I develop commercially released engineering and business process applications for Windows as part of a distributed development team. Microsoft Visual Studio, Native C++, C#, MS SQL Server.
I started using FORTRAN and C professionally in the late 1970's, C++ and SQL in the mid-1980's. I'm continuously trying to integrate my old experience with newer technology so I stay current and relevant as a professional developer.
I'm still at the hobby level with Linux and web development, but looking to add those to my professional toolbox in the future.