David Mazal
Private message 
Reviews of completed projects 7
19 October 2025
400 USD
.NET WPF
We are completing another stage of the project. Thank you for your cooperation.
15 May 2025
550 USD
.NET WPF
Thank you for the project. Everything went well - clear requirements, always in touch. The project was delayed, so special thanks for your patience.
10 March 2025
385 USD
.NET WPF
Very pleasant collaboration - clear vision of the final result and requirements, always in touch. Quick review and payment. I recommend for collaboration.
1 May 2023
586 USD
The same project
It’s nice to work with David. Constantly in contact and further helps to solve any tasks related to testing. I recommend cooperation!!The !
18 January 2023
45 USD
20 hours
Everything went well.
Collaboration for 10 balls
5 January 2023
90 USD
Integration of libraries into a project
Everything went well. Clear setting of the task - the work has not begun until all the details are found.
Only questions and comments on the substance of the project
28 December 2022
147 USD
Write 2 class libraries on C# .net6 to communicate with clouds
Successful and pleasant cooperation
All Questions and Requests on Essence
Rapid feedback
Accepting tasks without wires and extra "hotels"
| Activity
| Latest published projects |
Budget
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Proposals
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Comments
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Open
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|---|---|---|---|---|---|
.NET WPF
400 USD
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Jun
2025
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.NET WPF
550 USD
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Mar
2025
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.NET WPF
385 USD
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Feb
2025
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.NET WPF
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Jan
2025
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The same project
586 USD
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Feb
2023
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Client-Server Application for Backup
609 USD
|
Feb
2023
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Application of backup
564 USD
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Feb
2023
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Refactoring + implementation of additional functions of the application.
677 USD
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Feb
2023
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Optimization and modification of the source code on C#
248 USD
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Feb
2023
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Adding additions to the existing code
23 USD
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Jan
2023
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