a
appdesigntester

Jonas Falkner

@appdesigntester
4.8(13)

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.... Read more

Skills

a
appdesigntester
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
5.0(9)
From$25 / projectMore details
User Testing
I will provide 12 testers for android app testing google play console closed testing
4.3(3)
From$20 / projectMore details

13 Reviews
4.8

(11)
(2)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    4.9
  • Quality of delivery
    4.9
  • Value of delivery
    4.7
1-5 out of 13 Reviews
Sort By
Most relevant
    P
    image-docs

    pepe777

    AT

    Austria

    Ongoing collaboration
    5

    ⭐⭐⭐⭐⭐ Sehr zufrieden! Freundlicher Kontakt, alles bestens geklappt. Gerne wieder!

    $50-$100

    Price

    2 weeks

    Duration

    gig

    Custom Websites

    Worksample image
    Helpful?
    Yes
    No
    P
    image-docs

    pepe777

    AT

    Austria

    Ongoing collaboration
    5

    Perfekte Arbeit.

    $50-$100

    Price

    11 days

    Duration

    gig

    User Testing

    Worksample image
    Helpful?
    Yes
    No
    U

    user82657811

    DE

    Germany

    5

    Vielen Dank für Ihre Hilfe und Ihre Anweisungen. Wir sind der richtigen Autorisierung wieder einen Schritt näher gekommen und blicken mit großer Freude auf die Zusammenarbeit zurück.

    $50-$100

    Price

    2 weeks

    Duration

    gig

    User Testing

    Helpful?
    Yes
    No
    V

    vadbe2l2

    IL

    Israel

    5

    very good .....

    $50

    Price

    2 weeks

    Duration

    gig

    User Testing

    Helpful?
    Yes
    No
    F

    furkan8109

    AT

    Austria

    5

    Sehr unkomplizierte Zusammenarbeit

    $50-$100

    Price

    11 days

    Duration

    gig

    User Testing

    Helpful?
    Yes
    No