Wei Zhaoyang
Full-Stack Developer | AI Agent Engineer
8 years in full-stack development with expertise in AI Agents and high-performance web applications. Led enterprise-scale device management systems serving millions of devices and intelligent operations agents.
Peking University, M.S. i@awayne.me +86 15210983619 1991/07
Professional Experience
2024/08 - 2026/01
Meituan - Senior Frontend Engineer
- Led frontend development of IoT supply chain platform managing 10M+ devices lifecycle (shipping, logistics, monitoring, maintenance), with automation tooling ensuring data accuracy at scale
- Built AI Agent for device diagnostics integrating knowledge base RAG, supporting status retrieval, log analysis, and fault diagnosis via Web chat, IM bots, and MCP protocol
- Pioneered AI-driven E2E testing framework with autonomous test generation, execution, and reporting—automating 30% of integration testing
2018/08 - 2024/07
Beijing National Railway Research and Design Institute of Signal and Communication (CRSCD) - Software Development Engineer
- Led R&D of industrial software for digital railway systems, designing core architectures for signal acquisition, remote operations, and high-performance graphical rendering with real-time multi-source data visualization
- Delivered freight yard safety system using Digital Twin and GIS, enabling 24/7 tracking of personnel, vehicles, and equipment with integrated signal interlocking and risk monitoring
Technical Skills
AI Agent Development
- Production-grade AI Agents using mainstream LLM APIs and LangChain with scenario-specific Prompt Engineering
- ChromaDB-based hybrid RAG architectures for million-word-scale knowledge bases with automated summarization and expansion
- Reusable tool chains and MCP Servers for tool orchestration with Skills-based capability transfer
Web Frontend Development
- Expert in Vue3, React and TypeScript for complex business systems and custom components
- Proficient in Angular and RxJS for highly complex reactive applications
- Skilled in component libraries (Element Plus, Vant) and CSS frameworks ( Tailwind CSS) with production-grade practices
Backend Services & Infrastructure
- RESTful APIs and microservices with Hono, Express, and ASP.NET Core
- Proficient in PostgreSQL, MongoDB, and Redis for data storage and query optimization
- Cloud deployment on Cloudflare, AWS, Firebase, and Alibaba Cloud with containerization expertise
Desktop & Engineering
- Cross-platform desktop applications using Electron and WPF
- Automated testing pipelines with Vitest and Playwright for E2E and unit testing
Education
2015/09 - 2018/07
Peking University - Master's Degree
Computer Technology
Core Courses: Mobile Internet Development, Machine Learning, Cloud Computing | Thesis: Research on Container-based Load Balancing Methods Using Docker
2009/09 - 2013/07
Beihang University - Bachelor's Degree
Aerospace Propulsion Engineering
Core Courses: Computer Architecture, High-Performance Parallel Computing, Industrial Automation Control | Thesis: Research on Parallel Computing Performance Optimization Based on APU
Project Experience
2025
Power Bank AI Assistant
Led the design of an intelligent assistant for customer service and operations, featuring data querying, fault diagnosis, and Q&A capabilities.
- Deployed hybrid RAG (Two-step + Agentic RAG) on million-word knowledge base, achieving 92% retrieval accuracy
- Integrated 30+ analytics APIs via Tools mechanism, with optimized prompts boosting complex query accuracy to 85%
- Supports Web/IM/MCP access channels with 500+ daily invocations, improving operational efficiency by 60%
2024
Power Bank Supply Chain Management & Device Operations Platform
An end-to-end supply chain platform serving 10K+ partners with real-time monitoring of millions of devices.
- Covers complete workflow (shipping, logistics, maintenance), achieving 2 hours/person-day efficiency gain
- Built high-performance virtualized table engine handling 10K+ data entries with dynamic form components
2023
CROP Remote Operations Management Platform
Led microservices-based railway remote operations solution serving 100+ stations with 99.9% reliability.
- Integrated remote data transmission, job monitoring, real-time video, and historical analytics
- Built concurrent data acquisition pipeline with graphical rendering and interactive dashboards
2022
DCYS Freight Yard Safety Protection System
Led 5-member team to deliver Digital Twin + GIS monitoring system for freight yards.
- Real-time tracking of tracks, equipment, vehicles, and personnel via sensors and wearables
- Integrated geospatial, environmental, and signal data with 24/7 safety monitoring dashboards
2021
TW-DARS Data Analytics & Visualization System
A cross-platform analytics system for railway operational data with automated processing.
- Handles 100GB+ daily data with data mining and interactive visualization
- Real-time alerts for safety risks and system anomalies via fault detection
Additional Information
- Founded a startup during university; invited speaker at Google DevFest; authored 500K+ words of technical articles
- Strong UI/UX design capabilities with proficiency in Illustrator, Figma and Sketch
- Fluent in English and Japanese, holding JLPT N2 certification