Rick Y. Wang Statistics

Lead Data Scientist @Cluster Bi Inc

Toronto, ON, CA

Collaboration: served as data science consultant for clients Project- Swifthire: architect an end-to-end AWS (S3, Lambda, Eventbridge) solution for client to match users’ profiles with newly available job postings, gaining efficiency finding appropriate positions for each resume; a. schedule daily-run data collection pipeline for job platforms (LinkedIn, Indeed, and Glassdoor) via Apify; implement pipeline to automatically extract information from user’s resume using OCR;b. leverage language models to vectorize job postings and resumes, developed algorithms to match suitable job postings and notify users via email;c. deployed Beta version of the application, oversee and monitor progress regularly; experiment LangChain to further enhance functionalities, build an Agent that can automatically collect job information (SerpAPI), matching resume and job postings (Vectorstore| Pinecone) and notifying users (Gmail Toolkit); Project (RAG)- Generative based real-time document querying/extraction ChatBot via Azure AI Studio: created LLM Chatbot to answer questions about company reports on SEC risk assessment; provided PDF documents feed, loading, splitting/chunking, embedding via task LLM, vector-store indexing and storage in Azure VetcorDB for matching embedded user input questions to ChatBot; retrieval via task appropriate LLM and optimized Prompt Engineering for user-ChatBot interaction; generated data reports and summaries;Project (RAG)- LangChain-powered real-time Educational ChatBot: created ChatBot via generative AI to implement LLM processes including OpenAI API, Langchain, and VectorDB via Chain-of-Thought(CoT) AI, AgentizeAI tool, and domain specific document/knowledge storage using PineCone VectorDB; Implemented agile project development methodology; • Project - LightFM: developed hybrid recommendation system for apparel E-vendor w/ 100 million+ customers & 10k+ products via LightFM model outperforming Content-based & Collaborative Filtering;

Penn State University

Doctor of Philosophy - PhD, Statistics

University of Chicago

Master of Science - MS, Applied Mathematics - Finance