Maarten Laene@maarten_laeneMaartenNetherlandsFollowAboutCurrentLoodgieter.nlMore about meI wish HackerRank had PHP certificates. BadgesProblem SolvingSql CertificationsCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: JavaScript (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillCertificate: SQL (Advanced)VerifiedskillCertificate: Go (Basic)VerifiedskillCertificate: Go (Intermediate)VerifiedskillWork ExperienceChief Technology OfficerLoodgieter.nl• January 2012 - PresentEducationmaarten_laene has not updated education details yet.