All Services Programming & Development Payment Testing $20/hr · Starting at $500 Testing using different processors for payments . Performing certification testing with different credit card companies.Testing Rest API using SOAP UI, Postman and Swagger. About $20/hr · Ongoing Download Resume Testing using different processors for payments . Performing certification testing with different credit card companies.Testing Rest API using SOAP UI, Postman and Swagger. Skills & Expertise Certification TestingCredit Card Transaction ProcessingPayment Gateway IntegrationREST APISoapUISoftware Testing 0 Reviews This Freelancer has not received any feedback. Browse Similar Freelance Experts Software TestersQuality Assurance (QA) TestersMobile Testing ServicesPoint of Sale Solutions (POS) ExpertsAutomation Software TestingMobile Device ManagersSoapUI Testing Tool ExpertsXcode DevelopersMySQL DevelopersSales ExpertsiOS App DevelopersCredit Card Transaction ProcessorsWeb Application DevelopersData ManagersREST API ExpertsUsability Testing ServicesRegression Testing ExpertsSecurity Testing ServicesManagement ExpertsDesktop Applications DevelopersiPhone App DevelopersRetail Sales ConsultantsStorage EngineersBulk Mailings and Lists Services