Thijs Kinkhorst
Technical Product Manager at SURF
Utrecht, Utrecht, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolThijs Kinkhorst is a Technical Product Manager and seasoned UNIX/Linux systems expert with 24 years of experience building and operating web-based services and federated identity systems. Based in Utrecht, he combines hands-on development and administration with product leadership at SURF, where he has been a core contributor to SURFconext and SURFcert. An active open-source maintainer and Debian developer, he has contributed backend fixes and authentication improvements to the widely used SimpleSAMLphp project. He runs multiple freelance and entrepreneurial ventures, evidencing a strong mix of consultancy, operations, and long-term product stewardship. Known for digging into low-level system details while shaping user-facing identity products, he brings pragmatic solutions for heterogeneous environments and federation challenges.
24 years of coding experience
6 years of employment as a software developer
Computer Science, Computer Science at Utrecht UniversitySystem and Network Engineering, System and Network Engineering at University of Amsterdam
Dutch, English, French, German, frisian
Stackoverflow
59reputation
4kreached
12answers
0questions
Github Skills (16)
user-authentication10
authentication10
php10
saml10
software-quality9
error-handling9
code-editor6
nginx6
eclipse6
azure6
apache6
idp6
federation6
azure-active-directory6
simplesamlphp6
Programming languages (22)
Github contributions (5)
simplesamlphp/simplesamlphp
Apr 2014 - Jan 2023
SimpleSAMLphp is an application written in native PHP that deals with authentication.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:3 releases, 183 reviews, 904 commits in 8 years 10 months
Contributions summary:Thijs primarily contributed to the SimpleSAMLphp project by addressing various issues related to authentication and SAML. Their work included improving error handling within the PHP code by integrating the error reporting mechanism and updating URLs and links to ensure proper functionality. Further efforts involved updating and fixing existing code related to authentication, and improving overall code quality and structure by addressing code style and dropping obsolete keywords.
securityphpauthenticationsaml2saml
thijskh/simplesamlphp
Jan 2015 - May 2018
Contributions:28 pushes, 15 branches in 3 years 5 months
securityphpauthenticationawarddeals
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