Mario Zimmermann
Software Engineer
Bergkamen, North Rhine-Westphalia, Germany
Summary
🤩
RockstarMario Zimmermann is a software engineer with 14 years of hands-on experience, based in Bergkamen, Germany, who blends backend and frontend development with a strong passion for photography and woodworking. He contributes to prominent open-source photography software darktable, where he has tackled platform-specific macOS packaging, EXIF/XMP rating handling, collection filtering, and UI/import refinements. Comfortable shipping cross-platform fixes and build-system improvements, he brings an engineer’s eye for detail that also shows in his photographic work. Mario’s practical experience spans resolving subtle build and runtime issues as well as improving user-facing workflows, making him adept at bridging low-level technical problems and product-quality outcomes.
14 years of coding experience
Stackoverflow
22,998reputation
2.0mreached
354answers
4questions
xcode
top-5%
localization
top-1%
ios
top-1%
cllocationmanager
top-5%
watchkit
top-5%
double
top-1%
Github Skills (24)
ios10
c-language10
exif10
localization10
double10
swift10
macos10
cprogramming-language10
exiftool10
image-processing9
objective-c9
watchkit9
front-end-development9
uitableview9
cllocationmanager9
Programming languages (8)
Github contributions (5)
darktable-org/darktable
Jan 2023 - Jan 2023
darktable is an open source photography workflow application and raw developer
Role in this project:
Back-end & Frontend Developer
Back-end & Frontend DeveloperContributions:91 reviews, 2 commits, 161 PRs in 1 day
Contributions summary:Mario primarily focused on fixing and improving the darktable application. Their contributions included resolving a build error related to imageio.h on macOS, addressing an issue with the EXIF rating import process, and handling rating display in XMP files. Furthermore, they made various improvements to the macOS package build process, including the handling of the architecture string, @loader_paths, the inclusion of a background image, and the addition of Homebrew dependencies. They also fixed a slideshow issue on macOS and refined the import dialog by suppressing hidden files. Additionally, they addressed issues in the collection module, collection filter modes, and the application menu on macOS.
imagephotographyimage-processingapplication-workflowdarktable
zisoft/pagenavigationtitles
Nov 2011 - Mar 2015
Contributions:12 commits, 1 PR, 1 push in 3 years 4 months
navigation-pagephptitlesjoomlanavigation
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