Karl Stenerud
Schwielowsee, Brandenburg, Germany
Summary
🤩
Rockstar🎓
Top SchoolKarl Stenerud is a versatile software architect and developer with 15+ years of professional experience and a 25+ year coding background, fluent across low-level embedded systems and high-level web and mobile platforms. He has led and shipped products from startups (founding Elevate and Trickshot Games) to scale-focused roles at companies like Sentry, Canonical, Blackfire, and SmartBear, often owning crash handling, profiling, and backend architecture. Deeply passionate about data communications and protocol design, he’s the author of the Concise Encoding project and has contributed to notable open-source efforts such as cocos2d-objc and Bugsnag integrations. Comfortable across most operating systems and languages, he pairs pragmatic engineering with a strong sense for code U/X—writing code people enjoy reading as much as using. Based in Germany, he brings a rare mix of low-level systems craftsmanship and product-minded engineering that speeds time-to-value in complex, performance-sensitive domains.
15 years of coding experience
25 years of employment as a software developer
British Columbia Institute of Technology (BCIT)
Stackoverflow
14,654reputation
875kreached
57answers
48questions
xcode
top-5%
iphone
top-5%
audio
top-5%
Github Skills (45)
objective-c10
ios10
react-native10
ios-framework10
api-design10
scripting10
react-native-component10
java10
scheduler10
cocoa10
javas10
jna10
script10
bugsnag10
error-log10
Programming languages (26)
Github contributions (5)
kstenerud/iOS-Universal-Framework
Mar 2011 - Jun 2016
An XCode project template to build universal frameworks (arm7, arm7s, and simulator) for iOS / iPhone.
Role in this project:
Automation Engineer / Build & Release Engineer
Automation Engineer / Build & Release EngineerContributions:72 commits, 4 PRs, 1 push in 5 years 4 months
Contributions summary:Karl primarily focused on automating the build process for iOS universal frameworks. They added command-line switches and updated the build script, making it callable directly from the shell. The user also implemented the production of true static frameworks, as well as the creation of "fake" static frameworks, and fixed issues with the install and uninstall scripts, including making them functional when dragged into the terminal.
arm7iphoneapp-storesimulatorios
bugsnag/bugsnag-android
Oct 2020 - Oct 2022
BugSnag crash monitoring and reporting tool for Android apps
Role in this project:Mobile Developer (Android)
Mobile Developer (Android)Contributions:307 reviews, 222 commits, 175 PRs in 1 year 11 months
Contributions summary:Karl's commits primarily focused on enhancing the Android-specific functionality of the Bugsnag SDK, particularly in crash reporting and ANR (Application Not Responding) detection. They introduced improvements to capture native stack traces for ANRs, incorporating JNI (Java Native Interface) for interacting with native code. The contributions also included refactoring the stacktrace handling and adding support for internal configuration usage metrics within the SDK.
ndkerror-monitoringexceptionsmonitoringerror-stack-trace
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