Yuan Jack Yao StarsExpress

😃 Hi Everyone~I am Yuan Jack Yao

Prev. Summer DS III Intern @ Walmart
- Sam's Club AI Acceleration Team.
- Agentic AI Infra & Platform.
- Vision Intelligence: E2E System, RAG.
Former Full-time Junior DS @ SUEZ
- Smart & Environmental Solutions (SES) China.
- Client-facing product delivery.
- NLP | Time Series | DBSCAN | Linux.

Graduate TA — CS 6604 Conversational AI
- Autograder deployment & assignments design.
MSA, School of Computational Science & Engineering
- Expected graduation: December 2026.

Name	Description	Status
🏈LinesShines · 鋒光	Interactive NFL metrics system: Unit strength analysis — embedded teammates tables into player cards. Players comparison — pinnable & mergeable player stats cards. Highlighted selections — multi-team & player union filters. Smart name search by fuzzy matching — including suffixes. Draggable, detailed & dynamic ranking stats — reflect w.r.t. filtered pool. Exportable high-resolution PNGs — big plots, individual & team cards.	✅Deployed
🎰JOB: Jack's Online Blackjack	Casino-style Macau Blackjack with complex rules: Support up to 4 split hands for all non-Ace pairs. Allow conditional double down after split options. Automatic tracker for each round's profits & losses history. Polished gameplay experience mimicking casino tables.	✅Deployed
🏇天码行空 · SkyHorse	Chinese-English Bilingual DSA tech blog: Cover 30+ LeetCode Hard problems' tutorials. Intuition, step-by-step implementation, complexity analysis. All code implementations include both Python and C++.	✅Deployed
🌏EcoTeller	LoRA fine-tuned Qwen2.5-3B-Instruct for environmental issue extraction from related news titles.	🪏Frontend planning

Product	Role	Repo	Contributions
Code Puppy	Coding Agents	820⭐, 280🍴	Merged PRs: Cut down idle CPU wake-ups by 88.5% for Agent-UI communications. Discovered and added missing thread lock for user responses. Restored silently-dropped Gemini config. Unified tools' drifted file-read process. Aligned 20+ inconsistent config parser calls.
Pydantic AI	Agentic AI Framework	20K⭐, 2.7K🍴	Merged PRs: unified API errors handling pattern across Google & Cohere embedding models by extracting shared context managers.
LeetCode Wiki	DSA Library	36.6k⭐, 9.5k🍴	Added 8 optimal solutions and tutorials for hard problems.
The Algorithms	Algorithms Tutorials	225k⭐, 51.1k🍴	Generalized optimal Kth next greater element method at $O(k \times n)$ time complexity.