The Senior Game Designer (Systems & Economy) at SOFTGAMES will be tasked with evolving the Solitaire TriPeaks game, focusing on enhancing player engagement and commercial success. Key responsibilities include designing and optimizing the game's economy, progression, and monetization systems, as well as collaborating with various teams to improve overall game performance. Candidates should have over five years of experience in mobile game design, particularly with free-to-play models.