Alex Wong — SDET / Full-Stack Developer
Building production tools that solve real problems. Strong fundamentals in React, Node.js, and Firebase-based architectures.
Live at trainpace.com
Frontend — React, TypeScript, Vite, TailwindCSS
- GPX elevation parsing & interactive visualization
- Real-time pace/fuel calculators with terrain awareness
- Firebase Auth with domain-restricted flows
- Branch-aware Vercel deployments
Backend
- Node.js API
- Features: elevation analysis, GPX parsing, fuel plan refinement
- Firebase integration for auth + Firestore persistence
- Modular endpoint design for feature expansion
Behavioral analysis case study mapping engagement patterns in consumer apps. Manual UX observation, no scraping—systems thinking applied to product design.
Case Study: Uber Eats 21-Day Engagement Mapping
- Production-ready SPAs with clean architecture
- API design focused on scalability and maintainability
- End-to-end testing automation with CI/CD integration
- Strong debugging and system analysis skills
- Cross-functional collaboration (worked closely with QA, product, and eng teams)
Next: Exploring AI-driven race prediction and coaching agents using MCP + Firebase.

