Expensify/App
Jan 2026 – Jan 2026
1 Month active
Languages Used
JavaScriptTypeScript
Technical Skills
API DevelopmentData SecurityFrontend DevelopmentJavaScriptReactTypeScript
Fedi Rajhi
PROFILE
Fedi Rajhi
Fedir worked on Expensify/App and callstack-internal/Expensify-App, focusing on secure and reliable card assignment and company card management features. Over two months, he delivered encryption-enabled card number handling, advanced error management, and substantial refactoring to improve data models and UI reliability. Using JavaScript, TypeScript, and React, he enhanced API integration and data security, introduced flexible assignment logic, and optimized loading states for better user experience. His work included expanding test coverage, aligning naming conventions, and simplifying API surfaces, resulting in robust, maintainable workflows for policy card data and personalized communications. The depth of refactoring strengthened code quality and reliability.
Overall Statistics
Feature vs Bugs
73%Features
Repository Contributions
53Total
Bugs
4
Commits
53
Features
11
Lines of code
3,603
Activity Months2
Your Network
169 people
Work History
February 2026
10 Commits • 2 Features
Feb 1, 2026February 2026 monthly summary for callstack-internal/Expensify-App focused on delivering business-value improvements through enhanced policy card data workflows and robust card data modeling, while simplifying the API surface.
10 Commits • 2 Features
Feb 1, 2026February 2026 monthly summary for callstack-internal/Expensify-App focused on delivering business-value improvements through enhanced policy card data workflows and robust card data modeling, while simplifying the API surface.
February 2026
January 2026
43 Commits • 9 Features
Jan 1, 2026January 2026 focused on security, reliability, and maintainability for the card assignment and company cards experiences across Expensify/App and callstack-internal/Expensify-App. Delivered encryption-enabled card number handling in the card assignment flow, strengthened failure handling, and undertook substantial refactors to improve data models, tests, and UI reliability. Implemented loading optimizations for the company cards UI and aligned naming conventions, while enabling additional flexibility with optional domainAccountID in assignment logic.
January 2026
43 Commits • 9 Features
Jan 1, 2026January 2026 focused on security, reliability, and maintainability for the card assignment and company cards experiences across Expensify/App and callstack-internal/Expensify-App. Delivered encryption-enabled card number handling in the card assignment flow, strengthened failure handling, and undertook substantial refactors to improve data models, tests, and UI reliability. Implemented loading optimizations for the company cards UI and aligned naming conventions, while enabling additional flexibility with optional domainAccountID in assignment logic.
Activity
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Quality Metrics
Correctness91.0%
Maintainability88.4%
Architecture87.2%
Performance86.0%
AI Usage21.8%
Skills & Technologies
Programming Languages
JavaScriptTypeScript
Technical Skills
API DevelopmentAPI integrationData SecurityESLintFrontend DevelopmentJavaScriptReactTypeScriptcode qualityfront end developmentfull stack developmentrefactoringsoftware developmenttest-driven developmenttesting
Repositories Contributed To
Overview of all repositories you've contributed to across your timeline
callstack-internal/Expensify-App
Jan 2026 – Feb 2026
2 Months active
Languages Used
JavaScriptTypeScript
Technical Skills
ESLintReactTypeScriptcode qualityfront end developmenttesting