Radek Czemerys (@radko93) 's Twitter Profile
Radek Czemerys

@radko93

Making apps mostly at @RumiDotAI. React Native and OSS enthusiast. Full time digital nomad.

ID: 142285724

linkhttps://bento.me/radek calendar_today10-05-2010 13:26:11

38,38K Tweet

1,1K Followers

197 Following

Radek Czemerys (@radko93) 's Twitter Profile Photo

New year, new app, new architecture. 🎉 Kicked off 2025 by getting out a new fitness app, and it’s been a hit—10k+ users on day one! 🚀 Thanks to React Native's New Architecture and RevenueCat, building, shipping, and monetizing apps has never been easier. 💪 Big shoutout to

New year, new app, new architecture. 🎉

Kicked off 2025 by getting out a new fitness app, and it’s been a hit—10k+ users on day one! 🚀 Thanks to <a href="/reactnative/">React Native</a>'s New Architecture and <a href="/RevenueCat/">RevenueCat</a>, building, shipping, and monetizing apps has never been easier. 💪

Big shoutout to
Radek Czemerys (@radko93) 's Twitter Profile Photo

Anyone running React Native 0.78 and having Expo as a dependency? I would like to upgrade but running on Expo canary sounds too risky? 🫤

Radek Czemerys (@radko93) 's Twitter Profile Photo

I just sponsored @doublesymmetry. You can join me at: github.com/sponsors/doubl… Thanks for adapting react-native-track-player to new arch!

JFrog (@jfrog) 's Twitter Profile Photo

⚠️ Heads up, React Native devs: We've just disclosed CVE-2025-11953, a critical CVSS 9.8 RCE vulnerability in the React Native CLI. 🚩The risk: An unauthenticated network attacker can get #RCE on your machine via the running dev server. Full technical breakdown & mitigation

⚠️ Heads up, React Native devs: We've just disclosed CVE-2025-11953, a critical CVSS 9.8 RCE vulnerability in the React Native CLI.

🚩The risk: An unauthenticated network attacker can get #RCE on your machine via the running dev server.

Full technical breakdown &amp; mitigation
Radek Czemerys (@radko93) 's Twitter Profile Photo

Best agentic setup with React Native isn’t about insane skills or clever prompts. It’s static enforcement. • Strict lint (stricter than you think) • React Compiler • RNTL from day one • E2E on every PR • Easy local device verification with agent-device LLMs optimize for

Radek Czemerys (@radko93) 's Twitter Profile Photo

Configured agent-device by Callstack Engineers in a recent project to the an app via an agent. iOS: works so well (after usual apple provisioning crap). Android: oh you started a camera and your screen is not 100% idle? No chance. Android will always make it harder for you.

Radek Czemerys (@radko93) 's Twitter Profile Photo

"<1% of review findings are marked incorrect by engineers" if you're using Claude for any proper review you know that's marketing talk. Amount of false flags in those reviews are way more than this