Oleksandr Kostylev

Oleksandr Kostylev is an experienced software engineer and backend tech lead currently working at BetterMe since July 2021, previously holding positions at Turnitin and Unicheck where significant contributions were made as a senior software engineer and team lead. Oleksandr specializes in developing and supporting applications using interpreted scripting languages, optimizing databases, and designing RESTful APIs. Expertise also includes working with distributed applications, messaging systems, and various learning management systems, along with proficiency in access delegation protocols such as OAuth and LTI. Oleksandr holds a Master’s degree in Computer Systems and Networks and a Bachelor’s degree in Computer Engineering from Chernihiv Polytechnic National University.