“…Comparing Agile methodologies (Tkachenko & Sivokoz, 2017;Sazonov, Ezangina, Vaysbeyn, Gorshkova, & Makarova, 2016;Sivokoz, 2016) and Waterfall methodology (Blagov, 2010;Freeman, 1984;Mazur, Shapiro, Olderogge, & Polkovnikov, 2004) of project management, it can be argued that each of them has its own advantages and disadvantages. While using the Agile methodology allows developing new functions at a higher speed, each change requires a certain amount of time to correct https: //doi.org/10.15405/epsbs.2019.12.05.107 Corresponding Author: O. D. Pritula Selection and peer-review under Judging from the point of view of the client, the ongoing development process using the Agile methodology leads to continuous improvement of the existing product.…”