Александр Калнин@akalnin83Fullstack developer at Growapp SolutionsRussian FederationFollow BadgesProblem Solving CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: JavaScript (Basic)VerifiedskillCertificate: C# (Basic)VerifiedskillWork Experienceakalnin83 has not updated employment details yet.Educationakalnin83 has not updated education details yet.