Thirdlayer
Continual learning for enterprise AI
About Thirdlayer
Continual learning for enterprise AI
Open positions (5)
AI Engineer Intern
Full-Stack Engineer Intern
Summer 2026 Full-Stack Engineer Intern
2026 Summer AI/ML Engineer Intern
Founding Engineer
Company details
Founders
Regina Lin
Regina is the co-founder & CEO of Dex. She studied Mathematics with a concurrent master's in Computational Science at Harvard (dropped out). She previously co-founded Contour AI, a devOps tool for LLM evaluation, helped build the MVP an ecommerce marketplace with 40K+ customers and worked in various tech investment roles.
LinkedIn
Kevin Gu
Co-founder of Dex. Prev Math & Stat at Harvard, quant/ML researcher at Jump Trading, IBM Research, QuantCo, Meta.
LinkedInWhat happens next.
No applications, no recruiter spam. Just the intro.
Confirm the fit
A few questions to make sure this role is the right shape for you. Two minutes.
I pitch you to the company
I write the intro, send it to the founder, and handle the back-and-forth.
A meeting lands on your calendar
If they’re a yes, I book the chat. You show up — that’s the whole job-hunt.