Warren Wu Email & Phone Number

Texas, United States

United States

- Single-handedly designed and developed DSA Steps, a comprehensive educational platform teaching data structures and algorithms through an innovative pattern-based learning approach- Built a complete full-stack application using React, Node.js, Express, and PostgreSQL, with several 3rd party integrations such as Stripe, Contentful, Amazon S3, and Sendgrid- Implemented sophisticated features including: - Pattern recognition flow charts with interactive quizzes using drag-and-drop interfaces - Real-time progress tracking with granular performance metrics across multiple skill dimensions - Automated scoring system that evaluates conceptual understanding, implementation, and pattern recognition separately - Integration with Stripe for subscription management and payment processing - Headless CMS integration for course content management - State management using Redux Toolkit with optimized data flow patterns- Created an intuitive course structure dividing complex DSA topics into manageable learning paths, dramatically improving student comprehension and retention- Utilized modern web technologies including Tailwind CSS, Framer Motion, and Chart.js to create a polished, responsive UI- Implemented integration testing using Jest and designed a robust database schema to handle complex relationships between courses, problems, and user progress- Deployed using Vercel and Railway with Vercel Analytics

Plano, Texas

Developed and integrated multiple front-end Vanilla JavaScript components into existing JSP systems, enhancing web application functionality and user experience.Performed database migration project, converting stored procedures into Java Prepared Statements, tailored to meet specific client requirements, ensuring seamless data management and process efficiency.Rapidly identified and resolved a high-priority production bug in the UI, preventing rendering issues before market opening on Monday; this crucial fix averted potential client loss and maintained company reputation in high-stakes financial markets.