Rick Clephas
Lead Developer at Ketjapp
Roermond, Limburg, Netherlands
Summary
🤩
Rockstar🎓
Top SchoolRick Clephas is a Lead Developer based in Roermond, Netherlands with nine years of hands-on experience building mobile and cross-platform applications. He leads app development at Ketjapp, evolving from intern to lead while focusing on Kotlin Multiplatform, iOS/Android clients, and backend integrations. Rick contributes to high-profile open-source projects like Kotlin and fastlane, where his work improved build tooling, Apple platform interop, and Android screenshot/testing workflows. Known for pragmatic engineering, he blends deep platform knowledge (SwiftUI, Jetpack Compose, Ktor) with robust test automation to ship reliable apps. Colleagues describe him as quietly ambitious—“attempting to create the apps of the future”—and comfortable tackling low-level build and async challenges across diverse targets.
9 years of coding experience
5 years of employment as a software developer
High School Diploma, Havo, Nature and Technology, High School Diploma, Havo, Nature and Technology at SG Sint UrsulaBachelor of Science (B.Sc.), Computer Software Engineering, Bachelor of Science (B.Sc.), Computer Software Engineering at Fontys Hogescholen
Dutch, English
Stackoverflow
1reputation
259reached
0answers
1question
Github Skills (25)
kotlin10
ios10
mobile-development10
swiftui-app10
java10
javas10
ktor10
combine10
kotlin-multiplatform10
android10
gradle-plugin10
macos10
watchos10
swiftui10
integration-testing10
Programming languages (8)
Github contributions (5)
JetBrains/kotlin
Dec 2021 - Sep 2022
The Kotlin Programming Language.
Role in this project:
Back-end Developer & Test Automation Engineer
Back-end Developer & Test Automation EngineerContributions:82 reviews, 14 commits, 9 PRs in 8 months
Contributions summary:Rick primarily contributed to the Kotlin Gradle plugin, focusing on enhancing the build process and testing. Their work included preserving symlinks during framework copies for Apple platforms and adding integration tests to verify the correct behavior of macOS frameworks. The user also implemented and tested features related to ObjC interop, specifically in the context of wrapped functions and annotations. These changes suggest a focus on improving the plugin's functionality and ensuring its reliability through rigorous testing.
maven-plugincompilerkotlinintellij-pluginprogramming-language
fastlane/fastlane
Sep 2019 - Feb 2020
🚀 The easiest way to automate building and releasing your iOS and Android apps
Role in this project:Mobile Developer (Android)
Mobile Developer (Android)Contributions:5 commits, 5 PRs, 44 comments in 4 months
Contributions summary:Rick made several contributions focused on the Android mobile app build, particularly related to the `screengrab` functionality within the fastlane project. The user added features to control the status bar, including methods to enable and configure a "clean" status bar. They also addressed a crash related to granting DUMP permissions. These changes demonstrate a focus on improving the testing and screenshot capabilities of Android apps.
fastlaneandroid-appsappsdeploymentreact-native
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