Smart TV App Development

I'm looking for an experienced app developer to create a Smart TV app. The app should be compatible with the following platforms: - Roku - Amazon Fire TV - Samsung Tizen - Android TV The ideal candidate should have: - Proven experience in developing apps for multiple Smart TV platforms - Strong knowledge of platform-specific guidelines and requirements - Expertise in UI/UX design for TV interfaces - Proficiency in relevant programming languages and frameworks Please provide examples of previous work, especially on similar platforms.