Industry: FinTech, B2B Payment Services Technologies: Flutter, Dart, Ruby on Rails, RESTful APIs, NativeScript, CI/CD Automation, Google Maps SDK, iOS/Android Services: Mobile App Modernization, Cross-Platform Development, Backend API Enhancements, DevOps Integration Overview A leading enterprise in the B2B payment services sector—serving fuel management operations in highly regulated environments—engaged Keyhole Software to modernize a legacy mobile application that had become outdated …