Senior UX Interface Designer
RemoteUnited States
Job Summary
Own the presentation layer of a premium dark-surface consumer product, defining typography, spatial rhythm, and motion standards across iOS, Android, and Web. Build and maintain the authoritative Figma design system, including token libraries and component documentation, while designing identity-driven, personalized experiences that adapt to user performance profiles. Spec high-fidelity motion and interaction details, such as ambient recolor transitions and AI coaching reveals, producing implementation-ready Lottie files for engineering handoff. Translate complex biomarker and wearable data into action-oriented workflows that eliminate passive data consumption. Thrive in a fast-paced startup environment building from 0->1, leveraging AI-assisted development tools to accelerate delivery against hard ship dates.
Required Qualifications
- 5+ years of experience in UX/UI and product design
- at least 2 years designing for mobile (iOS/Android) at a consumer product company
- Understanding of color as a functional system communicating status, identity, causality, and trust
- Proficiency in Figma or equivalent — component libraries, auto-layout, design tokens, prototyping, and developer handoff
- Proficiency in motion/animation tools (Lottie, After Effects, Framer, or equivalent) with demonstrated ability to spec animations for engineering implementation
- Comfort with AI-assisted development tools such as Lovable, Cursor, or similar, and willingness to adopt new tooling quickly
- Must be available for remote work from home
Desired Qualifications
- Experience designing for health, fitness, performance, or biomarker applications
- Experience designing consumer commerce surfaces in a trust-sensitive context, including in-app purchases, subscription tier presentations, or health/telehealth marketplaces
- Familiarity with React Native / Expo design constraints: safe areas, platform-specific scroll physics, gesture models, and native component behavior
- Light front-end knowledge (TypeScript, React Native, CSS) sufficient to assess implementation fidelity and communicate specific divergence from design intent
- Experience designing gamification and progression systems: achievement states, streak mechanics, leaderboard displays, tier progression
- Familiarity with identity-adaptive or multi-theme design systems: real-time palette shifts, persona-keyed visual treatments, multi-tier token management
- Experience with cinematic or motion-heavy product moments (brand launch surfaces, product reveal animations, celebration states) and demonstrated ability to art-direct sound, motion, and timing together
- Applicable certifications
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