Cross Platform ArcGIS App Developer

I need an app developed for both iOS and Android. The app needs to be built using ArcGIS development and should feed from publicly available ESRI maps.

Key requirements include:
- Creation of a cross-platform app: The app must work seamlessly on both iOS and Android devices.
- Utilization of ArcGIS development: The freelancer should be experienced in working with ArcGIS to ensure the app is developed with the necessary geospatial capabilities.
- Integration with ESRI maps: The app must pull data from publicly available ESRI maps and display them in an intuitive and user-friendly manner.
- Clean and intuitive UI/UX: While I don't have specific design requirements at this moment, the app should be easy to navigate and visually appealing for users.

Ideal skills and experience for this job include:
- Proficiency in ArcGIS development
- Proven track record in building cross-platform apps, particularly for iOS and Android
- Strong UI/UX design skills, with experience in creating visually appealing and user-friendly interfaces
- Knowledge of GIS (Geographic Information System) and experience working with mapping services like ESRI maps would be highly beneficial.