Timmy Weerwag is a Data Science Software Engineer with 12 years of experience bridging mathematics, embedded systems, and full‑stack development from the Arnhem‑Nijmegen region. A cum laude mathematics graduate, he combines rigorous analytical thinking with practical engineering, moving between embedded firmware, data science roles, and software engineering across companies like Inspiro, NAVARA and Alliander. He’s an active open‑source contributor to OpenRCT2, where he’s improved UI/UX and core gameplay mechanics—evidence of his knack for readable, maintainable code and reverse‑engineering complex systems. Timmy has academic experience as a PhD student and teaching assistant, which informs his methodical approach to problem solving and mentoring. Comfortable across the stack, he brings a history of shipping pragmatic solutions in both research and production environments while continuously expanding his technical repertoire.
12 years of coding experience
4 years of employment as a software developer
Master of Science (MSc) Mathematics, Master of Science (MSc) Mathematics at Radboud University
Bachelor of Science (BSc) Mathematics, Bachelor of Science (BSc) Mathematics at Leiden University
An open source re-implementation of RollerCoaster Tycoon 2 🎢
Role in this project:
Full-stack Developer
Contributions:39 commits, 12 PRs, 22 comments in 1 month
Contributions summary:Timmy primarily contributed to the user interface and core gameplay mechanics of OpenRCT2. They fixed a bug related to the resolution dropdown in the options menu and added an options button to the title screen, demonstrating work on UI elements. They also addressed the title screen, restarting music as needed and modifying window behavior. Furthermore, they made substantial changes to the footpath construction system, including decompiling and refactoring related functions.
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