Marc Schoolderman
Senior Software Engineer at Tweede golf bv
Arnhem-Nijmegen Region Netherlands
Summary
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RockstarMarc Schoolderman is a Senior Software Engineer based in the Arnhem-Nijmegen region with 23 years of experience building robust backend systems. Currently at Tweede golf bv, he brings deep systems-level thinking and a pragmatic approach to safety and maintainability. An active open-source contributor, he helped implement a memory-safe rewrite of sudo/su—building a parsing framework for sudoers, refactoring for clarity, and adding permission, alias, and numeric ID support. His work shows a focus on secure, auditable tooling and a knack for turning low-level security concepts into practical, production-ready code.
22 years of coding experience
Github Skills (10)
rust10
text-parsing10
parsing10
back-end-development9
algorithms6
algorithm6
data-structures6
data-structure6
api-design5
api5
Programming languages (10)
Github contributions (5)
trifectatechfoundation/sudo-rs
Jan 2023 - Mar 2023
A memory safe implementation of sudo and su.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:3 releases, 313 reviews, 60 commits in 1 month
Contributions summary:Marc has been actively involved in implementing a memory-safe implementation of sudo and su. Their contributions include developing a robust parsing framework for sudoers, refactoring code for better readability, and adding essential features. The user focused on incorporating sudoer semantics, including permission checking and integrating alias functionality. Furthermore, they added support for numeric user/group identifiers.
memorymemory-saferustsudosafe
squell/because
Mar 2015 - May 2016
Contributions:102 commits, 40 pushes, 3 branches in 1 year 1 month
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