Adrian Freund
Amsterdam, North Holland, Netherlands
Summary
🤩
RockstarAdrian Freund is a software engineering student at KIT in Karlsruhe with 11 years of hands-on experience contributing to open-source projects across packaging, static typing, and Android apps. He has practical expertise as an automation/build-and-release engineer in the conda-forge ecosystem, authoring build scripts that streamline cross-platform packaging and distribution. Adrian has also contributed backend fixes to the high-profile mypy project, improving Python type checking and test reliability through careful refactors and compatibility fixes. On the mobile side he has shipped stability and UX improvements for Slide, an ad-free open-source Reddit client, addressing platform-specific crashes and media playback issues. That blend of tooling, compiler-ish backend work, and Android app maintenance shows a rare breadth for a student—comfortable both with low-level build pipelines and user-facing product quality. Based in Karlsruhe, he combines academic study with sustained, pragmatic open-source impact.
11 years of coding experience
Stackoverflow
111reputation
4kreached
5answers
2questions
Github Skills (30)
conda-forge10
cargo10
type-check10
pytest10
python10
testing10
mypy10
bash10
build-system10
java10
javas10
type-system10
automation10
android-app10
android10
Programming languages (26)
Github contributions (5)
Haptic-Apps/Slide
Aug 2016 - Sep 2017
Slide is an open-source, ad-free Reddit browser for Android.
Role in this project:
Mobile Developer (Android)
Mobile Developer (Android)Contributions:34 commits, 20 PRs, 39 comments in 1 year 1 month
Contributions summary:Adrian primarily contributed to bug fixes and feature enhancements for the Slide Android Reddit browser. Their work involved addressing crashes on specific Android versions, fixing video playback issues in shadowbox mode, and correcting notification display problems related to messages from subreddits. Additionally, they implemented experimental support for coloring the app icon, improving the sorting selector, and resolving various other issues to enhance the user experience and overall functionality of the application.
androidredditslidebrowser
python/mypy
Jan 2021 - Jan 2022
Optional static typing for Python
Role in this project:Back-end Developer
Back-end DeveloperContributions:19 reviews, 12 commits, 18 PRs in 1 year
Contributions summary:Adrian primarily contributed to bug fixes and improvements within the mypy project. Their work involved addressing issues related to type checking, including correct handling of `TypedDict.get()` method and `strconv` conversion. They also migrated the test suite to use `subprocess` and refactored code to import modules only when needed. Additionally, the user added tests for `make_simplified_union` and fixed tests broken by Python 3.10 changes.
pythonstatic-typingtypecheckerlinter
Find and Hire Top DevelopersWe’ve analyzed the programming source code of over 60 million software developers on GitHub and scored them by 50,000 skills. Sign-up on Prog,AI to search for software developers.