Spatial's Animal Company team seeks a Unity 3D Gameplay Engineer to implement new gameplay mechanics, user interfaces, and optimizations. Responsibilities include developing new game modes, monsters, and items; testing and optimizing graphics and CPU performance; fixing bugs; implementing systems like player moderation and asset loading; and creating gameplay for monthly events. Close collaboration with artists is required to integrate new content. The role involves proficiency in Unity, C#, or C++, and a strong understanding of object-oriented design patterns.