Marcin Czelej@marcin_l_czelejGermanyFollowAboutCurrentNokiaEducationTechnical University of Wroclaw BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork ExperienceSoftware DeveloperNokia• 2013EducationTechnical University of WroclawElectrical Engineering