Android, Application Programming Interface (API), Applications Security, Authentication, Best Practices, Code Reviews, Coding Standards, Continuous Deployment/Delivery, Continuous Integration, Cryptography, Google Maps, Identify Issues, Kotlin, Maintain Compliance, Mentoring, Model View ViewModel (MVVM), PCI, Production Management, Production Support, REST (Representational State Transfer), Regulatory Compliance, Retrofit, Root Cause Analysis, Technical Leadership, Test Automation, User Experience Design (UXD)