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kristof.deak

PROFILE

Kristof.deak

Worked on the instructure/canvas-android repository, focusing on enhancing reliability and user experience across Android applications. Over two months, addressed 34 bugs by stabilizing end-to-end and unit tests, refining UI layouts, and resolving device-specific issues such as camera cutouts and status bar overlaps. Leveraged Kotlin, Jetpack Compose, and Espresso to implement dynamic waits, retry mechanisms, and layout optimizations, ensuring consistent rendering and reducing test flakiness. Improvements included edge-to-edge rendering, UI/UX polish for multi-app environments, and infrastructure guardrails for test robustness. These efforts improved release confidence, accelerated feedback cycles, and delivered a more cohesive and accessible mobile experience for users.

Overall Statistics

Feature vs Bugs

0%Features

Repository Contributions

89Total
Bugs
34
Commits
89
Features
0
Lines of code
1,411
Activity Months2

Work History

February 2026

86 Commits

Feb 1, 2026

February 2026 monthly summary for instructure/canvas-android focusing on business value, key features delivered, major bug fixes, and technical accomplishments. Highlights include multi-app UI/UX polish (QA V5 and QA V6), layout optimizations enabling edge-to-edge rendering, cross-app camera cutout and status bar fixes, and test stability improvements that reduce CI flakiness and improve release confidence.

August 2025

3 Commits

Aug 1, 2025

In August 2025, delivered reliability improvements for end-to-end tests in instructure/canvas-android, surfacing backend issues earlier, stabilizing UI timing, and addressing null-reference flakiness. Key implementations include unstubbing tests to reveal backend issues, adding a dynamic wait after opening assignments to ensure correct UI state, and implementing a retry mechanism for SwipeRefreshLayout. Also fixed a NullPointerException in the refresh method to stabilize test runs. These changes reduce flaky tests, accelerate feedback, and increase confidence in Android releases.

Activity

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Quality Metrics

Correctness96.4%
Maintainability86.6%
Architecture86.0%
Performance86.2%
AI Usage20.0%

Skills & Technologies

Programming Languages

Kotlin

Technical Skills

AndroidAndroid DevelopmentAndroid TestingAndroid developmentE2E TestingEnd-to-End TestingEspressoJetpack ComposeKotlinUI DesignUI TestingUI designUI testingUI/UX DesignUI/UX design

Repositories Contributed To

1 repo

Overview of all repositories you've contributed to across your timeline

instructure/canvas-android

Aug 2025 Feb 2026
2 Months active

Languages Used

Kotlin

Technical Skills

Android DevelopmentAndroid TestingE2E TestingEnd-to-End TestingEspressoAndroid