Hi, I already created YouTube V3 uploader in windows forms application for other customer and works great for multiple accounts. I have 7 years experience in C# and ASP.NET, also certified in these by Microsoft and Freelancer. I am very familiar with YouTube V3, Google Auth 2, Google, Facebook, Twitter and many other APIs, Crated many applications using them. Would like to work with you in this Great opportunity. Message me for more details. Thanks