Hi ,
I am mechanical engineer with 17 years of experience in oil&gas, process and power plant design engineering services. I am certified as process plant layout design lead engineer and Professional piping design engineer as well . I had training C# from Udemy. I have VBA skills which I can say that I am expert But not in C# yet. As I understood you are going to develop piping design software . I use cadworx Plant , Caesar II and Caepipe as expert . I would like to know more details of you can open a chat session . Hope to hear from you soon .