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) ExpertsMobile Device ManagersSoapUI Testing Tool ExpertsXcode DevelopersAutomation Testing ExpertsMySQL DevelopersSales ExpertsApp DevelopersiOS App DevelopersCredit Card Processing ServicesData ManagersREST API ExpertsUsability Testing ServicesCisco ConsultantsRegression Testing ExpertsSecurity Testing ServicesManagement ExpertsiPhone App DevelopersRetail Sales ConsultantsStorage EngineersDesktop Application Developers