Hi,
I have gone through you job requirement. Yes I have experience for developing shipping label for all above carriers UPS, USPS and FedEx (If you want to modify then I will do). I will work on DLL for writing method and you can call it from your ASP pages.
I have over 10 yrs experience in web application development in ASP/ASP.NET/MVC using C# as well as VB.NET with latest .NET Framework 4.5.1 (VS 2003-2013), MS SQL Server, Entity Framework, Design Patterns and Architecture, etc.
Yes I have good english for communication and will be available on Skype or Phone from morning till noon EST. Wherever need to contact Carriers technical people, I will manage.
I will deliver the work as what you are expecting meeting the deadlines.
Please let me know next step for proceeding. Looking forward to hear you back.
Thanks with regards,
Ashutosh