π **SUMMARY**
*Senior Full Stack Engineer with 6+ years building 0β1 products at Google and Stripe. Expert in React/Node.js ecosystem and cloud-native architecture, delivering 3 production systems serving 50M+ users. Reduced latency by 68% across stack, drove $22M+ revenue growth, and hold 2 patents in real-time collaboration tech. Fluent in English/Mandarin.*
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### πΌ **WORK EXPERIENCE**
#### **Senior Full Stack Engineer** | **Google (Workspace)** | *Mountain View, CA*
*2021 β Present*
**Tech Stack:** TypeScript, React, Angular, Node.js, Google Cloud, Firestore
- **Real-time Collaborative Docs**
- Led frontend architecture for Google Docs conflict resolution system, **reducing sync latency by 68%** using CRDTs and WebSockets optimization.
- Implemented **Operational Transformations** backend handling 1.2M concurrent editors, achieving 99.99% uptime.
- **AI-Powered Features**
- Built βSmart Composeβ feature with TensorFlow.js, **increasing user engagement by 23%** (DAU 8.4M β 10.3M).
- Designed CI/CD pipeline with **GitHub Actions + Cloud Build**, cutting release cycle from 2 weeks to 3 days.
#### **Full Stack Engineer** | **Stripe** | *San Francisco, CA*
*2018 β 2021*
**Tech Stack:** React Native, GraphQL, Ruby on Rails, AWS, Redis
- **Payment Terminal OS**
- Created React Native-based OS for Stripe Terminal devices, **deployed to 200k+ devices** across 30 countries.
- Optimized Bluetooth LE stack reducing payment processing time **from 4.2s to 1.8s** (P95).
- **Merchant Dashboard**
- Developed GraphQL gateway unifying 12 microservices, **improving API latency by 42%** (P99).
- Introduced WebAssembly-based report generator cutting PDF export time **by 76%**.
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### βοΈ **TECHNICAL MASTERY**
| **Frontend** | React (Expert), Next.js, Angular, Vue, Redux, WebSockets, WebAssembly
| **Backend** | Node.js (Expert), Python, Java, Spring Boot, Ruby on Rails, GraphQL/REST
| **Mobile** | React Native, SwiftUI, Android Jetpack Compose
| **Cloud & DevOps**| AWS/GCP, Kubernetes, Docker, Terraform, GitHub Actions, Prometheus
| **Data & ML** | Firebase, BigQuery, PostgreSQL, TensorFlow.js, LLM integration
| **Architecture** | Microservices, Serverless, Event-Driven, Real-time Systems
### π **KEY ACHIEVEMENTS**
- **High-Impact Products**
- Launched Google Workspace feature used by **5M+ daily active users** within 6 months.
- Drove **$22M+ revenue growth** at Stripe through terminal OS adoption.
- **Open Source Leadership**
- Maintainer of **React-Query** (GitHub 38k+ stars), merged 120+ PRs improving caching layer.
- Created **RealSync** (CRDT library for React), **2.1k+ stars**, adopted by Microsoft Teams.
- **Innovation Recognition**
- Patent #US2022167890: *"Method for Conflict-Free Editing in Distributed Web Applications"*.
- Google Founders' Award 2023 (Top 0.5% engineers).