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Jan Nowakowski

PROFILE

Jan Nowakowski

Jane Nowakowski contributed to margelo/expensify-app-fork and related repositories by building features such as SAML authentication integration, workspace duplication reliability, and an end-to-end undelete workflow for transactions. She improved navigation logic and post-action user flows, enhancing both security and user experience. Jane’s technical approach emphasized robust state management, code quality, and maintainability, using TypeScript, React Native, and C++. She addressed bugs in logout reliability and Android navigation, optimized data handling, and expanded test coverage. Her work included localization, accessibility, and performance improvements, demonstrating depth in full stack development and a focus on delivering stable, enterprise-ready solutions.

Overall Statistics

Feature vs Bugs

54%Features

Repository Contributions

79Total
Bugs
22
Commits
79
Features
26
Lines of code
2,303
Activity Months5

Work History

March 2026

39 Commits • 17 Features

Mar 1, 2026

March 2026 monthly recap: Across Expensify-App and Bedrock, delivered end-to-end undelete workflow, UX enhancements, and performance improvements that drive user productivity and data integrity. Key UX: navigation UI, new RHP page, and enhanced search. Undelete features include utility hook, transaction thread reporting, and optimistic state handling. Localization and accessibility improvements completed (translations and accessibility enhancements). Quality and maintainability gains from Prettier/lint fixes, memo/callback cleanups, and test stability. Bedrock optimizations reduced per-row work and cleaned up SQuery formatting, improving runtime efficiency and readability.

February 2026

9 Commits • 3 Features

Feb 1, 2026

February 2026 monthly summary for margelo/expensify-app-fork focusing on security, reliability, and developer experience improvements. Key features delivered include SAML Authentication Integration with login flow and session handling, and Post-Action Navigation to Home to provide a consistent landing experience. Major bugs fixed include Logout Flow Reliability improvements to ensure sign-out only completes after dependent apps succeed and enhanced error handling for SAML sign-out. Also completed Code Quality and Maintenance work: lint fixes, dependency pinning, and test stability improvements. These efforts reduce security risk, improve reliability across integrations, and deliver a smoother, enterprise-ready user experience.

January 2026

3 Commits • 2 Features

Jan 1, 2026

January 2026: Delivered targeted features and stability fixes across two repositories to improve release readiness, user flow, and mobile navigation reliability. Major work includes a cross-repo version update to 10.0.1, a SAML sign-out redirect enhancement, and an Android Not Found navigation fix that routes users to the home screen. These changes reduce release risk, improve post-logout UX, and enhance Android navigation reliability, contributing to higher user satisfaction and smoother deployment cycles.

October 2025

19 Commits • 3 Features

Oct 1, 2025

Concise monthly summary for 2025-10 focusing on feature delivery, quality improvements, and business impact across two repositories.

September 2025

9 Commits • 1 Features

Sep 1, 2025

September 2025 monthly summary for margelo/expensify-app-fork: Delivered reliability and performance enhancements focused on avatar handling during workspace duplication and policy distance rate calculations. Implemented avatar cache read and URI-based refactor to prevent data loss, plus user guidance to restart the workflow when needed. Improved data handling for policy distance rate by scoping transactions to relevant policies, enabling missing data, and optimizing data selectors and type imports/formatting. These changes reduce failure modes, improve user experience during workspace duplication, and enhance overall performance and maintainability.

Activity

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Quality Metrics

Correctness94.2%
Maintainability91.8%
Architecture90.6%
Performance91.2%
AI Usage22.2%

Skills & Technologies

Programming Languages

C++JSONJavaJavaScriptTypeScript

Technical Skills

API integrationAndroid developmentC++ developmentCode FormattingCode LintingCode QualityCryptographyFront End DevelopmentFront-end DevelopmentFrontend DevelopmentHashing AlgorithmsHooksJavaScriptJavaScript DevelopmentJest

Repositories Contributed To

4 repos

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

callstack-internal/Expensify-App

Jan 2026 Mar 2026
2 Months active

Languages Used

JavaJavaScriptTypeScript

Technical Skills

Android developmentReact Nativemobile developmentHooksReactReact Navigation

margelo/expensify-app-fork

Sep 2025 Feb 2026
4 Months active

Languages Used

JavaScriptTypeScriptJSON

Technical Skills

Front End DevelopmentFront-end DevelopmentFrontend DevelopmentOnyxReactReact Native

Expensify/expensify-common

Oct 2025 Oct 2025
1 Month active

Languages Used

JavaScriptTypeScript

Technical Skills

Code FormattingCode LintingCryptographyHashing AlgorithmsJavaScript DevelopmentTypeScript

Expensify/Bedrock

Mar 2026 Mar 2026
1 Month active

Languages Used

C++

Technical Skills

C++ developmentcode formattingdatabase managementsoftware maintenance