Oleksii Kostenko

Oleksii Kostenko is a seasoned PHP Developer with extensive experience in both freelance and corporate environments. Since April 2018, Oleksii has contributed to Yellow Stone, focusing on new feature development and working with various APIs. Prior experience includes a role at i-Media, where responsibilities encompassed feature development and legacy code refactoring, and work with UkrTechInfo, which involved supporting high-load projects and mentoring new developers. As a freelancer, Oleksii developed functional products from scratch using Yii-framework and Codeigniter, and managed project specifications and customer negotiations. Oleksii holds a Master's degree in Software Engineering from Kharkiv National University of Radioelectronics, earned between 2006 and 2012.