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Janiel777

PROFILE

Janiel777

Jan Jan Nuñez contributed to the uprm-inso4117-2024-2025-s2/semester-project-thriftuni repository by building cross-platform authentication and robust testing infrastructure over three months. He integrated Firebase and Google Sign-In for both web and mobile, handling environment configuration and secure authentication flows using JavaScript and TypeScript. Jan Jan established Firestore security rules with unit tests, set up CI/CD pipelines via GitHub Actions, and expanded automated test coverage for authentication and UI routing. He introduced mutation testing with Stryker, improved test reliability, and resolved UI crashes by refactoring React Native components, demonstrating depth in backend security, testing frameworks, and mobile development practices.

Overall Statistics

Feature vs Bugs

83%Features

Repository Contributions

43Total
Bugs
2
Commits
43
Features
10
Lines of code
26,345
Activity Months3

Work History

April 2025

4 Commits • 1 Features

Apr 1, 2025

April 2025 focused on strengthening test quality and UI reliability in uprm-inso4117-2024-2025-s2/semester-project-thriftuni. Key initiatives included enabling mutation testing with Stryker, expanding login coverage to drive higher code robustness, and stabilizing Profile/Privacy tabs to reduce crashes. Delivered actionable test visibility and improved maintainability for the project.

March 2025

31 Commits • 7 Features

Mar 1, 2025

March 2025 performance highlights: Implemented Firestore security rules with unit tests to enforce data access controls and strengthen security posture. Set up and refined CI/CD workflows for Firestore rules and Jest tests via GitHub Actions, including test-mode adjustments and Firebase config inclusion to ensure reliable, fast feedback. Expanded automated testing coverage for authentication flow and UI routing, with stabilized login tests and authentication guards to validate correct access control. Introduced testing stability measures and failure simulations to validate CI reactions and ensure that failures are surfaced and traced in PRs. Performed repository housekeeping for tests and targeted code quality improvements, including .gitkeep placeholders and login screen reliability fixes to improve maintainability and collaboration.

February 2025

8 Commits • 2 Features

Feb 1, 2025

Concise monthly summary for February 2025 highlighting key business and technical outcomes for the semester-project thriftuni repository.

Activity

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Quality Metrics

Correctness85.4%
Maintainability89.2%
Architecture83.0%
Performance76.4%
AI Usage22.4%

Skills & Technologies

Programming Languages

BashGitHTMLJSONJavaJavaScriptShellTSXTypeScriptYAML

Technical Skills

Asset ManagementBackend DevelopmentBackend SecurityBuild ToolsCI/CDComponent DesignConfigurationConfiguration ManagementDatabase SecurityDependency ManagementEnvironment ConfigurationEnvironment VariablesExpoExpo RouterFirebase

Repositories Contributed To

1 repo

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

uprm-inso4117-2024-2025-s2/semester-project-thriftuni

Feb 2025 Apr 2025
3 Months active

Languages Used

BashJavaScriptTypeScriptenvGitJSONJavaShell

Technical Skills

Asset ManagementComponent DesignConfigurationConfiguration ManagementEnvironment ConfigurationEnvironment Variables

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