Inside Bolt: From near-death to ~$40m ARR in 5 months—one of the fastest-growing products in history | Eric Simons (founder and CEO of StackBlitz) · Lenny's Podcast: Product | Career | Growth summary

Key takeaways

Bolt's rapid success is driven by innovative technology that simplifies coding for non-developers.
The relationship between PMs and developers may shift as tools like Bolt empower PMs to create solutions directly.
Scrappiness and resilience in entrepreneurship can lead to unexpected breakthroughs and success.
AI advancements are fundamentally changing roles and processes within tech companies, enabling faster and more efficient development.
The future promises more cohesive integration of AI tools in product design, potentially reducing reliance on traditional coding practices.

Summary

The Explosive Growth of Bolt

Eric Simons details the rapid growth of Bolt, which went from zero to approximately $40 million in Annual Recurring Revenue (ARR) within just five months of its launch. He discusses how the company, once on the brink of collapse, leveraged a strategic launch via Twitter that garnered immediate interest and user adoption. The product's innovative use of WebContainer technology, which allows a browser-based operating system to run efficiently, has set it apart in the competitive landscape, facilitating a user base of over 3 million registered users and around 1 million monthly active users.

Revolutionizing the Development Process

Bolt's technology stands out due to its ability to provide a fast, reliable coding experience compared to competitors. Eric explains how the company's focus on creating a development environment entirely in the browser, with minimal setup time, significantly enhances productivity. This model allows users—both technical and non-technical—to build and deploy applications quickly without much prior coding knowledge. The integration of AI in this process redefines how applications are developed, presenting possibilities for a broader audience.

The Shift in Software Development Roles

Eric discusses the changing landscape of tech roles in the age of AI. He argues that Product Managers (PMs) could be in a better position than engineers, as they bridge user needs with technical capabilities. As tools like Bolt empower PMs to create features directly, the traditional dependency on developers for every aspect of production may wane, leading to a shift in organizational structure where product and design teams take a more prominent role in driving development.

Lessons from the Journey: Scrappiness and Resilience

Eric shares his personal story, revealing how scrappiness fueled his innovation journey. He recounts the early days of StackBlitz, including a period of squatting at AOL’s headquarters due to financial constraints. This experience taught him invaluable lessons about survival and tenacity in entrepreneurship, which ultimately contributed to the resilience and success of Bolt. Eric emphasizes that the development of the WebContainer technology, built over seven years, was crucial to Bolt's eventual success, reiterating that significant breakthroughs often take time.

Future of AI in Development

Looking ahead, Eric speculates on the evolving relationship between AI and software development. He highlights how Anthropic's advancements (specifically their 3.5 Sonnet model) changed the game for generative code, making it viable for production use. This evolution will not only enhance current coding practices but also reshape the future of product design and engineering roles as AI tools become more integrated into the day-to-day processes.

Show notes

Eric Simons is the founder and CEO of StackBlitz, the company behind Bolt—the #1 web-based AI coding agent and one of the fastest-growing products in history. After nearly shutting down, StackBlitz launched Bolt on Twitter and exploded from zero to $40 million ARR and 1 million monthly active users in about five months.

What you’ll learn:

1. How Bolt reached nearly $40M ARR and 3 million registered users in just five months with a team of only 15 to 20 people

2. How Bolt leverages WebContainer technology—a browser-based operating system developed over seven years—to create a dramatically faster, more reliable AI coding experience than competitors

3. Why Anthropic’s 3.5 Sonnet model was the critical breakthrough that made AI-generated code production-ready and unlocked the entire text-to-app market

4. Why PMs may be better positioned than engineers in the AI era

5. How AI will dramatically reshape company org charts

6. Eric’s wild founder story (including squatting at AOL’s HQ) and how scrappiness fueled his innovation

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Find the transcript at: https://www.lennysnewsletter.com/p/inside-bolt-eric-simons

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Where to find Eric Simons:

• X: https://x.com/ericsimons40

• LinkedIn: https://www.linkedin.com/in/eric-simons-a464a664/

• Email: Eric@stackblitz.com

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Where to find Lenny:

• Newsletter: https://www.lennysnewsletter.com

• X: https://twitter.com/lennysan

• LinkedIn: https://www.linkedin.com/in/lennyrachitsky/

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In this episode, we cover:

(00:00) Introduction to Eric Simons and StackBlitz

(04:46) Unprecedented growth and user adoption

(10:40) Demo: Building a Spotify clone with Bolt

(15:28) Expanding to native mobile apps with Expo

(19:09) The journey and technology behind WebContainer

(25:03) Lessons learned and future outlook

(29:15) Post-launch analysis

(34:15) Growing fast with a small team

(41:00) Prioritization at Bolt

(45:51) Tooling and PRD's

(48:42) Integration and use cases of Bolt

(52:24) Limitations of Bolt

(54:24) The role of PMs and developers in the AI era

(59:56) Skills for the future

(01:14:18) Upcoming features of Bolt

(01:20:17) How to get the most out of Bolt

(01:23:00) Eric’s journey and final thoughts

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Referenced:

• Bolt: https://bolt.new/

• Cursor: https://www.cursor.com/

• Wix: https://www.wix.com/

• Squarespace: https://www.squarespace.com/

• Dylan Field on LinkedIn: https://www.linkedin.com/in/dylanfield/

• Evan Wallace’s website: https://madebyevan.com/

• WebGL: https://en.wikipedia.org/wiki/WebGL

• WebAssembly: https://webassembly.org/

• CloudNine: https://cloudnine.com/

• Canva: https://www.canva.com/

• StackBlitz: https://stackblitz.com/

• Lessons from 1,000+ YC startups: Resilience, tar pit ideas, pivoting, more | Dalton Caldwell (Y Combinator, Managing Director): https://www.lennysnewsletter.com/p/lessons-from-1000-yc-startups

• Y Combinator: https://www.ycombinator.com/

• Anthropic: https://www.anthropic.com/

• Dario Amodei on LinkedIn: https://www.linkedin.com/in/dario-amodei-3934934/

• Linear: https://linear.app/

• Notion: https://www.notion.com/

• Salesforce: https://www.salesforce.com/

• Atlassian: https://www.atlassian.com/

• Photoshop: https://www.adobe.com/products/photoshop/

• Figma: https://www.figma.com/

• Greenfield projects: https://en.wikipedia.org/wiki/Greenfield_project

• Gartner: https://www.gartner.com/

• OpenAI researcher on why soft skills are the future of work | Karina Nguyen (Research at OpenAI, ex-Anthropic): https://www.lennysnewsletter.com/p/why-soft-skills-are-the-future-of-work-karina-nguyen

• Albert Pai on LinkedIn: https://www.linkedin.com/in/albertpai/

• Bolt’s post on X about “Bolt Builders”: https://x.com/boltdotnew/status/1887546089294995943

• Sonnet: https://www.anthropic.com/claude/sonnet

• ChatGPT: https://chatgpt.com/

• Breaking the Rules: The Young Entrepreneur Who Squatted at AOL: https://www.inc.com/john-mcdermott/eric-simons-interview-young-entrepreneur-squatted-at-aol.html

• Imagine K12: http://www.imaginek12.com/

• Geoff Ralston on LinkedIn: https://www.linkedin.com/in/geoffralston/

• AOL: https://www.aol.com/

• Bolt on X: https://x.com/boltdotnew

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Lenny may be an investor in the companies discussed.

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Inside Bolt: From near-death to ~$40m ARR in 5 months—one of the fastest-growing products in history | Eric Simons (founder and CEO of StackBlitz)