Zheng Guozhi 📞 +86-130-1208-3786 | ✉ [email protected] 📍 Male | 8 Years Experience | Senior Frontend Developer

Professional Summary Frontend expert with 6+ years specializing in social/live streaming platforms and cross-platform app development. Led 3 company-wide infrastructure projects (40-70% efficiency gains). Proven track record in performance optimization (70% faster loading), AI-integrated workflows (40% efficiency boost), and revenue-driving features (supporting ¥100M+ annual revenue). Combines technical depth with 1+ year operational experience in user growth strategies.

Core Competencies ✔ Technical Leadership: Built frontend ecosystems from scratch, established development standards ✔ Performance Optimization: Reduced FCP from 3.2s→0.9s, crash rates from 15%→1% ✔ Innovation: Self-developed tools (TouchDebug, EryuSDK) improving debugging efficiency by 70% ✔ Cross-Platform: 6+ years with H5/WeChat Mini Programs/App hybrid development ✔ AI Integration: Implemented AI code generation (40% component development efficiency gain)

Professional Experience Light Entrepreneurship | Frontend Lead | 2023.12-2025.02

Developed AI-powered applications for traditional business transformation Created technical courses for overseas social media IPs (500K+ followers) Pioneered RAG+multimodal LLM solutions for rapid product generation

Baobao (Video Live Streaming) | Senior Frontend Developer | 2018.03-2023.12

Built core features (recharge/live streaming) supporting ¥100M+ annual revenue Developed 10+ engagement systems (confession wall/lottery draws) increasing UV by 80% Tech Achievements: Created reusable component library (80% reuse rate) Reduced FCP by 70% through Lighthouse-optimized performance tuning Designed Webpack-based Docker deployment system reducing CI errors by 90%

Ermi (Audio Social App) | Senior Frontend Developer | 2019.03-2023.12

Implemented chunked upload + Worker hash calculation (crash rate ↓15%→1%) Developed Node.js middleware for mock data/API docs (40% dev efficiency gain) Optimized WebSocket messaging: latency ↓500ms→80ms for real-time rankings

Self-Developed Tools | 2023-Present

TouchDebug: H5 debugging toolkit (70% faster bug resolution) EryuSDK: Cross-platform communication SDK termrun: Open-source multi-command tool (1K+ monthly downloads)

Earlier Roles

PaiPai (2017-2018): Boosted sharing rate by 45% via mini-program optimizations FeeTip (2016-2017): Full-stack development of merchant service platforms 95306 (2015-2016): Led commodity information portal development for China Railway

Technical Stack Frontend: Vue/React (including source code expertise), WeChat Mini Programs Build Tools: Webpack (custom plugins), Node.js, Docker Performance: Lighthouse, ErrorBoundary, WebSocket optimization Innovation: AI code generation, RAG+LLM applications

Education Beijing Economic Technological College | Computer Application Technology (2013-2016)