Koen Rouwhorst
Head Of Security at Framer
Utrecht, Utrecht, Netherlands
Summary
🤩
RockstarKoen Rouwhorst is a pragmatic security leader with 12 years of engineering experience who currently heads Information Security at Framer and advises through Privesc. He combines hands-on software and DevOps skills with program-level security leadership, thriving in fast-paced, product-focused environments where he partners closely with product, engineering, and legal teams. Koen remains an active practitioner—contributing to Homebrew maintenance and improving Python back-end tooling—so he balances strategic risk reduction with code-level fixes and automation. Based in Utrecht, he is known for shipping secure products while keeping a maker’s mindset and an eye for practical, auditable solutions.
12 years of coding experience
Stackoverflow
81reputation
2kreached
4answers
0questions
Github Skills (27)
git10
package-management10
python10
apidoc10
twitter-api10
homebrew10
api10
scripting9
testing9
unit-testing9
environment-variables9
unit-test9
software-packaging9
shell9
script9
Programming languages (17)
Github contributions (5)
koenrh/delete-tweets
Apr 2014 - Jan 2021
Delete tweets from your timeline.
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 releases, 122 commits, 66 PRs in 6 years 10 months
Contributions summary:Koen primarily contributed to the back-end functionality of the tweet deletion script. Their work focused on fixing warnings, updating the script to read secrets from environment variables, decreasing sleep time, and adding unit tests. The user also refactored the TweetReader iterator into a generator and addressed Python 3 compatibility issues, enhancing the overall robustness and maintainability of the project.
pythontimelinetwitterdelete-tweetstweets
Homebrew/legacy-homebrew
Mar 2015 - Sep 2015
💀 The former home of Homebrew/homebrew (deprecated)
Role in this project:DevOps Engineer
DevOps EngineerContributions:9 commits, 11 PRs, 2 comments in 6 months
Contributions summary:Koen contributed to updating various formulas within the Homebrew legacy repository. Their work involved updating URLs, SHA256 checksums, and other metadata related to package updates for tools like `s3cmd`, `exiftool`, `pgpdump`, `git-lfs`, and others. The contributions focused on maintaining and ensuring the packages' integrity within the Homebrew package manager framework, ensuring users could install the latest versions of the respective utilities.
macoshomebrew
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