Android App to IOS Conversion

I'm seeking an expert app developer who can take my Android 6.0 Marshmallow application and convert it to run on the iOS 12 operating system. The app's primary function is to facilitate online transactions.

Ideal Skills and Experience:
• Fluent in both Android and iOS coding languages to ensure seamless conversion.
• Familiarity with online transaction app development.
• Experience in troubleshooting and optimising apps across different versions and devices.

Job Responsibilities:
• Convert Android app to run smoothly on iOS 12.
• Retain all original functionalities, focusing on the online transaction feature.
• Test and troubleshoot for any potential issues on iOS devices.