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 IP. This role demands expertise in 3C's (Character, Controls, Camera) and a deep understanding of how combat, encounters, and level design impact player skill mastery. Responsibilities include collaborating with various teams (systems, level design, animation, AI, engineering), driving playtesting and iteration, mentoring junior designers, and ensuring high-quality gameplay across solo and cooperative modes. The ideal candidate possesses extensive experience in third-person action games, a strong ability to communicate across disciplines, and a passion for innovative gameplay design.