Ever wondered how developers safely build and scale AI agents?

From early coding experiments in Prague to launching a secure, scalable environment for AI code execution, Vasek Mlejnsky, founder of E2B shares the story behind one of the most exciting tools in AI infrastructure today.

Discover why building in public, open-source models, and a focus on developer experience are transforming the way AI applications are built. He also talks about fundraising, navigating the AI boom, and the strategic move to San Francisco that helped E2B grow.

Whether you’re a developer, founder, or just curious about the future of AI, this episode is packed with insights, practical advice, and a peek into the sandbox where the future of AI agents is being built. Hit play and join us as we explore the tools, strategies, and vision shaping the next generation of AI!

• How E2B’s AI sandbox works and why developers need it
• The origin story of building sandbox infrastructure for AI agents
• Early technical challenges and the importance of safe execution environments
• The role of open source in scaling developer trust and adoption
• Building in public as a strategic advantage
• Fundraising lessons from early-stage AI startups
• Moving from Europe to the U.S. to tap into networks and opportunities
• Navigating the AI boom and staying ahead of rapid changes
• Why developer experience matters more than ever
• Vasek’s long-term vision for E2B as the foundational layer for agent-based apps

00:00 Introduction to Ship Happens Podcast
00:27 Meet Baek Linsky: Founder of E2B
01:09 The Journey to Founding E2B
02:17 Early Projects and Developer Tools
03:22 The Birth of E2B
04:17 Building a Community and Open Source
08:28 E2B's Technical Details and Vision
17:56 Fundraising and the Path to Success
22:15 Inspiration from Silicon Valley
23:34 The Decision to Move to San Francisco
24:44 Openness and Transparency in Business
26:14 Navigating the AI Boom
29:35 The Importance of Startups in Innovation
32:30 Future of Software Development with AI
38:30 The Role of Open Source Models
41:53 Conclusion and Future Plans

Vasek Mlejnsky is the founder of E2B, a platform offering secure, scalable sandboxes designed for AI code execution and agent development. With a background in developer tooling and open-source contributions, Vasek is shaping how developers safely build and deploy next-generation AI applications.

• Per Krogslund’s LinkedIn
• Vasek Mlejnsky’s LinkedIn
• Learn more about E2B
• Learn more about Docker

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I think it's a very interesting time to be in tech. Every day there's something new, a new revolution. As developers, we all of a sudden have advanced AI tooling in our hands. It's just a docker pull commander way. It's incredible. But how do we as developers, keep shipping great software when every day there's something new that apparently changes everything.

You ask people who have already done it, and that's what this podcast is all about. I'll sit down with startup founders, technologists. It's open source maintainers, and so many more to talk about how they learn, make decisions, and how they essentially keep shipping great software. It's about tech, it's about ai, and of course, containers, but also about people.

The podcast is called Ship Happens. It's hosted by me, Per Krogslund and powered by Docker.

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