Butter is building bVisor, an incredibly lightweight sandbox runtime for AI agents.
It embeds directly into your local process, providing a safe bash environment without the overhead of VMs or remote infra.
Last stage
Seed
Investors
Erik Dunteman
Founder and CEO at Butter.dev. Previously founded Banana.dev, a serverless GPU platform where we hosted production-critical inference jobs for more than 3,000 AI teams. Later joined our competitor Modal.com as a Growth Engineer. I also run ultras!
LinkedInNo applications, no recruiter spam. Just the intro.
A few questions to make sure this role is the right shape for you. Two minutes.
I write the intro, send it to the founder, and handle the back-and-forth.
If they’re a yes, I book the chat. You show up — that’s the whole job-hunt.
