1991-1995 - engineer-programmer of software department of experimental-design water-automatic office 'Vodavtomatika'. Analisys of operating system's codes and sytem programming (Assembler KR580, Macro Assembler). Creating and installating of automatical systems for office management (FoxBASE), creating applications for telemechanical control systems (TurboPascal).

1995-1998 - major engineer-programmer of software department of experimental-design water-automatic office 'Vodavtomatika'. Creating and installating of automatical systems for office management (FoxBASE), creating applications for telemechanical control systems (C++).

From 1998 - major programmer of Alpproject Consortium. Computer-based data processing in geoinformation systems, including applications for 3D modeling and estimation of the reserves (Micromine), creating and supporting complex data bases, creating of special applications (C++), planning of projects.

From 2008 he has certificate (issued by Micromine Pty Ltd.) to train people in use of Micromine Software Products.

From 2014 - director of Alpproject Ltd. Management of computer-based data processing projects.

Other certificates