Behind the product: Replit | Amjad Masad (co-founder and CEO)

Hosted byLenny Rachitsky

Amjad Masad is the co-founder and CEO of Replit, a browser-based coding environment that allows anyone to write and deploy code. Replit has 34 million users globally and is one of the fastest-growing developer communities in the world. Prior to Replit, Amjad worked at Facebook, where he led the JavaScript infrastructure team and contributed to popular open-source developer tools. Additionally, he played a key role as a founding engineer at the online coding school Codecademy. In our conversation, Amjad shares:

• A live demo of Replit in action
• How Replit’s AI agent can build full-stack web applications from a simple text prompt
• The implications of AI-powered development for product managers, designers, and engineers
• How this might reshape companies and careers
• Why being “generative” will become an increasingly valuable skill
• “Amjad’s law” and how learning to debug AI-generated code is becoming ever more valuable
• Much more

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Find the transcript at: https://www.lennysnewsletter.com/p/behind-the-product-replit-amjad-masad
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Where to find Amjad Masad:

• X: https://x.com/amasad
• LinkedIn: https://www.linkedin.com/in/amjadmasad/
• Website: https://amasad.me/

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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 Amjad Masad and Replit
(02:41) The vision and challenges of Replit
(06:50) Replit’s growth and user stories
(10:49) Demo of Replit’s capabilities
(16:51) Building and iterating with Replit
(25:04) Real-world applications and use cases
(30:13) The technology stack
(33:48) The evolution of Replit and its capabilities
(39:36) The future of AI in software development
(44:04) Skills for the future: generative thinking and coding
(47:26) Amjad’s law
(50:36) Replit’s new developments and future plans
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Referenced:

• Replit: https://replit.com/
• Cursor: https://www.cursor.com
• Aman Mathur on LinkedIn: https://www.linkedin.com/in/aman-mathur/
• Node: https://nodejs.org/en
• Claude: https://claude.ai/
• Salesforce: https://www.salesforce.com/
• Wasm: https://webassembly.org/
• Figma: https://www.figma.com/
• Codecademy: https://www.codecademy.com/
• Hacker News: https://news.ycombinator.com/news
• Paul Graham’s website: https://www.paulgraham.com/
• Jevons paradox: https://en.wikipedia.org/wiki/Jevons_paradox
• Anthropic: https://www.anthropic.com/
• Open AI: https://openai.com/
• Amjad’s tweet about “society of models”: https://x.com/amasad/status/1568941103709290496
• About HCI: https://www.designdisciplin.com/p/hci-profession
• Taylor Swift’s website: https://www.taylorswift.com/
• Andrew Wilkinson on LinkedIn: https://www.linkedin.com/in/awilkinson/
• Haya Odeh on LinkedIn: https://www.linkedin.com/in/haya-odeh-b0725928/
• Amjad’s law: https://x.com/snowmaker/status/1847377464705896544
• Ray Kurzweil’s website: https://www.thekurzweillibrary.com/
• God of the gaps: https://en.wikipedia.org/wiki/God_of_the_gaps

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Production and marketing by https://penname.co/. For inquiries about sponsoring the podcast, email podcast@lennyrachitsky.com.
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Lenny may be an investor in the companies discussed.

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