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Senior Mobile UX Designer

3 weeks, 5 days ago
United States
Contract
Senior
Product Designer (UI/UX)
Mobile Development
Agile Android Design Systems Figma iOS JIRA Notion Prototyping UX Design Wireframing
Apply Now
WISEcode

WISEcode

WISEcode is a company that offers precision nutrition data using cutting-edge artificial intelligence and state-of-the-art lab testing. They help organizations connect with customers and their unique health and wellness needs. WISEcode is dedicated to ...

Internet Software & Services
11-50
Founded 2021
View All Jobs 3

Description

  • Lead the end-to-end design process for mobile engagement systems from discovery through final handoff.
  • Own the 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 for shared family use on a single device.
  • Architect scalable interactive systems such as achievements, progression models, challenges, streaks, and rewards.
  • Design engagement loops that can evolve from lightweight gamification into deeper interactive systems as the product matures.
  • Apply behavioral psychology and motivation theory to support sustained, ethical engagement.
  • Design for retention metrics including Day 1, Day 7, Day 30, and 90-day engagement.
  • Maintain and evolve a scalable mobile design system in Figma.
  • Collaborate with Product Managers, Engineers, and Data Scientists in agile sprints to iterate on solutions.
  • Leverage AI tools to accelerate ideation, prototyping, documentation, and iteration across the design lifecycle.
  • Conduct user research and usability testing with 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 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.

Interested in this position?

Apply directly on the company website

Apply Now

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