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Jonas Falkner
@appdesigntester
Level 1
Building, Designing and Testing Reliable Web, SaaS And Mobile Applications
Germany
German, English, Spanish, Dutch
About me
I’m Jonas Falkner, a developer, UI/UX designer, and QA tester based in Germany. I build and improve websites, SaaS platforms, web and mobile apps using modern technologies like React, Next.js, Flutter, and React Native. I also design clean Figma interfaces and test digital products for bugs, usability, functionality, and real-world user issues. I enjoy turning ideas into practical products that look good, work smoothly, and are ready for real users. Whether you need development, design, or testing support, I’m here to help bring your project to life. Let’s discuss your project today.
Skills
Jonas Falkner
Offline •
Average response time: 1 hour
See my services
User Testing
I will provide 12 testers for google play console closed testing app publish
User Testing
I will provide 12 testers for android app testing google play console closed testing
10 Reviews
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1-5 out of 10 Reviews
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pepe777
Austria
Ongoing collaboration
⭐⭐⭐⭐⭐ Sehr zufrieden! Freundlicher Kontakt, alles bestens geklappt. Gerne wieder!
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pepe777
Austria
Ongoing collaboration
Helpful?
vadbe2l2
Israel
Helpful?
furkan8109
Austria
Helpful?
dossijeo
Spain
Jonas did an excellent job. He paid close attention to every detail and closely monitored the testing progress, provided valuable feedback, was polite and respectful throughout, and responded promptly.
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