Roku TV App Developer – Claw Machine Arcade Game (BrightScript/SceneGraph)

We're looking for an experienced Roku developer to build a claw machine arcade game for Roku TV, based on an existing multi-platform app (already live/in submission on Samsung Tizen and LG webOS).
About the project:
Grab A Toy is a claw machine-style arcade game currently deployed across smart TV platforms. We need a Roku version built to match the existing gameplay, visuals, and mechanics.
Responsibilities:

Build the Roku channel using BrightScript and SceneGraph
Port existing game logic and UI/UX to Roku's platform constraints
Implement smooth animations and responsive remote-control navigation
Optimize performance for Roku hardware (including lower-end devices)
Prepare and submit the channel through the Roku Developer Dashboard, handling certification requirements

Requirements:

Proven experience shipping apps/games to the Roku Channel Store
Strong BrightScript and SceneGraph XML skills
Experience with Roku remote input handling and focus management
Familiarity with Roku's certification/review process
Bonus: experience with cross-platform TV app development (Tizen, webOS, Fire TV)

Deliverables:

Fully functional Roku channel matching existing app behavior
Submission-ready package passing Roku certification
Basic documentation for future maintenance