I will develop an desktop application suited for your needs

J
joelina_wilken
J
joelina_wilken
Joelina W
5.0
5.0
develop an desktop application suited for your needs
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develop an desktop application suited for your needs

About this gig

Need help with a desktop application or want to build one from scratch?


I develop and fix Windows desktop software with clean, efficient, and scalable code.

I can work on existing applications or create new ones based on your requirements, including features, UI improvements, and SQL/database integration.

From bug fixing to full application development, I deliver reliable and structured solutions that actually work and are easy to maintain.


Services include:

  • Bug fixing and error resolution
  • Adding new features or improvements
  • Building small tools or full applications
  • SQL / database integration
  • UI improvements and optimization
  • Code cleanup and restructuring


Technologies

C#, WinForms, WPF, Python, Java, SQL and similar desktop technologies.


Communication & Support

If you have any questions, feel free to contact me anytime through Fiverr messages. After delivery, I also provide support to make sure everything works as expected.

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Performance
    • Design
    • Databases

  • Programming language

    • Assembly
    • C#
    • Java
    • JavaScript
    • PowerShell
    • Python
    • HTML & CSS
    • ASP.NET
    • C&C++
    • VB

  • Frontend framework

    • Bootstrap

  • Backend framework

    • Django

Get to know Joelina W

Joelina W

Junior Software Developer Application Development

5.0(1)
  • FromGermany
  • Member sinceJun 2026
  • Avg. response time6 hours
  • Last delivery1 week

  • Languages

    English, German
I am an Application Developer with experience in C#, Windows Forms, and Microsoft SQL Server. I have developed desktop applications, including database design, programming, testing, debugging, and maintenance. For example I created a fitness tracking app all by myself. I work in a structured and detail-oriented way, learn new technologies quickly, and focus on writing clean, maintainable code to deliver reliable software solutions.
Reviews

1 reviews for this Gig
5.0

(1)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    5
Sort By
Most relevant
  • N
    image-docs

    n0diff4rence

    DE

    Germany

    5

    Meine persönlichen Erfahrungen mit Joelina sind wie es die Bewertung schon sehen lässt, herrausragend. Ich kam mit einer Idee einer League Of Legends Statistik App hier auf Fiverr und fand Joelinas Profil interessant, ihre Pakete waren nicht für dieses Projekt geeignet dennoch hat Sie den Kontakt zu...

    $200-$400

    Price

    8 weeks

    Duration

    Helpful?
    Yes
    No
Reviews

1 reviews for this Gig
5.0

(1)
(0)
(0)
(0)
(0)
Rating Breakdown
  • Seller communication level
    5
  • Quality of delivery
    5
  • Value of delivery
    5
Sort By
Most relevant
  • N
    image-docs

    n0diff4rence

    DE

    Germany

    5

    Meine persönlichen Erfahrungen mit Joelina sind wie es die Bewertung schon sehen lässt, herrausragend. Ich kam mit einer Idee einer League Of Legends Statistik App hier auf Fiverr und fand Joelinas Profil interessant, ihre Pakete waren nicht für dieses Projekt geeignet dennoch hat Sie den Kontakt zu...

    $200-$400

    Price

    8 weeks

    Duration

    Helpful?
    Yes
    No

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