Nikolay Tonchev@nikolaytonchev_1Quality AssuranceBulgariaFollow BadgesProblem SolvingDays of CodeDays of JSSql CertificationsCertificate: C# (Basic)VerifiedskillWork Experiencenikolaytonchev_1 has not updated employment details yet.Educationnikolaytonchev_1 has not updated education details yet.