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Gregory Moskaliuk

PROFILE

Gregory Moskaliuk

Over six months, contributed to expo/expo and facebook/react-native-website by building native UI components, enhancing privacy features, and improving documentation. Developed features such as a React hook for screenshot notifications, a native iOS Chart component using SwiftUI, and Material 3 Chip for Android, focusing on type safety and cross-platform consistency. Addressed data serialization and error handling in contact management, and delivered privacy enhancements for screen capture across iOS and Android. Improved developer onboarding with clear documentation and robust TypeScript typings. Work demonstrated expertise in JavaScript, Kotlin, and Swift, emphasizing maintainability, reliability, and a seamless developer experience across platforms.

Overall Statistics

Feature vs Bugs

73%Features

Repository Contributions

26Total
Bugs
4
Commits
26
Features
11
Lines of code
3,352
Activity Months6

Work History

May 2026

1 Commits • 1 Features

May 1, 2026

Monthly summary for 2026-05 focusing on deliverables in the facebook/react-native-website repository. Key feature delivered: documentation for the ScrollView scrollsChildToFocus prop on Android, enabling automatic scrolling to focused child elements and clarifying behavior for Android users. This work is aligned with the 0.85 release cycle. Commit reference: e0c52c6b426f8f3e172f5f30684fccdaf4e99aa5 with message "[docs] Add scrollsChildToFocus prop to ScrollView (Android, 0.85) (#5077)".

October 2025

4 Commits • 3 Features

Oct 1, 2025

October 2025 performance highlights for expo/expo: Delivered critical enhancements in the iOS native components, documentation, and error handling. Key outcomes include: addition of SwiftUI Stepper, iOS Chart RectangleMark/RuleMark support, screen capture documentation clarification, and improved contact serialization error handling. These changes expand Expo's native component toolkit, enable richer data visualization, improve developer experience via clearer docs, and reduce runtime errors through explicit error types.

September 2025

10 Commits • 2 Features

Sep 1, 2025

September 2025 (2025-09) focused on strengthening data integrity for contacts, enriching the UI component set, and improving cross‑platform stability. Delivered safer contacts data modeling with automatic synchronization, introduced modern UI elements (Material 3 Chip for Android and SwiftUI disabled modifier with TS API support), and implemented reliability fixes across Android and iOS to reduce crashes and improve store-review reliability. The work delivers measurable business value through improved data accuracy, richer user interfaces, and a more resilient cross‑platform foundation.

August 2025

5 Commits • 1 Features

Aug 1, 2025

Monthly summary for 2025-08 focused on expo/expo: Delivered key iOS-platform enhancements and data reliability improvements, driving smoother user experience and richer data visualization capabilities in the Expo ecosystem.

July 2025

4 Commits • 2 Features

Jul 1, 2025

July 2025 monthly summary for expo/expo: Delivery focused on privacy and security enhancements for screen capture across platforms and robust iOS app switcher protection. Key features delivered include Cross-platform Screen Capture Privacy and Testing Enhancements (docs updates, iOS screenshot prevention, and iOS integration modernization) and iOS App Switcher Blur and Content Protection (background blur via lifecycle notifications with configurable blur). Major fixes include replacing deprecated iOS keyWindow usage and implementing screenshot prevention for iOS. Overall impact: strengthened privacy, improved platform consistency, and reduced risk of screen capture leaks while improving developer experience. Technologies demonstrated: iOS lifecycle, screen-capture APIs, cross-platform integration, code modernization, and comprehensive documentation updates.

June 2025

2 Commits • 2 Features

Jun 1, 2025

June 2025 — Key outcomes include a new React hook for screenshot notifications and typing-focused improvements for native module tutorials, strengthening developer ergonomics and safer module integration. Delivered features with clear commits and groundwork for scalable maintainability.

Activity

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Quality Metrics

Correctness95.4%
Maintainability93.0%
Architecture92.0%
Performance90.4%
AI Usage20.8%

Skills & Technologies

Programming Languages

JavaJavaScriptKotlinMarkdownObjective-CSwiftTypeScript

Technical Skills

API RefactoringAndroid DevelopmentAndroid developmentBug FixingComponent DevelopmentContact ManagementData SerializationData VisualizationDocumentationError HandlingEvent HandlingExpoJavaScriptJavaScript DevelopmentJetpack Compose

Repositories Contributed To

3 repos

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

expo/expo

Jul 2025 Oct 2025
4 Months active

Languages Used

MarkdownObjective-CSwiftTypeScriptJavaJavaScriptKotlin

Technical Skills

DocumentationExpoMobile DevelopmentNative ModulesPrivacyReact Native

mrousavy/expo

Jun 2025 Jun 2025
1 Month active

Languages Used

JavaScriptMarkdownTypeScript

Technical Skills

DocumentationJavaScript DevelopmentMobile DevelopmentNative Module DevelopmentReact HooksTypeScript

facebook/react-native-website

May 2026 May 2026
1 Month active

Languages Used

Markdown

Technical Skills

Android developmentReact Nativedocumentation