David_Young4 says,

Sergey did excellent work as always.

for C++ DLL creation on Sep 14, 2007

David_Young4 says,

Sergey was exceptionally fast, and the code was high quality. It was exactly what I was looking for. Sergey was also able to recommend which libraries would be best, indicating he has great knowledge of the Microsoft Windows platform.

for VB6 to VC++ 6 conversion task on Jun 27, 2007