Jarek Tkaczyk@jarek4Head of EngineeringFollow BadgesProblem SolvingDays of CodeSql CertificationsCertificate: Python (Basic)VerifiedskillCertificate: SQL (Basic)VerifiedskillCertificate: SQL (Intermediate)VerifiedskillCertificate: Rest API (Intermediate)VerifiedskillWork Experiencejarek4 has not updated employment details yet.Educationjarek4 has not updated education details yet.Linksjarek4 has not updated links details yet. Skillsjarek4 has not updated skills details yet.