Gavin Holtzapple
If you're a recruiter, VC, or founder, read my signals and spikes.
I'm a Software Engineer at Stripe, with previous experience at Coinbase, Cape, and others.
My daily work involves building cool moonshot-y stuff for Stripe.
My favorite thing to do is kill incumbent companies who no longer innovate.
Professional Experience
Industry
Stripe · Software Engineer · 2026 - Present
Stripe
Software Engineer • April 2026 - Present • 3 months
My work includes Token Billing and the AI Gateway products
Billing for LLM tokens
Bill for LLM tokens without building a pricing engine.
docs.stripe.com
Cape · Software Engineer · 2025 - 2026 · 8 Months
Stripe · Intern · Summer 2025 · 3 Months
Coinbase · Intern · 2024 - 2025 · 7 Months
Walmart · Intern · Summer 2024 · 3 Months
Rockwell Automation · Intern · 2023 - 2024 · 7 Months
Rockwell Automation
Intern • Fall 2023 / Spring 2024 • 7 Months
Adding testing suites to FactoryTalk software
Cigna · Intern · Summer 2023 · 3 Months
V Digital Services · Intern · Summer 2022 · 3 Months
Writing
What I Learned During My First SWE Job
May 2026
Four lessons from my first software engineering job out of college.
Stop Needing Things
March 2026
You don't need anything except yourself.
History Doesn't Repeat Itself, But it Often Rhymes
March 2026
Predicting the future by using the past
Predictions: 2026-2036
February 2026
Predictions for what industries will succeed over the next decade, & how AI will mature.
Claude Code is the Best Doctor I Never Had
January 2026
How Claude Code can help patients understand themselves
How I built a 5G Core
January 2026
Potentially saving companies millions with a pet project
My Advice to Incoming College Freshmen
January 2025
4 pieces of advice from a college senior to incoming freshmen.
Why CS Majors Can't Get Jobs
January 2025
The new standard for computer science students is to make things.
Open Source
Large Projects
Hydra
Agent orchestrator for running and managing many Claude Code, Codex, and terminal sessions at once.
5G Core Network
Open source 5G mobile core network implementation in Rust, Typescript, and C.
Medium Sized Projects
Nutritionmaxx
Improve your nutriton by using facts and logic.
Mailman
Automatically curates and summarizes arXiv research papers, delivered to your inbox on a schedule.
