Arnav Mandal@XypherSoftware Engineer at AmazonIndiaFollowAboutCurrentAmazon.comEducationJadavpur University, Kolkata BadgesProblem SolvingJavaSql CertificationsCertificate: Problem Solving (Basic)VerifiedskillCertificate: Problem Solving (Intermediate)VerifiedskillCertificate: Problem Solving (Advanced)VerifiedskillWork ExperienceXypher has not updated employment details yet.EducationXypher has not updated education details yet.