Over 13+ years of experience in analysis, design, development and maintenance of software application in Object Oriented Programming using Java, J2EE, and UNIX with 10+ years of experience in Payment/Retail domain.Strong experience with Micro services development using Rest. Quick learner of tools, techniques and technologies.Adapt in server side development skills using Apache and good knowledge of database connectivity (Data Source) for databases like Oracle, MySQL, and NoSQL like Cassandra DB.Extensive experience in analyzing systems requirement and integrating NFC payments like APPLE PAY, CONTACTLESS, Chip & Pin Card payment using Java/REST keeping in mind EMV standards.Good knowledge of Public Key Infrastructure (PKI) and authentication protocols and encryption algorithms and key management techniques for Data Security like 3DES, DUKPT, Master/Session Key, RSA, MACing, TLS.Testing Firmware for Payment Devices(accepting NFC payments also) , filling BUG report and following up with third parties like Ingenico until they are fixed.Writing and automating test cases for testing of code and payment devices including load/stress testing using Java.Leading and Managing the tender team in various payment projects with my 10 years of experience in Payment domain.Thorough understanding of EMV tags, specifications, standards like ISO 8583, PCI/DSS compliance, APDU, GlobalPlatform Technology and ISO 14443Working Experience with Maven, Splunk, GIT, Jenkins and SVN.Working knowledge of both MacOS and Windows.