Mark Halonen@halonen_markFollow BadgesProblem SolvingSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillWork Experiencehalonen_mark has not updated employment details yet.Educationhalonen_mark has not updated education details yet.LinksLinkedinhttps://www.linkedin.com/in/mark-halonen-31a923b3Githubhttps://github.com/markhalonenPortfoliomarkhalo.me Skillshalonen_mark has not updated skills details yet.