ProbablyMonsters seeks a Principal Player Combat & Gameplay Designer to lead the design, implementation, and tuning of player gameplay and combat mechanics for a new action-adventure RPG. This role requires expertise in character, controls, and camera impact on gameplay feel, and the ability to articulate how combat and level design facilitate player skill mastery. Responsibilities include collaborating with multiple teams (systems, level design, animation, AI, engineering), defining gameplay pillars for AI combat, partnering with production/product management, establishing quality benchmarks, mentoring junior designers, and driving playtesting and iteration. The ideal candidate possesses a nuanced understanding of third-person action game principles and experience with AAA game development.