EXCEEDS logo
Exceeds
Eric Xu

PROFILE

Eric Xu

Worked extensively on ScottyLabs/cmueats and cmucourses, delivering 17 features and multiple UI, data model, and deployment improvements over 10 months. Focused on frontend and backend enhancements, including theming systems, time-slot rendering logic, and robust error handling using React, TypeScript, and Node.js. Migrated package management to pnpm, refactored CSS for maintainability, and introduced CI/CD workflows with Docker for streamlined deployment. Enhanced onboarding and documentation with Markdown and visual assets, while improving SEO through robots.txt integration. Addressed data integrity and user experience by refining validation, UI layouts, and error reporting, ensuring maintainable, scalable, and user-friendly applications across both repositories.

Overall Statistics

Feature vs Bugs

89%Features

Repository Contributions

20Total
Bugs
2
Commits
20
Features
17
Lines of code
252,529
Activity Months10

Work History

May 2026

3 Commits • 3 Features

May 1, 2026

May 2026 monthly summary focusing on key accomplishments and business impact across ScottyLabs/cmueats and phoenixframework/phoenix. Delivered staging alignment with the main branch, migrated deployment to Railway with Docker and CI/CD, and improved developer-doc clarity. These efforts reduced release risk, accelerated validation, and improved on-boarding for new contributors.

March 2026

2 Commits • 2 Features

Mar 1, 2026

Month: 2026-03 — Monthly summary for ScottyLabs/cmueats highlighting key features delivered, major fixes (none reported), impact, and skills demonstrated. The team delivered user-facing rating visualization enhancements and established project scaffolding plus API specification, enabling consistent development, faster feature delivery, and better documentation for dining locations at Carnegie Mellon University. Highlights include dynamic rating font color by rating range on eatery cards; phased project setup including environment config, linting, and testing workflows; and a defined deployment path from staging to main. These efforts improve UX clarity, onboard new contributors faster, and lay a solid foundation for future features while maintaining traceability through explicit commits.

February 2026

2 Commits • 2 Features

Feb 1, 2026

February 2026 (2026-02) - ScottyLabs/cmueats delivered two core features with direct business value and ensured production readiness via staging-to-main deployment. Key outcomes: (1) Mobile Review System Drawer UX Enhancements — mobile banner now works reliably and the drawer can be closed by clicking outside, improving mobile engagement and usability. Commit: 2340a2d8610bd0ca6d7d1a2e1b5e9d6910744895 (Staging -> Main #777). (2) Robots.txt for SEO and Crawler Control — added robots.txt to guide search engine indexing and crawler behavior, aligning with cmucourses.com and scottylabs.org and improving visibility while excluding irrelevant pages. Commit: f02e6da3cab4bc6f668706f52ec1a14ec2786cad. No critical bugs reported; changes reflect UX and SEO improvements. Overall impact: better mobile UX, improved search visibility, and consistency with other ScottyLabs sites. Technologies/skills demonstrated: responsive UI patterns, deployment through PR workflow, SEO best practices, cross-site parity.

November 2025

1 Commits • 1 Features

Nov 1, 2025

November 2025: Focused UI cleanup and maintainability improvements in ScottyLabs/cmucourses. Cleaned up event handling by removing an unnecessary onchange handler and standardized label/component formatting for readability and consistency. Reduced potential UI bugs and simplified future refactors.

August 2025

3 Commits • 2 Features

Aug 1, 2025

August 2025, ScottyLabs/cmueats delivered two high-impact frontend enhancements with observable business value. Key features delivered: (1) Eatery Operating Hours Time Slot Display Enhancements: refactor to correctly display time slots spanning multiple days, split intervals longer than 24 hours, improve 'Open 24/7' display, and ensure current day appears first in weekly view. Commits: 4ce4b393ab568b9609564f119df7603508e23d23; ee7866d6f360eb53bd4ab8af0b816a701fdf18b2. (2) Client-Side Error Reporting and Monitoring: added error boundary and global error listeners to report unhandled frontend errors to Slack, including browser user agent for debugging. Commit: e503cc1571a7b2172fdd2463a2956df65f06d34d. Major bugs fixed: corrected hours display logic for long intervals and edge cases; enhanced error observability to reduce MTTR. Overall impact: clearer schedules for operators and diners, reduced support tickets related to hours display, faster debugging with richer error data and Slack alerts. Technologies/skills demonstrated: React frontend development, time-slot rendering logic, error boundaries, global error handling, Slack integration, and code refactoring to improve UX and observability.

