Kai Oelfke@k_oelfkeiOS App DeveloperGermanyFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork ExperienceSoftware EngineerFreelancer• May 2011 - PresentiOS App DeveloperEducationFreie Universität BerlinComputer Science, BS• April 2012 - September 2019