Oleg Koltun is an experienced frontend developer specializing in React, React Native, and Nest.js, currently working at AWTG Ltd since May 2020, where Oleg is responsible for frontend development of a telecommunication service for engineers, focusing on complex data visualization using Google Maps. Previously, Oleg contributed to frontend and backend development of a secure business messaging application at Sharekey, and developed web services and internal systems at Itransition Group, employing various modern JavaScript frameworks. Oleg's early career involved creating web services and online shops at Upline Studio. Oleg holds a Bachelor's degree in Computer Software Engineering from Belarusian State University and a Bachelor's degree in Industrial Engineering from Belarusian National Technical University.