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mhawryluk

PROFILE

Mhawryluk

Over the past six months, contributed to Expensify-App and related repositories by delivering features such as Time Tracking, SpendOverTime analytics, and workspace domain management. Focused on both front-end and back-end development using JavaScript, TypeScript, and React Native, the work included implementing robust navigation, internationalization, and performance optimizations. Enhanced user experience through UI/UX improvements, modular refactoring, and expanded localization support. Addressed reliability by fixing navigation bugs, improving test coverage, and integrating AI-assisted code reviews. The engineering approach emphasized maintainability, code quality, and business alignment, resulting in more reliable workflows, clearer analytics, and a scalable, multilingual application architecture.

Overall Statistics

Feature vs Bugs

54%Features

Repository Contributions

189Total
Bugs
49
Commits
189
Features
57
Lines of code
8,816
Activity Months6

Work History

March 2026

31 Commits • 8 Features

Mar 1, 2026

March 2026 highlights for callstack-internal/Expensify-App: Delivered SpendOverTime widget on the Home page and refactored its section for modularity and easier maintenance; hardened visibility logic to hide the widget when there are no transactions and to apply policy-based access. Implemented UI/UX improvements for SpendOverTime, including unified date presets, rendering-time getSuggestedSearches, and including a 'never' option for the posted filter. Added Last-12-months date filter preset and internationalization support. Introduced chart interactivity enhancements (cursor pointer) and added features for review suggestions and insights approvals visibility checks. Expanded test coverage for SpendOverTime features and ensured post-merge cleanup to fix type issues and isSubmittedTo. Business value: clearer spend visibility for users, more robust feature delivery, and readiness for multi-language adoption.

February 2026

31 Commits • 8 Features

Feb 1, 2026

February 2026 (2026-02) — Delivered core Time Tracking capabilities, AI-assisted reviews, and onboarding enhancements for Expensify-App, while strengthening reliability and localization. Business value was realized through faster, more accurate time-entry, AI-augmented review workflows reducing cycle times, improved expense governance with workspace-aware restrictions, and enhanced localization and charting capabilities for better decision-making.

January 2026

92 Commits • 27 Features

Jan 1, 2026

Concise monthly summary for January 2026 highlighting key features delivered, major bugs fixed, overall impact, and technologies demonstrated across two Expensify repositories. The month focused on reviving and maturing Time Tracking capabilities, improving time expenses workflow, and enhancing code quality and localization, with strong back-end and front-end alignment to business objectives.

October 2025

25 Commits • 9 Features

Oct 1, 2025

Summary for 2025-10: Delivered key UX and performance enhancements in Expensify-App with a focus on Workspaces domain visibility, domain-related UI polish, internationalization, and code quality. The month balanced feature delivery with stability work to support admins and members, improved performance, and expanded audience reach through translations. Business value was realized through clearer domain management in Workspaces, faster and more reliable UI, and a maintainable codebase.

September 2025

7 Commits • 3 Features

Sep 1, 2025

September 2025 monthly summary: Navigation robustness for verify-account flows, modal/animation consolidation, and developer tooling improvements across Expensify apps, delivering measurable UX reliability and engineering efficiency.

January 2025

3 Commits • 2 Features

Jan 1, 2025

January 2025 monthly summary for software-mansion/TypeGPU: Delivered updates to StackBlitz demo docs with the latest library release and implemented mobile-friendly UI improvements for live examples, enhancing clarity and accessibility.

Activity

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Quality Metrics

Correctness92.8%
Maintainability90.6%
Architecture89.6%
Performance90.2%
AI Usage24.6%

Skills & Technologies

Programming Languages

CSSHTMLJSONJavaScriptNoneTypeScript

Technical Skills

API developmentAPI integrationBabel configurationCSSChartingCode CleanupCode LintingCode MaintenanceCode RefactoringComponent DesignComponent RefactoringConfiguration ManagementDependency ManagementDocumentationFront End Development

Repositories Contributed To

4 repos

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

callstack-internal/Expensify-App

Sep 2025 Mar 2026
5 Months active

Languages Used

JavaScriptTypeScriptJSON

Technical Skills

Code LintingConfiguration ManagementFront-end DevelopmentFrontend DevelopmentNavigationReact Native

Expensify/App

Sep 2025 Jan 2026
2 Months active

Languages Used

TypeScriptJavaScriptNone

Technical Skills

Front-end DevelopmentNoneReactTypeScriptbackend developmentfront end development

software-mansion/TypeGPU

Jan 2025 Jan 2025
1 Month active

Languages Used

CSSHTMLJavaScriptTypeScript

Technical Skills

CSSDependency ManagementDocumentationFrontend DevelopmentHTMLJavaScript

software-mansion-labs/expensify-app-fork

Sep 2025 Sep 2025
1 Month active

Languages Used

JavaScriptTypeScript

Technical Skills

Dependency ManagementFront-end DevelopmentJavaScriptMobile DevelopmentReactReact Native