Key Responsibilities: Develop mobile applications using Flutter with clean and scalable architecture. Build and implement 2D game features and interactive components. Integrate and manage RESTful APIs across multiple services. Collaborate closely with designers, developers, and stakeholders. Use Git for version control and team workflows. Optimize UI/UX performance for smooth mobile game/app experiences. Required Qualifications: -5+ years of Flutter Game development experience preferably from 6+ projects (min. 30 hours each). -5+ years of Git experience. -Strong experience with REST APIs:10+ projects involving REST integrations. -2D game development experience:6+ game projects, each at least 30 hours. -Relevant experience must be from after January 1, 2020. -Good English skills (Finnish not required). Nice to have: Familiarity with performance optimization and state management. Experience with CI/CD pipelines.