Block CTO Dhanji R. Prasanna discusses the disconnect between engineering perfectionism and market success, citing YouTube's triumph over Google Video despite YouTube's initially inferior architecture.
“A lot of engineers think that code quality is important to building a successful product. The two have nothing to do with each other.”
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More from Dhanji R. Prasanna
PredictionNot checkable as stated
Prasanna: AI will make teams rewrite entire apps instead of refactoring
“And I think that you're gonna see instead of us, for example, refactoring a, an app to have a different UI or to evolve into its new version, we're just gonna rewrite that app from scratch.”
Dhanji R. PrasannaOct 26, 2025▶ 35:01How Block is becoming the most AI-native enterprise in the world | Dhanji R. Prasanna
AssertionNot checkable as stated
Block engineers using AI agent Goose report saving 8-10 hours weekly
“But even now we find engineering teams that are very, very AI forward that you're using goose every day are reporting about eight to 10 hours saved per week.”
Dhanji R. PrasannaOct 26, 2025▶ 16:27How Block is becoming the most AI-native enterprise in the world | Dhanji R. Prasanna
PredictionNot checkable as stated
Block expects AI to save 20-25% of manual operational hours company-wide
“And we feel across the whole company, we're probably trending towards 20 to 25% of manual hours saved.”
Dhanji R. PrasannaOct 26, 2025▶ 16:57How Block is becoming the most AI-native enterprise in the world | Dhanji R. Prasanna
Opinion
Prasanna: AI hasn't fundamentally reduced the headcount needed for scale apps
“I don't think that things have Progress far enough that it's really impacted in a fundamental way how you would, how many people you would need to sort of build an app of the scale of cash app, for example.”
Dhanji R. PrasannaOct 26, 2025▶ 44:34How Block is becoming the most AI-native enterprise in the world | Dhanji R. Prasanna
Insight
Deep problem understanding matters far more than AI-native coding skills
“I still think that things that we interviewed for in the past, a critical mindset, the ability to really understand deeply the technical nature of a problem. Is still much more important than whether you're a fully AI native programmer.”
Dhanji R. PrasannaOct 26, 2025▶ 48:21How Block is becoming the most AI-native enterprise in the world | Dhanji R. Prasanna
Insight
AI-enabled internal software creation induces greater software demand, not less
“Although I think that it's a little bit like the analogy of if you build a bigger highway, you'll just get more cars on the road. So I think the fact that everyone's building software means that there's more software to be built, more coordination to happen, a…”
Dhanji R. PrasannaOct 26, 2025▶ 50:49How Block is becoming the most AI-native enterprise in the world | Dhanji R. Prasanna
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