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Wildan Muhlis

PROFILE

Wildan Muhlis

Worked on Expensify/react-native-onyx and callstack-internal/Expensify-App, delivering features that enhanced both frontend and backend functionality. Introduced dynamic key support and improved type safety in the useOnyx React hook, streamlining the API surface and enabling more flexible integration for downstream applications. On the backend, implemented partial text search and normalized query operators to ensure consistent search behavior across the stack, addressing a regression to restore intended functionality. Emphasized robust unit testing and code refactoring throughout, using TypeScript and React Hooks to maintain high code quality, improve maintainability, and support reliable, flexible search and data management workflows.

Overall Statistics

Feature vs Bugs

75%Features

Repository Contributions

13Total
Bugs
1
Commits
13
Features
3
Lines of code
561
Activity Months2

Work History

March 2026

9 Commits • 1 Features

Mar 1, 2026

March 2026 monthly summary for callstack-internal/Expensify-App focused on backend search enhancements and regression recovery. Delivered flexible text search (partial matching) via contains operator, normalized text field operators across the stack, expanded test coverage (type-safety and unit tests), and reinstated a backend search capability regression fix to restore intended behavior.

January 2025

4 Commits • 2 Features

Jan 1, 2025

January 2025 performance summary for Expensify/react-native-onyx. Focused on API surface improvements, type safety enhancements, and introducing dynamic key support to improve runtime flexibility and testability. Delivered features with strong unit test coverage, enabling easier maintenance and wrapper-based snapshot testing. Resulted in a cleaner, more robust API surface and better developer experience for downstream apps integrating Onyx keys.

Activity

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Quality Metrics

Correctness98.4%
Maintainability94.0%
Architecture93.8%
Performance94.0%
AI Usage20.0%

Skills & Technologies

Programming Languages

TypeScript

Technical Skills

Code RefactoringLibrary DevelopmentLintingReact HooksTestingTypeScriptUnit Testingbackend developmentcode formattingfront end developmentfull stack developmentsearch algorithmssearch query parsingtestingunit testing

Repositories Contributed To

2 repos

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

callstack-internal/Expensify-App

Mar 2026 Mar 2026
1 Month active

Languages Used

TypeScript

Technical Skills

Code RefactoringLintingTypeScriptbackend developmentcode formattingfront end development

Expensify/react-native-onyx

Jan 2025 Jan 2025
1 Month active

Languages Used

TypeScript

Technical Skills

Code RefactoringLibrary DevelopmentReact HooksTestingTypeScriptUnit Testing