roger adroid@developer4droidStaff software EngineerFollow BadgesProblem SolvingJavaDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencedeveloper4droid has not updated employment details yet.EducationTomsk Polytechnic UniversityLinksdeveloper4droid has not updated links details yet. Skillsdeveloper4droid has not updated skills details yet.