Marcel Dierkes
IOS Developer at stadtraum GmbH
Erfurt, Thuringia, Germany
Summary
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RockstarMarcel Dierkes is an iOS and macOS developer with 14 years of experience building polished mobile and desktop applications from Germany. He has held senior engineering roles across startups and product teams—most recently at stadtraum GmbH after stints at Flexibits, Preventicus and NewStore—bringing deep Objective-C and Swift expertise to user-facing features and app architecture. Marcel contributes to open-source tooling such as KeepingYouAwake, where he improved startup behavior, menu interactions and refactored core controllers to boost maintainability. He combines hands-on feature delivery with thoughtful code organization, often tackling cross-platform UX details and system integrations. Colleagues rely on him to turn ambiguous product needs into robust, user-friendly implementations.
14 years of coding experience
8 years of employment as a software developer
German, English, French
Github Skills (15)
objective-c10
macos10
menu10
software-lifecycle10
menubar10
lifecycle10
front-end-development9
uid9
user-interface8
graphical-user-interface8
ui-design8
integrations7
api-design7
apim7
api7
Programming languages (5)
Github contributions (5)
newmarcel/KeepingYouAwake
Oct 2014 - Dec 2022
Prevents your Mac from going to sleep.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:36 releases, 5 reviews, 512 commits in 8 years 3 months
Contributions summary:Marcel contributed to the development of the macOS application by implementing features like an "activate on launch" option and a "start at login" option, enhancing user convenience. They also refactored the sleep wake controller into an app controller and sleep wake timer to improve code organization and maintainability. Furthermore, the user implemented and integrated a new menu to allow user interaction, and introduced a new event handler to manage URL scheme-based commands.
objective-ccaffeineapple-siliconmenubarmac
newmarcel/MKDKeychain
Jan 2017 - Oct 2020
Contributions:20 pushes, 6 branches in 3 years 9 months
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