Rafał Żelazko@rzelazkoFollow BadgesProblem SolvingJavaDays of Code CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencerzelazko has not updated employment details yet.Educationrzelazko has not updated education details yet.Linksrzelazko has not updated links details yet. Skillsrzelazko has not updated skills details yet.