Job Description

• Lead the end-to-end design process for mobile (iOS/Android) engagement systems, from discovery to final handoff
• Own the full engagement loop strategy, including interaction design, motivation systems, and progression models
• Translate product requirements and behavioral goals into wireframes, user flows, mockups, and interactive prototypes
• Design intuitive, cross-generational mobile experiences that support shared family interaction on a single device
• Architect scalable interactive systems including achievements, progression models, challenges, streaks, and reward frameworks
• Design engagement loops that can evolve from lightweight gamification into deeper interactive systems as the product matures
• Apply behavioral psychology and motivation theory to drive sustained engagement while maintaining ethical design standards
• Ensure interactive systems encourage curiosity and learning without manipulative mechanics
• Design for retention metrics such as Day 1, Day 7, Day 30, and 90-day engagement
• Maintain and evolve a scalable mobile design system in Figma
• Ensure consistency and usability across platforms by adhering to Apple’s Human Interface Guidelines and Google’s Material Design system
• Collaborate closely with Product Managers, Engineers, and Data Scientists in agile sprints to iterate and refine solutions
• Leverage AI tools to accelerate ideation, prototyping, documentation, and iteration across the design lifecycle
• Champion AI-enabled design workflows that increase velocity and scalability within a lean startup environment
• Conduct user research and usability testing across both adult and youth audiences to validate interaction models
• Support QA during development sprints by reviewing builds and ensuring pixel-accurate implementation
• Communicate design rationale clearly to cross-functional teams and executive stakeholders

Requirements

• 5+ years of experience in UX or Product Design with a portfolio demonstrating excellence in mobile-first consumer products
• 2+ years of experience designing interactive systems or game-based engagement models within mobile applications is a plus
• Proven track record designing products that drive measurable engagement and retention
• Strong portfolio demonstrating progression systems, motivation loops, or educational discovery experiences
• Deep understanding of behavioral psychology, intrinsic and extrinsic motivation, and retention design
• Experience designing ethical engagement systems appropriate for youth and family audiences
• Expert-level proficiency in Figma with experience managing shared libraries and scalable design systems
• Deep understanding of Apple’s Human Interface Guidelines and Google’s Material Design
• Proven experience designing for native iOS and Android mobile apps
• Comfortable operating in fast-paced, startup environments with shifting priorities and tight deadlines
• Experience working within agile development teams using tools such as JIRA, Notion, or similar
• Demonstrated use of AI tools in design workflows to improve speed, quality, or collaboration
• Highly organized with attention to detail and a bias toward action
• Comfortable working directly with founders and C-level leaders to bring a product vision to life
• Passion for health, education, consumer wellness, or mission-driven products

Benefits

• Health insurance
• Flexible work arrangements
• Professional development opportunities