Demo

#127306 - UX Designer

Upwork
San Francisco, CA Contractor
POSTED ON 7/24/2026
AVAILABLE BEFORE 1/19/2027
Job Description

We are seeking a hands-on UX Designer to improve messaging experiences across mobile applications and desktop web products serving multiple user groups. This role will design new AI-powered messaging features and improve communication patterns so users can respond more effectively, understand conversation status, and re-engage when appropriate.

The ideal candidate has strong end-to-end product design experience, a portfolio demonstrating complex product workflows, and the ability to work independently within an established product environment.

Enterprise Experience Strongly Preferred.

Key Responsibilities

  • Design end-to-end product experiences across mobile applications and desktop web.
  • Create wireframes, user journeys, interactive prototypes, and high-fidelity mockups.
  • Design user experiences for AI-powered messaging features.
  • Improve communication responsiveness through reply prompts, expectation setting, status transparency, and re-engagement patterns.
  • Simplify complex workflows and data-heavy experiences involving search, filtering, data export, or similar functionality.
  • Apply established design-system components, patterns, and visual standards.
  • Collaborate with Product Management, Engineering, UX Research, and Legal partners.
  • Incorporate qualitative research findings and user feedback into design iterations.
  • Support design validation through qualitative research and A/B testing.
  • Prepare clear design specifications and handoff materials for engineering teams.
  • