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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 people2. 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 competitors3. 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 market4. Why PMs may be better positioned than engineers in the AI era5. How AI will dramatically reshape company org charts6. Eric's wild founder story (including squatting at AOL's HQ) and how scrappiness fueled his innovation—Brought to you by:• Eppo—Run reliable, impactful experiments• Fundrise Flagship Fund—Invest in $1.1 billion of real estate• OneSchema—Import CSV data 10x faster—Find the transcript at: https://www.lennysnewsletter.com/p/inside-bolt-eric-simons—Where to find Eric Simons:• X: https://x.com/ericsimons40• LinkedIn: https://www.linkedin.com/in/eric-simons-a464a664/• Email: Eric@stackblitz.com—Where to find Lenny:• Newsletter: https://www.lennysnewsletter.com• X: https://twitter.com/lennysan• LinkedIn: https://www.linkedin.com/in/lennyrachitsky/—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—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—Production and marketing by https://penname.co/. For inquiries about sponsoring the podcast, email podcast@lennyrachitsky.com.—Lenny may be an investor in the companies discussed. Get full access to Lenny's Newsletter at www.lennysnewsletter.com/subscribe
Sponsors Sentry use the code “devchat” for 2 months free on Sentry small plan Triplebyte offers a $1000 signing bonus CacheFly Host: Charles Max Wood Joined By Special Guests: Eric Simons, Albert Pai and Tomek Sulkowski Episode Summary Do you want to send your code to space? Find out how with Charles Max Wood, Eric Simons, Albert Pai and Tomek Sulkowski coming to you live from the podcast booth at ng-conf 2019. They talk about new happenings at StackBlitz (in astronaut suits!) and how you can send your apps and websites to space! Eric and Albert talk about how they met and decided to co-found companies like Thinkster and StackBlitz together. Thinkster has been since acquired by Joe Eames whom they have met at a podcast at Devchat.tv. Listen to the show to hear more about their upcoming projects at StackBlitz as well as their favorite parts of ng-conf and how they spend their time when they aren't busy with StackBlitz. Links ng-conf 2019
Sponsors Sentry use the code “devchat” for 2 months free on Sentry small plan Triplebyte offers a $1000 signing bonus CacheFly Host: Charles Max Wood Joined By Special Guests: Eric Simons, Albert Pai and Tomek Sulkowski Episode Summary Do you want to send your code to space? Find out how with Charles Max Wood, Eric Simons, Albert Pai and Tomek Sulkowski coming to you live from the podcast booth at ng-conf 2019. They talk about new happenings at StackBlitz (in astronaut suits!) and how you can send your apps and websites to space! Eric and Albert talk about how they met and decided to co-found companies like Thinkster and StackBlitz together. Thinkster has been since acquired by Joe Eames whom they have met at a podcast at Devchat.tv. Listen to the show to hear more about their upcoming projects at StackBlitz as well as their favorite parts of ng-conf and how they spend their time when they aren't busy with StackBlitz. Links ng-conf 2019
Sponsors Sentry use the code “devchat” for 2 months free on Sentry small plan Triplebyte offers a $1000 signing bonus CacheFly Host: Charles Max Wood Joined By Special Guests: Eric Simons, Albert Pai and Tomek Sulkowski Episode Summary Do you want to send your code to space? Find out how with Charles Max Wood, Eric Simons, Albert Pai and Tomek Sulkowski coming to you live from the podcast booth at ng-conf 2019. They talk about new happenings at StackBlitz (in astronaut suits!) and how you can send your apps and websites to space! Eric and Albert talk about how they met and decided to co-found companies like Thinkster and StackBlitz together. Thinkster has been since acquired by Joe Eames whom they have met at a podcast at Devchat.tv. Listen to the show to hear more about their upcoming projects at StackBlitz as well as their favorite parts of ng-conf and how they spend their time when they aren't busy with StackBlitz. Links ng-conf 2019
Panel: Joe Eames Alyssa Nicoll Ward Bell Special Guests: Eric Simons and Albert Pai In the episode of Adventures in Angular, the panel discusses StackBlitz with Eric Simons and Albert Pai. the co-founders of thinkster.io, where their company javascript technology’s various frameworks and backend. Also, with the recent creation of Stalkblitz, which is the main topic of today discussion. Stackblitz it an online VS Code IDE for Angular, React, Ionic, and a few more other technologies are supported. This is designed to run web pack and vs code inside your browser at blazing fast speeds. Eric and Albert dive into the many different advantages and services available by StackBlitz and thinker.io. In particular, we dive pretty deep on: •Programming at 10-13 years old Created thinkerster.io together What is Stalkblitz? Local dev environments Six months of work into making Stackblitz online What is the business model? Are you using Monaco? VS Code Dark Plus Concept and possibilities of building Stalkblitz NPM and IDE sides Low amount of resources? Written in vanilla Javascript Speed and increasing performance How did you do the NPM stuff? Yarn and NPM Binaries Dependency managers 5X speed increase The need for the CLI Schools using Stackblitz to teach JavaScript Speed, running offline Custom API for Angular Turbo Firebase Azure - Deploy? Features? VS Docs VS Code •and much more! Links: thinkster.io https://medium.com/@ericsimons/stackblitz-online-vs-code-ide-for-angular-react-7d09348497f4 @stackblitz stackblitz.com Picks: Joe Something Rotten Dollars and Cents Alyssa NG Atlanta The Greatest Showman Ward No Pick Eric and Albert realworld.io thinkster.io
Panel: Joe Eames Alyssa Nicoll Ward Bell Special Guests: Eric Simons and Albert Pai In the episode of Adventures in Angular, the panel discusses StackBlitz with Eric Simons and Albert Pai. the co-founders of thinkster.io, where their company javascript technology’s various frameworks and backend. Also, with the recent creation of Stalkblitz, which is the main topic of today discussion. Stackblitz it an online VS Code IDE for Angular, React, Ionic, and a few more other technologies are supported. This is designed to run web pack and vs code inside your browser at blazing fast speeds. Eric and Albert dive into the many different advantages and services available by StackBlitz and thinker.io. In particular, we dive pretty deep on: •Programming at 10-13 years old Created thinkerster.io together What is Stalkblitz? Local dev environments Six months of work into making Stackblitz online What is the business model? Are you using Monaco? VS Code Dark Plus Concept and possibilities of building Stalkblitz NPM and IDE sides Low amount of resources? Written in vanilla Javascript Speed and increasing performance How did you do the NPM stuff? Yarn and NPM Binaries Dependency managers 5X speed increase The need for the CLI Schools using Stackblitz to teach JavaScript Speed, running offline Custom API for Angular Turbo Firebase Azure - Deploy? Features? VS Docs VS Code •and much more! Links: thinkster.io https://medium.com/@ericsimons/stackblitz-online-vs-code-ide-for-angular-react-7d09348497f4 @stackblitz stackblitz.com Picks: Joe Something Rotten Dollars and Cents Alyssa NG Atlanta The Greatest Showman Ward No Pick Eric and Albert realworld.io thinkster.io
Panel: Joe Eames Alyssa Nicoll Ward Bell Special Guests: Eric Simons and Albert Pai In the episode of Adventures in Angular, the panel discusses StackBlitz with Eric Simons and Albert Pai. the co-founders of thinkster.io, where their company javascript technology’s various frameworks and backend. Also, with the recent creation of Stalkblitz, which is the main topic of today discussion. Stackblitz it an online VS Code IDE for Angular, React, Ionic, and a few more other technologies are supported. This is designed to run web pack and vs code inside your browser at blazing fast speeds. Eric and Albert dive into the many different advantages and services available by StackBlitz and thinker.io. In particular, we dive pretty deep on: •Programming at 10-13 years old Created thinkerster.io together What is Stalkblitz? Local dev environments Six months of work into making Stackblitz online What is the business model? Are you using Monaco? VS Code Dark Plus Concept and possibilities of building Stalkblitz NPM and IDE sides Low amount of resources? Written in vanilla Javascript Speed and increasing performance How did you do the NPM stuff? Yarn and NPM Binaries Dependency managers 5X speed increase The need for the CLI Schools using Stackblitz to teach JavaScript Speed, running offline Custom API for Angular Turbo Firebase Azure - Deploy? Features? VS Docs VS Code •and much more! Links: thinkster.io https://medium.com/@ericsimons/stackblitz-online-vs-code-ide-for-angular-react-7d09348497f4 @stackblitz stackblitz.com Picks: Joe Something Rotten Dollars and Cents Alyssa NG Atlanta The Greatest Showman Ward No Pick Eric and Albert realworld.io thinkster.io
Panel: Joe Amy Charles Special Guests: Eric Simmons Albert Pai In this episode, JavaScript Jabbers talk to Eric Simmons and Albert Pai, the co-founder of thinkster.io, where their team teaches the bleeding edge of javascript technology’s various frameworks and backend. Also, with the recent creation of Stalkblitz, which is the center topic of today discussion. Stackblitz it an online VS Code IDE for Angular, React, and a few more others are supported. This is designed to run web pack and vs code inside your browser at blazing fast speeds. Eric and Albert dive into the many different advantages and services available by StackBlitz and thinker.io. In particular, we dive pretty deep on: Similarities and differences to Heroku System JS Stacklets Testing and creating an in-browser system file system Creating a type of VS Code experience, Working Off Line Updating of the Stacklets Deployment tools or exporting Hot Reloading Integrated terminals Monaco Language Services How do you architect this implementation The innovation of browsers Guy Bedford Financing vs. Chipotle Burritos Will this product in the future cost money Links thinkster.io https://medium.com/@ericsimons/stackblitz-online-vs-code-ide-for-angular-react-7d09348497f4 @stackblitz stackblitz.com Picks Amy Promises Series by Andrew Del Prete Crossfit Joe Wholesome Meme Sara Cooper Charles Pivotal Tracker MatterMost asana.com Zapier Eric realworld.io David East Albert thinkster.io Thing Explainer
Panel: Joe Amy Charles Special Guests: Eric Simmons Albert Pai In this episode, JavaScript Jabbers talk to Eric Simmons and Albert Pai, the co-founder of thinkster.io, where their team teaches the bleeding edge of javascript technology’s various frameworks and backend. Also, with the recent creation of Stalkblitz, which is the center topic of today discussion. Stackblitz it an online VS Code IDE for Angular, React, and a few more others are supported. This is designed to run web pack and vs code inside your browser at blazing fast speeds. Eric and Albert dive into the many different advantages and services available by StackBlitz and thinker.io. In particular, we dive pretty deep on: Similarities and differences to Heroku System JS Stacklets Testing and creating an in-browser system file system Creating a type of VS Code experience, Working Off Line Updating of the Stacklets Deployment tools or exporting Hot Reloading Integrated terminals Monaco Language Services How do you architect this implementation The innovation of browsers Guy Bedford Financing vs. Chipotle Burritos Will this product in the future cost money Links thinkster.io https://medium.com/@ericsimons/stackblitz-online-vs-code-ide-for-angular-react-7d09348497f4 @stackblitz stackblitz.com Picks Amy Promises Series by Andrew Del Prete Crossfit Joe Wholesome Meme Sara Cooper Charles Pivotal Tracker MatterMost asana.com Zapier Eric realworld.io David East Albert thinkster.io Thing Explainer
Panel: Joe Amy Charles Special Guests: Eric Simmons Albert Pai In this episode, JavaScript Jabbers talk to Eric Simmons and Albert Pai, the co-founder of thinkster.io, where their team teaches the bleeding edge of javascript technology’s various frameworks and backend. Also, with the recent creation of Stalkblitz, which is the center topic of today discussion. Stackblitz it an online VS Code IDE for Angular, React, and a few more others are supported. This is designed to run web pack and vs code inside your browser at blazing fast speeds. Eric and Albert dive into the many different advantages and services available by StackBlitz and thinker.io. In particular, we dive pretty deep on: Similarities and differences to Heroku System JS Stacklets Testing and creating an in-browser system file system Creating a type of VS Code experience, Working Off Line Updating of the Stacklets Deployment tools or exporting Hot Reloading Integrated terminals Monaco Language Services How do you architect this implementation The innovation of browsers Guy Bedford Financing vs. Chipotle Burritos Will this product in the future cost money Links thinkster.io https://medium.com/@ericsimons/stackblitz-online-vs-code-ide-for-angular-react-7d09348497f4 @stackblitz stackblitz.com Picks Amy Promises Series by Andrew Del Prete Crossfit Joe Wholesome Meme Sara Cooper Charles Pivotal Tracker MatterMost asana.com Zapier Eric realworld.io David East Albert thinkster.io Thing Explainer