Developer for long-term collaboration

I need a regular freelancer on a number of different projects, the skills needed from a programming language are; C # .NET, Visual Studio, a little C ++ VS, MS SQL database, My SQL ,PHP and REST API, as well as desirable knowledge of VB.NET
- approximately every day except weekends for 3 hours of work
Note: Please contact me only serious and proven freelancers !
Best Regards !