I have more than 15 years expirience of Delphi Developer. I started with Delphi 5 and working with XE11.3 now.
Also I have expirience in WIndows API, Network API, Oracle Database (from 8i to 12c),
SQL, T-SQL, develop multi-threaded application, parse big files without any memory/resource leaks.
Also, I have some experience in C++ and C# programming languages.