about myself

Analysis and development of NT services.
Database design
Integration of services on Oracle, DB2 and Sql Server systems.
Specializations: C#,Delphi, MySQL, PHP, .Net, Java/Kotlin Android, Python (Django)

I have been dealing with the creation and management of integration systems for several years, working on heterogeneous systems. The experience gained in my working years have made me very malleable in learning new systems.
During an interview they asked me what code optimization was. I replied to write as little as possible