Sergey Kovalenko

Sergey Kovalenko is an experienced software developer specializing in Java, with a professional background that includes a current role as a freelance developer since January 2017. Prior to self-employment, Sergey served as a Senior Java Developer at Деловые линии and held the same title at Exigen Services from 2010 to 2012. Sergey holds an Engineer's degree in Information Technology from Saint Petersburg State University, obtained between 1997 and 2002.