Part-Time 3D Motion Designer - Spline

About the job We are looking for a part-time 3D Motion Designer to support an ongoing product design and development workflow for our multichain crypto wallet app and hardware wallet ecosystem. This is not a one-time task - we expect recurring collaboration on interactive 3D product scenes, feature animations, and visual prototypes for mobile app integration. Scope of work The designer will create interactive 3D scenes and animations in Spline that visualize product interactions between a smartphone app and our hardware wallet. The work includes both visual design and technical preparation for real-time use inside a Flutter mobile application. Expected deliverables Interactive 3D scenes in Spline for key product flows Animations showing device discovery, connection, data transfer, and transaction signing State-based scenes with transitions such as Idle, Loading, Success, and Error Optimized assets for mobile rendering, including lightweight geometry, compressed textures, and performance-friendly scene setup Export-ready files and handoff materials for developer integration Engagement This is an ongoing part-time freelance role with hourly payment. We expect continuous collaboration based on product roadmap needs rather than a single one-time project. Requirements Strong hands-on experience with Spline Ability to prepare and optimize 3D assets for real-time mobile use Experience with product motion, interactive scenes, and clean modern visual style Nice to have: Blender, Cinema 4D, Unity, Unreal Engine, or understanding of Flutter-related handoff workflows Portfolio Please include live Spline scenes and examples of product-focused motion design work.