About
Ethan Shea is a Founder and CTO at Regbase. He previously worked as a staff engineer at Vercel, where he built observability infrastructure and developed an AI agent product, and at Citadel, where he maintained trading data systems. He studied at the University of Washington.
Ethan Shea @ethshea
He actually did it. Perfect software. Totally bug-free π₯Ή πββοΈ https://t.co/WLxSsAi8Lr
Jul 31, 2026 Β· β₯ 5
Ethan Shea @ethshea
I've settled on two simple ID formats: ULIDs for time-ordered entities, like events and messages Random IDs for named entities, like users and projects, with length based on expected cardinality Both use the format <type>_<id>, with lowercase alphanumeric IDs.
Jul 30, 2026 Β· β₯ 2
Ethan Shea @ethshea
Just discovered the iPhone mirroring app- I love it!! So useful for when my pocket is a little cold and I need something to heat it up π₯
Jul 29, 2026 Β· β₯ 3
Founder at RegbaseYC X26
Intro paths
Ethan went through Y Combinator (Spring 2026) β any YC alum in your network can reach them through the YC community.
Their group partner at YC was Andrew Miklas, General Partner at Y Combinator β the partner who ran Regbase's batch and knows the company first-hand. YC profile β
In turn, Ethan can intro founders to Regbase's investors below.
Regbase's investors Β· 1
Co-founders at Regbase
Experience
- RegbaseFounder, CTOcurrent2026 β presentNew York, NY
- VercelStaff Software Engineer2025 β 2026New York, New York, United States
- VercelSenior Software Engineer2023 β 2025New York, New York, United States
- CitadelTechnical Lead2022 β 2023New York, New York, United States
- CitadelSoftware Engineer2021 β 2022New York, New York, United States
- MicrosoftSoftware Engineer II2020 β 2021Redmond, Washington, United States
- MicrosoftSoftware Engineer2019 β 2020Redmond, WA
- Applied Physics Laboratory-UWEngineering Intern2019Seattle
- University of WashingtonUndergraduate Teaching Assistant2018Seattle
- MicrosoftSoftware Engineering Intern2018Redmond
- Applied Physics Laboratory-UWEngineering Intern2017 β 2018Seattle
- Triangul8Engineering Intern2017
- Tirebuyer.comIT Operations Intern2017Kirkland, Washington
- Technical Systems, Inc. (TSI)Engineering Intern2016Lynwood, WA
- CaradigmSummer Intern2015Bellevue, WA
Education
- University of WashingtonBachelor's degree, Computer Science2016 β 2019
Skills & more
+2 more
Debugging.NET FrameworkLanguages English
From Ethan's professional profile.
Founder mafias
Y Combinator mafia8,668
Also came through, then founded or led a company.
+ 8,661 more
University of Washington mafia96
Also came through, then founded or led a company.
+ 89 more
Vercel mafia12
Also came through, then founded or led a company.
+ 5 more
Same school
Also attended University of Washington266
+ 260 more
Shared employers
Also worked at Regbase1
Also worked at Vercel30
+ 24 more
Also worked at Citadel63
+ 57 more
Also worked at Microsoft1,056
+ 1,050 more