Koen Punt
Owner - Handyman & Home Repair Services at Koen.
Utrecht, Utrecht, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolKoen Punt is a versatile full-stack engineer and entrepreneur with 14 years of professional experience and a decade-plus history of shipping software across frontend, backend and mobile platforms. He has focused recent years on elegant iOS development in Swift while also architecting GraphQL gateways, CI/CD pipelines and AWS deployments for consumer apps. A prolific open-source contributor and automation-minded engineer, Koen has improved projects like fastlane, nvm and React Native with practical DevOps and iOS-focused fixes that better test and release workflows. He has a track record of raising app quality (e.g., boosting crash-free rates at United Wardrobe) and introducing cross-platform strategies such as React Native integrations. Based in Utrecht, he pairs hands-on coding with running his own businesses, demonstrating both technical depth and entrepreneurial initiative.
14 years of coding experience
15 years of employment as a software developer
KWC CulemborgMultimedia Specialist, Web, Design, Motion, Video, Animation, Multimedia Specialist, Web, Design, Motion, Video, Animation at ROC MN Media Design
Dutch, English, German, French
Stackoverflow
26,229reputation
11.1mreached
182answers
6questions
ruby
top-5%
git
top-5%
twitter-bootstrap
top-5%
react-native
top-5%
jquery
top-5%
javascript
top-1%
Github Skills (99)
url-routing10
mobile-development10
testing10
rspec10
firewall10
bash10
ruby10
javas10
automation10
activerecord10
javascript10
jquery10
uid10
front-end-development10
sql10
Programming languages (24)
Github contributions (5)
sbugert/react-native-admob
Jul 2017 - Dec 2020
A react-native component for Google AdMob banners
Role in this project:
Mobile Developer (iOS)
Mobile Developer (iOS)Contributions:9 releases, 98 commits, 73 PRs in 3 years 5 months
Contributions summary:Koen made significant changes to the `react-native-admob` library, specifically reimplementing the `PublisherBanner` and `AdMobBanner` components for iOS. This involved updating the banner view properties to match the DFPBannerView, introducing new features like valid ad sizes, and ensuring compatibility. The user also updated the example app and added a new test for interstitial ads.
reactadmobreact-nativereact-native-componentandroid
jpfuentes2/php-activerecord
Jun 2012 - Jun 2017
ActiveRecord implementation for PHP
Role in this project:Back-end Developer
Back-end DeveloperContributions:1 release, 81 commits, 39 PRs in 5 years
Contributions summary:Koen primarily focused on improving the PHP ActiveRecord library. They addressed issues related to database interactions, specifically fixing SQL generation problems when using reserved keywords and improving the handling of date/time formats for different database adapters. They also added and updated database fixtures for multiple database systems, and refactored the codebase by removing unnecessary code and exception handling. This included improvements to validation logic and overall code quality.
railsphpactiverecordruby
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