👋🏻 Hi, I am Cem!

I am Cem Kiray, a software engineer, currently working at Bakers Studio as the leader of the web team. I mostly write about app development (React Native, Expo, App Store, Astro) and web technologies (JavaScript, React).

Featured

• How to Add JSON-LD Schema for Better SEO in Astro

  Updated:Jan 12, 2026 |  at 06:35 PM

  Learn how to add JSON-LD schema to your website with Astro pages for better SEO. JSON-LD helps search engines understand your content and improve search rankings.

• Fix: "You can't rollout this release because it doesn't allow any existing users to upgrade" Error

  Published:Jan 12, 2026 |  at 07:45 AM

  Learn how to fix the "You can't rollout this release because it doesn't allow any existing users to upgrade" error in Google Play Console.

• How to Fix Apple Developer Program "Unknown Error Occurred"

  Updated:Jan 7, 2026 |  at 07:00 AM

  Learn how to fix the "We are unable to process your request. An unknown error occurred" error when enrolling in Apple Developer Program

• How to fix "The OS Watchdog Terminated Your App" Error?

  Published:Dec 17, 2025 |  at 05:30 PM

  Learn why "OS watchdog terminated your app" error happens in React Native (iOS) apps. Understand what is "watchdog timeout", why it occurs in apps...

Recent Posts

• How to import SVG in React Native [2026 Update]

  Updated:Jan 20, 2026 |  at 06:30 AM

  Learn how to import and use SVG images in React Native Expo components. We will use react-native-svg package to easily import SVG in React Native projects. [2026 Update]

• 'Final reminder: Answer the updated age ratings questions.'?

  Published:Dec 12, 2025 |  at 09:10 AM

  Got the "Final reminder: Answer the updated age ratings questions." email and then App Store Connect started showing "An error has occurred. Try again later"? Here's what and why of it...

• why not bicing station finder - now LIVE!

  Published:Apr 10, 2025 |  at 09:15 AM

  Discover why not bicing, a fast and user-friendly Bicing Barcelona station finder app. Search and filter bikes in barcelona! bicing cerca de mi...

• Vite env values returning undefined [SOLVED]

  Published:Feb 8, 2025 |  at 10:35 AM

  Fix env variables returning undefined in Vite using import.meta.env and proper .env file setup