👋🏻 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).

👨🏻‍💻 See my work here.

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.

• 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

Recent Posts

• How to Get 12 Google Play Testers for Closed Testing 14 Days

  Published:Jun 25, 2026 |  at 07:00 AM

  Learn how I got 12 Google Play testers for 14-day closed testing completely free and unlocked Production access without paid tester services.

• How to fix Push Notifications on Android React Native (2026)

  Published:Jan 27, 2026 |  at 07:00 AM

  Fix "Invalid Google Project Number" error and push notifications on Expo React Native Android apps. Learn why OneSignal notifications not working on Android?

• 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]

• 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.