Rex Mcarthur
Director Of AI And ML at Procurement Sciences
Los Angeles, California, United States
Summary
👤
Senior🎓
Top SchoolRex Mcarthur is a Director of AI and ML with a decade of experience building data-driven products and leading research-to-production initiatives across companies like You.com, Jasper, Lyft, and Apple. He combines hands-on data science and backend engineering—evidenced by open-source contributions to large scrapers in the openstates project—with strategic leadership advising startups on AI innovation. Known for asking hard questions and finding the data to answer them, Rex has shipped retrieval-augmented generation products and scaled enterprise AI efforts while reporting to executive leadership. Based in Los Angeles, he brings a strong Python-centered toolkit and a computational mathematics background to bridge rigorous research and practical system design, and is an avid amateur space enthusiast whose curiosity often informs unconventional problem framing.
10 years of coding experience
8 years of employment as a software developer
Bachelor's degree Computational and Applied Mathematics, Bachelor's degree Computational and Applied Mathematics at Brigham Young University
English, Icelandic
Github Skills (7)
data-extraction10
e-government10
scraper10
g10
python10
webscraping10
sql4
Programming languages (4)
Github contributions (5)
openstates/openstates-scrapers
Jan 2021 - Feb 2021
source for Open States scrapers
Role in this project:
Back-end Developer
Back-end DeveloperContributions:7 commits, 3 PRs, 1 comment in 1 month
Contributions summary:Rex primarily contributed to the back-end logic and data scraping functionalities of the project. Their work involved updating and modifying scrapers for various states, including South Dakota and the United States Congress, indicating a focus on data extraction and processing. They made changes to bill scraping, including adding amendments, vote information, and actions. The user also worked on code refactoring and removing unnecessary components, improving the code's maintainability.
scraperpythongovernmentscrapers
drexmca/GrobnerSolver
Jan 2017 - Apr 2017
Contributions:25 commits, 2 PRs, 16 pushes in 2 months
basespolynomial
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