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Preffect

Mobile App UI Designer & Brand Manager ( {{city}}) (San Francisco)

Preffect, San Francisco

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About the Role

As the Mobile App UI Designer & Brand Manager at Preffect, you'll drive mobile interface designs in Figma for our innovative Health & Wellness app, available in the App Store here .

As an individual contributor (IC), you'll take over our established Figma design system and visual assets, ensuring consistency and enhancing user experience across iOS and Android platforms. You will also own comprehensive brand management across digital and marketing touchpoints. As the company grows, there will be opportunities to expand into leadership roles.

Responsibilities

UI / UX Design

  • Refine existing mobile app screens in Figma for both iOS and Android, from iterative improvements to final assets.
  • Maintain and evolve our design system and visual assets.
  • Improve app usability, flow, and visual coherence proactively.
  • Collaborate with Product and Engineering teams to ensure a user-centric approach from design to deployment.

Brand Management

  • Refine Preffect's visual identity across all consumer interfaces, including mobile app, social media, website, email, and app store.
  • Create engaging content for social media, marketing materials, landing pages, and brand media.
  • Ensure brand consistency and quality across all customer touchpoints.
  • Drive creative direction to enhance brand storytelling and positioning.

Minimum Qualifications

  • 10 years of experience in mobile UI/UX design, visual design, or a hybrid role.
  • Experience conducting UX research for mobile (iOS and Android).
  • Expertise in Figma, including design systems, auto layout, and prototyping, following Material Design principles and atomic design methodology.
  • Strong fundamentals in typography, color, layout, and illustration.
  • Experience designing brand or marketing assets (social media, web, email).
  • Ability to manage creative projects from concept to execution.
  • Lifelong growth mindset, with interest in AI-assisted tools.

Preferred Qualifications

  • Experience or passion for startups, consumer apps, or Health & Wellness.
  • Skills in motion design or video editing.
  • Experience with copywriting or collaborating with content creators.
  • Familiarity with web design and digital marketing tools.

Compensation & Location

  • Salary: $155-195K annually plus equity, based on experience.
  • Benefits: Health, dental, vision insurance, HSA/FSA, life insurance, 401(k).
  • Location: Initially remote; candidates must be based in the SF Bay Area for in-person collaboration as needed.

Why Join Preffect

  • Shape product experience and brand identity from early stages.
  • Work with an ambitious, mission-driven team leveraging AI and innovative health tech.
  • Enjoy high autonomy, creative freedom, and impact at scale.

If you're excited about the intersection of consumer technology, branding, and Health & Wellness, we'd love to hear from you!

Apply today to help build the future of personalized Health & Wellness at Preffect.

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