TikTok / ByteDance
Frontend Engineer
–
Developed web applications for e-commerce agencies and livestream creators, delivering core product features while improving responsive user experiences and engineering quality.
Personal portfolio
Jimmy Wang
Frontend product engineer focused on complex web applications and engineering efficiency
Delivering web and cross-platform products with React and TypeScript, using AI coding and agent workflows across specification, implementation, testing, and review.
Professional experience
PCI Energy Solutions
Data Analyst
–
Integrated and analyzed data for electricity-market projects in Texas and California, supporting data processing and business analysis for power-sector clients.
KeyBridge Technologies
Full-stack Engineer
–
Worked on the full-stack development of two web-based tools: a spreadsheet-style lesson-plan editor for instructors on an online learning platform and a grid-based tile map editor, delivering complex editing interactions and end-to-end product functionality.
Featured work
View allTikTok Shop LIVE E-Commerce App
A cross-platform LIVE e-commerce tool for hosts and their operations teams, supporting product management and interactive selling experiences. Focused primarily on TikTok App development, including the product-management framework and sold-item experience for the US auction launch.
- ReactLynx
- TypeScript
- Zustand
- React Context
- Cross-platform
TikTok Shop Agency Management Platform
A web management platform for TikTok Shop agencies, covering LIVE commission agreements, creator lead management, and region-specific business rules.
- React
- TypeScript
- React Context
- Arco Design
- Regional Architecture
Vehicle Training Map Editor
A tile-based editor for vehicle-training environment designers, with viewport-based rendering, bulk tile placement, adjustable spatial resolution, and local file import and export.
- Vue
- Quasar
- SVG
- Viewport-based Rendering
- Interactive Editor
Featured interests
View allMCR Helper
A bilingual web reimplementation of an open-source C++/Cocos2d-x Mahjong Competition Rules tool, supporting hand input, fan calculation, and in-person game records.
- React
- JavaScript
- Ant Design
- Zustand
- TanStack Router
- Cloudflare Workers
ScoreMJ Community Scoring Platform
A scoring platform for in-person US Riichi Mahjong communities. I contribute to full-stack maintenance and independently delivered its broadcast display and control tools.
- RedwoodJS
- React
- GraphQL
- Material UI
- AWS
- Full-stack
Education
- Carnegie Mellon University
Carnegie Mellon University
Master of Science · Electrical and Computer Engineering
–
- University of California, Santa Cruz
University of California, Santa Cruz
Bachelor of Science & Bachelor of Arts · Computer Science and Network and Digital Technology (Double Major)
–
Skills
Web Application Engineering
- React
- TypeScript
- Zod
- Ant Design
- Material UI
- Zustand
- TanStack Query
- React Router
- Chart.js
Product Experience Engineering
- Responsive Design
- Mobile-first Design
- Accessibility
- Internationalization (i18n)
- A/B Testing
- Cross-browser Compatibility
- Web Performance
AI-assisted Engineering
- Codex
- Cursor
- Trae
- Specification-driven Development
- Task Decomposition
- Automated Testing & Verification
- AI-assisted Code Review
- Agent Development