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frobel0520/README.md

Hi there, I'm Yu-Tsen Wei. 👋

🚀 About Me

I’m an AI/ML Engineer focused on building secure, production-ready AI applications. My work spans LLM integration, RAG, agentic workflows, AI guardrails, full-stack development, and enterprise authentication. I work across Python-based backend services, modern web frontends, data integration, and governed access to turn complex requirements into practical AI systems. My background also includes deep reinforcement learning research and a peer-reviewed first-author publication.

  • 🎓 Thesis: Risk-Aware Motorcycle Interaction in Mixed Traffic Flow via Deep Reinforcement Learning.
  • 🛠 Expertise: LLM-driven engineering workflows — directing AI coding agents to build and ship production software.
  • 💡 Passion: Solving complex problems through practical, AI-accelerated software solutions.
  • 🎌 Current Focus: AI/ML Engineering — designing and shipping software through AI coding agents.

🛠 Tech Stack

Area Technologies
Enterprise AI & LLM Systems LLM Integration, RAG, Agentic Workflows, AI Guardrails, Local LLMs
Machine Learning & Deep Learning Machine Learning, Deep Learning, Deep Reinforcement Learning, PyTorch, TensorFlow
Applied AI Research Reward Shaping, Curriculum Learning, Ray-based Perception, Risk-Probability Mapping, Local Path Planning, Collision Avoidance, Ablation Evaluation
Backend & Data FastAPI, REST APIs, PostgreSQL, Data Integration
Frontend React, TypeScript, Modern Web Interfaces
Identity & Security Microsoft Entra ID, SSO, RBAC, LDAP
Cloud & DevOps AWS, Linux, Git, GitHub Actions
Languages Python, TypeScript, JavaScript, SQL, C, C++, C#
Graphics & Simulation Unity 3D, Unity VR, Computer Graphics, Image Processing, Animation, Traffic Simulation

📊 Languages Across My Projects

Top programming languages across my public GitHub projects

📊 Professional Highlights

  • AI Simulation: Developed navigation models to simulate complex motorcycle behaviors in mixed traffic.
  • VR Development: Core developer for a VR English learning system, optimizing rendering for high-frame-rate experiences.
  • Teaching: Former TA for Data Structures and OOP (C++) at NYCU.

📫 Get in Touch

Pinned Loading

  1. AI-Agent-Tutorial AI-Agent-Tutorial Public

    Python

  2. guardrail-workshop guardrail-workshop Public

    Guardrail Fundamentals workshop: 11-page lesson site, interactive guardrail playground, and a runnable FastAPI defense-in-depth demo.

    TypeScript

  3. motorcycle-simulator-rebuild motorcycle-simulator-rebuild Public

    C#

  4. software-engineering-workshop software-engineering-workshop Public

    Interactive software engineering workshop

    TypeScript