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amarrero7

PROFILE

Amarrero7

Alejandro Marrero developed core features for two student-led repositories, uprm-pet-adoption and uprm-hand_me_down_clothing, focusing on authentication, onboarding, and marketplace filtering. He implemented responsive authentication flows and standardized password validation using Dart and Flutter, streamlining user onboarding and improving UI consistency. For the clothing marketplace, Alejandro built a unified filtering system across listings and map views in Next.js and React, integrating geolocation and Supabase for real-time data. He enhanced testability through dependency injection and comprehensive unit tests, and improved project maintainability with configuration and documentation updates. His work demonstrated depth in frontend engineering, test coverage, and user experience optimization.

Overall Statistics

Feature vs Bugs

100%Features

Repository Contributions

14Total
Bugs
0
Commits
14
Features
6
Lines of code
8,568
Activity Months4

Work History

October 2025

4 Commits • 1 Features

Oct 1, 2025

Monthly summary for 2025-10: This month focused on unifying and accelerating the filtering experience for the clothing marketplace across listings and map views, alongside data integration and reliability improvements. Key features delivered include a unified filtering system with Open Now and Near Me filters, expanded item categories (including an All category for featured items), and a clear 'no items found' message when filters return zero results. Performance improvements were achieved by caching user location to speed Near Me queries and map filtering, reducing latency for frequently used searches. Major bugs addressed include stable handling of empty results and reduced filtering latency due to location caching. Impact: faster, more relevant searches lead to improved user experience, higher engagement, and better conversion potential in the marketplace. Technologies and skills demonstrated include frontend filtering logic, map integration, client-side caching strategies, and backend data integration with Supabase, demonstrated with disciplined commits across the feature set.

September 2025

3 Commits • 1 Features

Sep 1, 2025

September 2025 monthly summary for uprm-inso4116-2025-2026-s1/semester-project-uprm-hand_me_down_clothing. Delivered a production-ready frontend foundation by implementing a Next.js scaffold with React integration, global styles, fonts, and foundational layout/page components. Established a consistent development environment with ESLint, Next.js, and PostCSS configurations, preparing the codebase for rapid feature delivery. Also completed onboarding enhancements and codebase cleanup to reduce setup friction and maintenance overhead. No major defects were reported this month; cleanup focused on removing unused configurations to reduce technical debt.

April 2025

2 Commits • 2 Features

Apr 1, 2025

April 2025 monthly summary for uprm-inso4101-2024-2025-s2/semester-project--uprm-pet-adoption. Focused on increasing reliability and maintainability through expanded unit testing for messaging and UI flows, with a targeted refactor to improve testability.

February 2025

5 Commits • 2 Features

Feb 1, 2025

February 2025 monthly summary for uprm-inso4101-2024-2025-s2/semester-project--uprm-pet-adoption. Focused on elevating the authentication experience and tightening the password policy to improve onboarding and usability for the pet adoption platform. Key features delivered: - User Authentication System – UI/UX and Interaction: Implemented background color, app logo, responsive layout, a new login form, and an interactive login button to improve aesthetics and usability across devices. - Password Policy Update Across Authentication: Standardized password validation rules across sign-up and login, lowering minimum length and reducing digits requirements to streamline user onboarding. Major bugs fixed: - No critical defects reported this period. Performed UI refinements to ensure responsive authentication screens across device sizes; minor polish addressed to improve consistency. Overall impact and accomplishments: - Accelerated user onboarding and reduce friction during sign-in, contributing to higher completion rates for account creation and adoption workflows. - Established a cohesive authentication experience, aligning UI/UX with security-friendly practices while maintaining usability. Technologies/skills demonstrated: - Front-end UI/UX design, responsive web design, and interactive components for authentication. - Password policy standardization and validation flows across sign-up and login. - Versioned incremental delivery with clear commit messages, supporting traceability and collaboration.

Activity

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Quality Metrics

Correctness86.4%
Maintainability87.2%
Architecture80.0%
Performance87.2%
AI Usage20.0%

Skills & Technologies

Programming Languages

BashCSSDartHTMLJavaScriptMarkdownTypeScript

Technical Skills

Backend DevelopmentConfigurationDependency InjectionDocumentationFirebaseFirebase Cloud MessagingFlutterFlutter DevelopmentFront End DevelopmentFront-end DevelopmentFrontend DevelopmentGeolocation APILeafletLeaflet.jsMobile Development

Repositories Contributed To

2 repos

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

uprm-inso4101-2024-2025-s2/semester-project--uprm-pet-adoption

Feb 2025 Apr 2025
2 Months active

Languages Used

Dart

Technical Skills

Backend DevelopmentFlutterFlutter DevelopmentFront-end DevelopmentMobile DevelopmentUI Development

uprm-inso4116-2025-2026-s1/semester-project-uprm-hand_me_down_clothing

Sep 2025 Oct 2025
2 Months active

Languages Used

BashCSSHTMLJavaScriptMarkdownTypeScript

Technical Skills

ConfigurationDocumentationFrontend DevelopmentNext.jsProject StructureReact

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