Lily Wang
AI Engineer / Product Builder
Product-driven AI Application Engineer & Product Builder with a CS background and 5+ years of PM experience across B2B/B2C SaaS. I build LLM/RAG systems and agentic workflows with Python — turning real-world operational bottlenecks into measurable ROI.
What I bring to the table
AI Product Leadership
Led end-to-end planning and launch of an AI Chatbot, review reply features, and an internal AI Agent. Hands-on experience with Generative AI, LLMs, RAG, and Prompt Engineering.
Engineering Background Advantage
B.S. in Computer Science with hands-on Android development and automated testing (Python/Appium) experience. Applied Machine Learning hands-on through Duke's ML for Product Managers program — enabling fluent collaboration with engineering and data science teams.
5+ Years PM Experience
End-to-end product lifecycle — from 0 to 1 roadmap definition to stakeholder alignment and cross-functional execution. Delivered 50+ features and 60+ app releases across B2B/B2C SaaS and mobile apps.
Data-Driven Decisions
Proficient in Firebase, Google Analytics, Tableau, and Power BI. Designs A/B tests and MVPs to validate hypotheses, with PRD-backed prioritization to continuously optimize product performance.
Measurable Impact
At 104 Corporation: Activation Rate 18.6% → 35.8% (+92%), Retention Rate 12.4% → 21.4% (+73%), iOS crash rate reduced from 0.17% to 0.05% — driven by data-driven roadmap prioritization.
Large-Scale Platform Experience
Managed a 99K+ MAU, 105K+ download SaaS platform with full cross-functional ownership. Previously led digital projects on FamilyMart APP with 14M+ users across Taiwan.
Things I build for fun
Finance AI Assistant
A production-ready local RAG agent for US/TW stock analysis, built with LangGraph, Ollama, and pgvector for 100% data privacy. An automated ETL pipeline pulls, cleans, and vectorizes SEC Edgar filings, TWSE MOPS reports, and Yahoo Finance RSS news into PostgreSQL.
AI Machine Learning Project
An AI-focused machine learning project from the Duke AI Product Management course, comparing Linear Regression and Random Forest models to predict real-world power plant energy output.
AI Job Matcher
A local Node.js app that scrapes job postings with Playwright and uses OpenAI to score job-resume fit (1-10), surface skill gaps, and draft tailored cover letters.
Tool Box
A free, multilingual online utility hub offering a collection of productivity tools, supporting 13 languages including English and Traditional Chinese.
Whatever is worth doing is worth doing well.