charles john

@charlesjohn89

app testing

Nigeria

English, German, Spanish

About me

I am a detail-oriented Mobile App Tester and QA Specialist providing professional testing for Android, iOS, and Web applications. I identify bugs, crashes, UI/UX issues, and performance problems before launch. You will receive clear, structured bug reports with screenshots, screen recordings, and step-by-step reproduction details. I specialize in manual testing, functional testing, usability testing, and beta testing. My goal is to improve your app quality, user experience, and overall performance for a successful launch. Let’s make your app smooth and reliable. 🚀... Read more

Skills