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Hey everyone, I'm the CEO of the E2B - the VMs that the article talks about.

Happy to answer your questions!


Woah so cool! A bit tangential but I think a lot of us on HN are open source fans, do you have advice on how to find an open source idea which has potential to grow into a large project like yours?

I'd suggest look at your own problems. Tomas (my co-founder) and I built E2B back in 2023 because we needed a cloud computer for our agent back then.

What led you to use Firecracker over something like Kata containers?

We wanted a cloud computer for our agent that would be as close to a metal box as possible. No docker, no containers, etc.

Many of our users run containers and even k8s or k3s inside the sandbox. This is much easier to do when you have a VM and not container inside the VM


Jason Calacanis (famous venture capitalist, podcaster, early investor into Uber) said in the last all-in that there were humans doing stuff for you in the Instinct.

I also thought all the permissions I had to give it were scary, given how big of a single point of failure it'd be.

Can you share whether it's possible for your customer to have automated indians doing jobs as part of their implementations of the VM?

I deleted my Instinct after one day of productive work and I hope they finished my data.


E2B (https://e2b.dev) | SF/Bay Area/Prague (CZ)/Europe | full-time | [Platform | Security | Distributed Systems | Systems | Frontend | DevRel] Engineer

At E2B, we're building an open-source computer for AI agents. Imagine you want to run 100k claude codes simultaneously, and all spin up in milliseconds.

We're a Series A startup with 8+ figures of annual revenue. We've raised over $37M and have customers that are both exciting new startups (a lot of companies with billboards around SF are our customers and enterprises. We're scaling fast, hiring all over the place, have 5+ years of runway, and a roadmap full of exciting features to build.

If you like solving hard problems, moving fast, and can excel in a bit of chaos, I'd love to chat. Send me your work to vasek[at]e2b.dev.


E2B | SF (US) or Prague (CZ), both on-site | [Platform | Security | Distributed Systems | Sales] Engineer/DevRel Engineer | https://e2b.dev/careers

E2B is an open-source infra devtool that gives AI agents cloud computers that we call sandboxes.

We're Series A startup with 7+ figures revenue. We've raised over $32M and have customers like Perplexity, Hugging Face, Manus, X, MSFT, or Groq. We're growing double digits every month, have 5+ years of runway, and a full roadmap of exciting features to build.

I'd love to chat if you want to help us with some of the scaling challenges, DX, or new products!

Feel free to send me your projects to vasek[at]e2b.dev.


E2B | SF (US) or Prague (CZ), both on-site | [AI | Platform | Systems | Distributed Systems | Customer] Engineer/DevRel Engineer/Head of Engineering | https://e2b.dev/careers

E2B is an open-source infra devtool that gives AI agents cloud computers that we call sandboxes.

We're Series A startup with 7+ figures revenue. We've raised over $32M and have customers like Perplexity, Hugging Face, Manus, or Groq. We're growing double digits (sometimes triple digits) every month, have 5+ years of runway, and a full roadmap of exciting features to build.

I'd love to chat if you want to help us with some of the scaling challenges, DX, or new products!

Feel free to send me your projects to vasek[at]e2b.dev.


E2B | SF (US) or Prague (CZ), both on-site | [AI | Platform | Systems | Distributed Systems | Customer Support] Engineer/DevRel | https://e2b.dev/careers

E2B is an open-source infra devtool that gives AI agents cloud computers that we call sandboxes.

We have revenue, customers like Perplexity, Hugging Face, or Mistral, growing fast, multiple years of runway, and a full roadmap of exciting features to build.

I'd love to chat if you want to help us with some of the scaling challenges, DX, or new products!

Feel free to send me your projects to vasek[at]e2b.dev.


E2B | Distributed Systems/AI/Platform/Systems/DevRel Engineers | Full-time | San Francisco/Prague (in-person only) | $180k - $350k + equity | https://e2b.dev

Hi, I'm Vasek. CEO of E2B (https://e2b.dev). We're building an open-source infra that gives AI agents cloud computers.

We have customers like Perplexity, Mistral, Hugging Face, Rabbit, Manus, and a lot of new exciting startups building in the AI space. We have revenue, are growing double digits MoM, and raised over $11M. We're hiring engineers all over the board to work on our infrastructure, SDKs, AI projects, and user dashboard.

