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Callstack Engineers

@callstackio • 17,194 subscribers

Mobile AI Lab. We train specialized models & build tools for agentic mobile development: @apex__ai + @agent_device. Hosting @AgentConf. React Native experts.

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There is no shortage of AI advice right now. But even AI agents need to get reliable data from somewhere, which is not always available in training data. That’s why we’re updating our guide to React Native performance optimization ⬇️

There is no shortage of AI advice right now. But even AI agents need to get reliable data from somewhere, which is not always available in training data. That’s why we’re updating our guide to React Native performance optimization ⬇️

Callstack Engineers

17,270,665 views • 4 months ago

What's the difference between code that looks right and code you can trust? Michał Pierzchała talks to Zack about testing, QA, code review. 🎧 Tune in.

What's the difference between code that looks right and code you can trust? Michał Pierzchała talks to Zack about testing, QA, code review. 🎧 Tune in.

Callstack Engineers

9,937,129 views • 5 months ago

Building a React Native app for Android from default template? Then chances are you're also shipping: 🔍 unused code 🐛 debug artifacts 📦 code that’s bigger than necessary In Episode 3 of React Native Optimization in Practice, Michał Pierzchała shows how to fix it with R8.

Building a React Native app for Android from default template? Then chances are you're also shipping: 🔍 unused code 🐛 debug artifacts 📦 code that’s bigger than necessary In Episode 3 of React Native Optimization in Practice, Michał Pierzchała shows how to fix it with R8.

Callstack Engineers

1,316,058 views • 1 year ago

Announcing Apex: agentic coding model for mobile and web, specialized in React. We built Apex from a single idea: can an open-weight model deliver frontier-level performance at lower cost? Yes. Apex is SOTA in React Native and Next.js. Try it now:

Announcing Apex: agentic coding model for mobile and web, specialized in React. We built Apex from a single idea: can an open-weight model deliver frontier-level performance at lower cost? Yes. Apex is SOTA in React Native and Next.js. Try it now:

Callstack Engineers

51,192 views • 28 days ago

When the way software is built changes, we help companies adopt it. For over a decade, that meant bringing React Native to production across mobile, web, desktop, and TV. Now we are expanding that same mission to AI-native engineering: helping teams ship software with agents, safely and at scale. This is our new manifesto.

When the way software is built changes, we help companies adopt it. For over a decade, that meant bringing React Native to production across mobile, web, desktop, and TV. Now we are expanding that same mission to AI-native engineering: helping teams ship software with agents, safely and at scale. This is our new manifesto.

Callstack Engineers

24,865 views • 5 months ago

You probably do not have time to read a 200-page guide cover to cover. So start in the right place. ➡️ Regular dev: profiling + memory leaks ➡️ Senior engineer: TTI + native architecture + bundling ➡️ Tech lead: use those chapters to prioritize Download link below ⬇️

You probably do not have time to read a 200-page guide cover to cover. So start in the right place. ➡️ Regular dev: profiling + memory leaks ➡️ Senior engineer: TTI + native architecture + bundling ➡️ Tech lead: use those chapters to prioritize Download link below ⬇️

Callstack Engineers

12,234 views • 3 months ago

Introducing Agent React DevTools. AI agents can now inspect React apps beyond the UI: → Component tree and state → Renders and performance → Structured output for debugging Works with React and React Native. Learn more ⬇️

Introducing Agent React DevTools. AI agents can now inspect React apps beyond the UI: → Component tree and state → Renders and performance → Structured output for debugging Works with React and React Native. Learn more ⬇️

Callstack Engineers

18,242 views • 6 months ago

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