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Oleh Perevertailo has been a RoR & Node.js developer at Sphere Software since April 2016. Before that, they worked as a RoR developer at BinarApps - Ruby on Rails Developers from November 2015 to April 2016. Prior to that, they were a RoR developer at Sphere Software from October 2014 to November 2015.

Oleh Perevertailo obtained a Master's degree in Computer-integrated manufacturing processes and production from the National Technical University "Kharkiv Polytechnic Institute" between 2007 and 2013. Additionally, they have obtained several certifications, including "App Deployment, Debugging, and Performance," "Developing Applications with Google Cloud Platform Specialization," "Essential Cloud Infrastructure: Foundation," "Getting Started With Application Development," "Google Cloud Platform Fundamentals: Core Infrastructure," "Securing and Integrating Components of your Application," "The Complete SQL Bootcamp," "Web Application Architectures," and "Google Cloud Certified Professional Cloud Developer." These certifications were obtained from institutions such as Coursera, Udemy, and Google, with varying completion months and years, ranging from November 2014 to June 2019.