Job Title: Gameplay Software Engineer III Company Name: Meta Job Url: https://job-boards.greenhouse.io/dtljobs/jobs/4679959005?gh_src=my.greenhouse.search Job Description: 69688-1 - Gameplay Software Engineer III Seattle, WA, USA Mobile Game Developer:  Work on building and prototyping casual, social mobile games, collaborating with Meta’s engineering team to bring engaging experiences to platforms like Facebook, Messenger, and emerging environments. Responsibilities:  Develop and prototype casual, social mobile games from concept to playable versions Implement gameplay systems including progression loops, retention mechanics, and social features (leaderboards, challenges, sharing) Rapidly iterate on game concepts to test engagement and gameplay hypotheses Collaborate with Meta’s engineering team for validation and integration Deliver high-quality, production-ready code Requirements:  5–7 years of experience in game development Experience building and shipping multiple mobile games (App Store / similar platforms) Portfolio of games or prototypes demonstrating gameplay and creativity Experience with modern game engines (e.g., Unity) and rapid prototyping Strong understanding of social/casual game design (daily loops, progression, retention mechanics) Ability to work independently and own features end-to-end Familiarity with AI-driven tools or workflows in game development (AI-native mindset preferred