 5197 commits in 21 years 4 months
Contributions summary:Arjan contributed significantly to the development of the Gaphor application by adding and refining features within the Sphinx extension. They implemented a diagram directive, enhancing integration with Sphinx documentation. They also implemented various features for auto-layouting diagrams (including specific support for UML diagrams). These changes include core changes like adding the ability for elements to be deleted or added to the model.
pythonumlagent-based-modelingmodel-based-systems-engineeringgaphor
unclebob/fitnesse
Oct 2010 - Dec 2018
FitNesse -- The Acceptance Test Wiki
Role in this project:Back-end Developer
Back-end DeveloperContributions:2801 commits, 264 PRs, 316 pushes in 8 years 3 months
Contributions summary:Arjan primarily contributed to FitNesse's functionality by modifying and adding to its existing code, specifically focusing on the user interface and table handling. These changes included updating styling for content editable blocks, modifying collapsible sections and their states, and enhancing the table editing tools within the Rich Text Editor (RTE). Additionally, the user improved the system by adding options for setting the statement timeout in the Slim test system. The user’s efforts were concentrated on improving the user interface and the test running capabilities.
wikiacceptancefitnesse
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