thecardcaddie.com
A website, app, and browser extension that recommends the best credit card to use when checking out (online or in-store) to maximize rewards.
Henry Gardner
I love maps. I thought I'd make my portfolio into one.
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EDUCATION
UC Berkeley
M.S. Information & Data Science
2023 – 2025
University of Rochester
B.S. Computer Science, Joint B.A. Mathematics & Statistics
2018 – 2022
EXPERIENCE
2026 – now
Stealth Startup
Founder
Building in the travel space.
2024 – 2026
NSMBL
Founding Machine Learning Engineer
Built an AI media product from zero, and co-led a 7-figure ARR consulting project.
2024 - 2026
Self Employed
Consultant
Occasionally took on freelance projects, including an AI-native customer support agent across SMS/Email/WhatsApp for a MedTech startup.
2022 – 2024
Raytheon Intelligence & Space
Software Engineer
Cut UAV software installs from 17 hours to 31 minutes.
2021
Vee Ventures
Python Cloud Developer (Intern)
Promoted 2-weeks into the internship.
2019 – 2024
University of Rochester & UC Berkeley
Teaching Assistant
Taught and led workshops at Rochester and Berkeley alongside both programs.
HACKATHON
WINS
Hack for Humanity: San Francisco
September 19, 2026
1st place — Best Use of Photon
Spatial Intelligence + Generative 3D Hackathon
September 5, 2026
2nd place
DeepLearning.AI Voice AI Hackathon: The Complete Trip
July 18, 2026
2nd place
Can you find the optimal solution for one of my favorite chess puzzles?
White to move
White to move. Find the winning sequence.