May 2025

1 Commits • 1 Features

May 1, 2025

May 2025 — ScottyLabs/cmueats: Delivered a README image illustration to provide a visual reference and improve onboarding. Updated README.md to embed and describe the new image asset. No major bugs fixed this month. Impact: clearer documentation, faster onboarding, and stronger stakeholder communication with minimal code changes. Technologies/skills demonstrated: Markdown, asset embedding, documentation design, and version-controlled content updates.

April 2025

1 Commits

Apr 1, 2025

April 2025 monthly summary for ScottyLabs/cmueats: Completed a CSS-driven refactor of EateryCard styling and fixed a blinking dot animation sync issue. Introduced a dedicated EateryCard CSS file, migrated styling to CSS classes, performed code cleanup, and updated the README to reflect pure CSS styling. These changes improved visual consistency, reduced inline styling, and simplified future theming.

March 2025

2 Commits • 2 Features

Mar 1, 2025

March 2025 summary: Delivered targeted frontend improvements and a scalable theming system across ScottyLabs cmucourses and cmueats. Key improvements include UI polish, layout fixes, and a centralized design-token approach enabling branding consistency and faster UI changes. This work reduces visual debt and improves user experience and maintainability across products.

February 2025

4 Commits • 3 Features

Feb 1, 2025

February 2025 monthly summary: Delivered targeted UI refinements and data-model improvements across ScottyLabs cmueats and cmucourses, focusing on data integrity, user experience, and maintainability. Key accomplishments include fixed validation behavior for empty special descriptions, a thoughtful data-model refactor to separate base API data from dynamic extended data, and UI cleanups that reduce clutter and confusion.

January 2025

1 Commits • 1 Features

Jan 1, 2025

January 2025 focused on strengthening the ScottyLabs/cmueats foundation by migrating the package manager from Bun to pnpm to improve dependency management, install performance, and overall build reliability. The migration included enabling library type packages and aligns with modern tooling. In addition, onboarding and UX were improved through a refreshed greeting message and updated installation instructions in the README, contributing to faster developer onboarding and a better end-user experience. This work reduces future maintenance risk and positions the project for smoother feature deliveries going forward.

Activity

Loading activity data...

Quality Metrics

Correctness92.4%
Maintainability90.0%
Architecture88.0%
Performance87.0%
AI Usage25.0%

Skills & Technologies

Programming Languages

CSSElixirHTMLJavaScriptMarkdownSVGShellTypeScript

Technical Skills

API IntegrationAPI developmentAnimationBackend DevelopmentCI/CDCSSCode RefactoringData ModelingDate and Time ManipulationDebuggingDependency ManagementDockerDocumentationElixirError Handling

Repositories Contributed To

3 repos

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

ScottyLabs/cmueats

Jan 2025 May 2026
9 Months active

Languages Used

MarkdownTypeScriptCSSJavaScriptSVGHTMLShell

Technical Skills

Dependency ManagementJavaScriptPackage ManagementREADME ManagementTypeScriptAPI Integration

ScottyLabs/cmucourses

Feb 2025 Nov 2025
3 Months active

Languages Used

CSSHTMLJavaScriptTypeScript

Technical Skills

Frontend DevelopmentNext.jsReactTailwind CSSUI/UXfront end development

phoenixframework/phoenix

May 2026 May 2026
1 Month active

Languages Used

ElixirJavaScript

Technical Skills

ElixirJavaScriptdocumentation