Markus Hintersteiner is a Senior Software Engineer with 12 years of experience, currently contributing to Sentry from Austria where he focuses on Android and full‑stack mobile insights. He combines deep Android expertise—having fixed platform-specific bugs, mitigated memory leaks, and enhanced frame tracking in the widely used getsentry/sentry-java SDK—with front-end work on Sentry’s mobile metrics and UI. His background includes leadership and architecture roles at Runtastic and Fretello, blending product-minded engineering with hands-on implementation. Markus is comfortable across the stack, shipping production-grade telemetry and UX improvements while navigating feature flags and performance metrics. Notably, he contributes to an open-source error-monitoring ecosystem relied on by many teams, showing a bias for reliability and observability in mobile systems.
A Sentry SDK for Java, Android and other JVM languages.
Role in this project:
Mobile Developer (Android)
Contributions:597 reviews, 14 commits, 286 PRs in 3 months
Contributions summary:Markus primarily contributed to the Android-specific aspects of the Sentry Java SDK. Their work involved fixing bugs related to Android features, such as frame tracking and callback exceptions, and adding options to enable or disable activity frame tracking. They also modified the Android core to address memory leaks and ensure proper capturing of events and exceptions.
Developer-first error tracking and performance monitoring
Role in this project:
Full-stack Developer
Contributions:20 reviews, 1 commit, 39 PRs in 1 day
Contributions summary:Markus primarily contributes to the frontend of the Sentry platform, focusing on the mobile insights modules. They've implemented and refined UI components for mobile screen rendering, including tables and detail panels. Their work includes refactoring UI elements, fixing text overflows, and integrating new features like slow/frozen frame ratios and mobile vitals metrics. The user also demonstrates knowledge of setting up and managing the mobile screens feature with feature flags.
monitorpythonsentrydjangoerror-monitoring
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Markus Hintersteiner - Senior Software Engineer at Sentry (sentry.io)