We're a team of 13, the core team is immigrants from Europe that moved to San Francisco. We work from our office in SF and in newly opened office in Prague. Both are in-person. Two technical co-founders that have known each other for 15 years.

We're looking for several roles. You can check out details at e2b.dev/careers

If this sounds interesting to you, shoot me an email at vasek at e2b.dev. We've found some great people on HN before so looking forward to hearing from you!


E2B | Distributed Systems/AI/DevRel Engineers | Full-time | San Francisco/Prague (in-person only) | $100k - $300k + equity (0.1% - 0.3%) | https://e2b.dev

Hi, I'm Vasek. CEO of E2B (https://e2b.dev). We're building an open-source infrastructure for AI code interpreting/code execution in our Sandboxes.

We have customers like Perplexity, Vercel, Hugging Face, You.com, and a lot of new exciting startups building in AI space. We have revenue, are growing, and raised over $11M. We're hiring engineers all over the board to work on our infrastructure, SDKs, AI projects, and user dashboard.

We're a team of 15, the core team is immigrants from Europe that moved to San Francisco. We work from our office in SF and in newly opened office in Prague. Both are in-person. Two technical co-founders that have known each other for 15 years.

We're looking for:

- Distributed systems engineer to work on our infrastructure that's powered by Firecracker and Nomad.

- AI engineer to help us build more opinionated AI codegen tools on top of our sandboxes (think our version of Next.js)

- DevRel engineer to help us inspire more developers by creating mini projects, examples, integrations, and help us with our Discord community.

If this sounds interesting to you, shoot me an email at vasek at e2b.dev. We've found some great people on HN before so looking forward to hearing from you!


E2B | Distributed Systems/Systems/AI/Support Engineers | Full-time | San Francisco (in-person only) | $150k - $400k + equity (0.1% - 1%) | https://e2b.dev

Hi, I'm Vasek. CEO of E2B (https://e2b.dev). We're building an open-source infrastructure for AI code interpreting in our Sandboxes.

We have customers like Perplexity, Vercel, have revenue, growing, and raised over $11M. We're hiring engineers all over the board to work on our infrastructure, SDKs, AI projects, and user dashboard.

We're a team of 9, the core team is immigrants from Europe that moved to San Francisco. We work from our office in SF and in Prague. Both are in-person. Two technical co-founders that have known each other for 15 years.

If this sounds interesting to you, shoot me an email at vasek at e2b.dev. We've found some great people on HN before so looking forward to hearing from you!


E2B | Distributed Systems/Systems/AI/Product Engineers | Full-time | San Francisco (in-person) | $150k - $400k + equity (0.1% - 1%) | https://e2b.dev

Hi, I'm Vasek. CEO of E2B (https://e2b.dev). We're building an open-source infrastructure for AI code interpreting in our Sandboxes.

We have customers like Perplexity, have revenue, growing, and raised over $11M.W e're hiring engineers all over the board to work on our infrastructure, SDKs, AI projects, and user dashboard.

We're a team of 9, the core team is immigrants from Europe that moved to San Francisco. We work from our office in SF. Two technical co-founders that have known each other for 15 years.

If this sounds interesting to you, shoot me an email at vasek at e2b.dev.

We also offer a $10k referral bonus for the distributed systems engineer if we hire the person.


E2B | Distributed Systems/Systems/Product Engineers | Full-time | San Francisco (in-person) | $150k - $250k + equity (0.1% - 1%) | https://e2b.dev

Hi, I'm Vasek. CEO of E2B (https://e2b.dev). We're building an open-source infrastructure for AI code interpreting in our Sandboxes.

We have customers like Perplexity or PGA. We recently closed a $11M round, growing double digits every month (started over 10M of our sandboxes, almost half of that just last month), and are hiring engineers all over the board to build on our infrastructure, SDKs, and user dashboard.

We're a team of 7, the core team is immigrants from Europe that moved to San Francisco. We work from our office in SF. Two technical co-founders that have known each other for 15 years, 3 engineers, 1 devrel, and 1 operations. Check out our careers page to learn more - https://e2b.dev/careers.

If this sounds interesting to you, shoot me an email at vasek at e2b.dev.

We also offer a $10k referral bonus for the distributed systems engineer if we hire the person.


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