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Tech Stack
Tools & technologiesAndroidiOS
About the role
Key responsibilities & impact- 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
What you’ll need- 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
Comp & perks- Health insurance
- Flexible work arrangements
- Professional development opportunities
ATS Keywords
✓ Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
UX designProduct designMobile-first designInteraction designWireframingPrototypingBehavioral psychologyRetention designGamificationDesign systems
Soft Skills
CollaborationCommunicationOrganizational skillsAttention to detailBias toward actionUser researchUsability testingAdaptabilityLeadershipStakeholder engagement