Sphere
AI-powered sales tax, VAT and GST compliance
About Sphere
AI-powered sales tax, VAT and GST compliance
Open positions (7)
Senior Full Stack Engineer
Founding Forward Deployed Engineer
Founding Account Executive
Senior Backend Engineer (Infrastructure)
Senior Product Engineer
AI Engineer
Senior Backend Engineer (Data)
Company details
Funding
Total raised
$25.3M
Last stage
Seed
Investors
Founders
Tony Conrad
Co-founder of Sphere, founded in 2021.
Adrian Sarstedt
Co-founded Sphere (originally ScholarSite) alongside Nicholas Rudder. Departed the company prior to the Series A announcement in November 2025.
Nicholas Rudder
I'm the Co-Founder and CEO of Sphere, living in SF but originally hailing from the sunny shores of Sydney, Australia. My background is in both tech and finance.
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.