LleidaHack/lleidahack-frontend
Oct 2024 – Sep 2025
5 Months active
Languages Used
JavaScriptReactHTMLDockerfileShell
Technical Skills
AuthenticationFrontend DevelopmentReactRoutingAPI IntegrationFront End Development
Joel Ros
PROFILE
Joel Ros
Joel Ros worked on the LleidaHack/lleidahack-frontend repository, delivering features that enhanced authentication, event participation, and sponsor management. He strengthened authentication by implementing robust Unicode Base64 encoding and streamlined event confirmation flows using React and JavaScript, improving both security and user experience. Joel optimized dashboard data flow, reduced redundant fetching, and eliminated hard reloads, resulting in a more responsive interface. He also refactored sponsor data retrieval to align with backend models and removed unused dependencies to simplify maintenance. His work included Dockerfile optimizations for faster builds, demonstrating depth in API integration, dependency management, and frontend development across multiple release cycles.
Overall Statistics
Feature vs Bugs
88%Features
Repository Contributions
17Total
Bugs
1
Commits
17
Features
7
Lines of code
267
Activity Months5
Your Network
10 people
Work History
September 2025
1 Commits • 1 Features
Sep 1, 2025September 2025 frontend work at LleidaHack focused on sponsor section improvements and data-flow stabilization. Refactored sponsor data retrieval on the home page to use the getCompanyByTier service and updated mapping/rendering to align with the new data structure. Delivered a cleaner, more maintainable sponsor UI with accurate tier-based display.
1 Commits • 1 Features
Sep 1, 2025September 2025 frontend work at LleidaHack focused on sponsor section improvements and data-flow stabilization. Refactored sponsor data retrieval on the home page to use the getCompanyByTier service and updated mapping/rendering to align with the new data structure. Delivered a cleaner, more maintainable sponsor UI with accurate tier-based display.
September 2025
June 2025
1 Commits • 1 Features
Jun 1, 2025June 2025 frontend work focused on code health and performance readiness. Key action: removal of the Yup validation library from LleidaHack/lleidahack-frontend, eliminating unused dependencies and reducing maintenance burden. This was implemented via commit 14f9ea3e3b0d60bd2a93ad5f04dfe53d3afac92d. While there were no major bug fixes for this period, the change improves load performance, simplifies validation pathways, and positions the project for a streamlined validation approach in future releases.
June 2025
1 Commits • 1 Features
Jun 1, 2025June 2025 frontend work focused on code health and performance readiness. Key action: removal of the Yup validation library from LleidaHack/lleidahack-frontend, eliminating unused dependencies and reducing maintenance burden. This was implemented via commit 14f9ea3e3b0d60bd2a93ad5f04dfe53d3afac92d. While there were no major bug fixes for this period, the change improves load performance, simplifies validation pathways, and positions the project for a streamlined validation approach in future releases.
May 2025
1 Commits • 1 Features
May 1, 2025Concise monthly summary for May 2025 focusing on business value and technical achievements across the LleidaHack frontend workstream.
1 Commits • 1 Features
May 1, 2025Concise monthly summary for May 2025 focusing on business value and technical achievements across the LleidaHack frontend workstream.
May 2025
November 2024
12 Commits • 3 Features
Nov 1, 2024For 2024-11, the LleidaHack frontend work focused on delivering high-impact features, stabilizing critical flows, and polishing the user experience for hackathon management. Key features delivered include dashboard enhancements to streamline hackathon management, a robust event assistance confirmation and registration flow, and UI polish across the dashboard. Major bugs fixed encompassed state management and data flow issues that caused stale data and hard page reloads, as well as UI messaging and authentication flow tweaks to improve reliability. The work resulted in faster, more accurate dashboards, more reliable event registrations, and a more consistent, user-friendly interface for admins and hackers. Technologies and skills demonstrated include React-based frontend architecture, optimized data flow and state management, token-based authentication handling, API integration with standardized headers, and focused UI/UX polish with QA-driven fixes.
November 2024
12 Commits • 3 Features
Nov 1, 2024For 2024-11, the LleidaHack frontend work focused on delivering high-impact features, stabilizing critical flows, and polishing the user experience for hackathon management. Key features delivered include dashboard enhancements to streamline hackathon management, a robust event assistance confirmation and registration flow, and UI polish across the dashboard. Major bugs fixed encompassed state management and data flow issues that caused stale data and hard page reloads, as well as UI messaging and authentication flow tweaks to improve reliability. The work resulted in faster, more accurate dashboards, more reliable event registrations, and a more consistent, user-friendly interface for admins and hackers. Technologies and skills demonstrated include React-based frontend architecture, optimized data flow and state management, token-based authentication handling, API integration with standardized headers, and focused UI/UX polish with QA-driven fixes.
October 2024
2 Commits • 1 Features
Oct 1, 2024October 2024 — LleidaHack/frontend delivered two high-impact improvements focused on security, reliability, and user experience. The work reinforced authentication integrity and streamlined user workflows for event participation, with clear traceability to code changes.
2 Commits • 1 Features
Oct 1, 2024October 2024 — LleidaHack/frontend delivered two high-impact improvements focused on security, reliability, and user experience. The work reinforced authentication integrity and streamlined user workflows for event participation, with clear traceability to code changes.
October 2024
Activity
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Quality Metrics
Correctness82.2%
Maintainability82.2%
Architecture71.8%
Performance88.2%
AI Usage20.0%
Skills & Technologies
Programming Languages
DockerfileHTMLJavaScriptReactShell
Technical Skills
API IntegrationAuthenticationDependency ManagementDockerFront End DevelopmentFrontend DevelopmentReactRouting
Repositories Contributed To
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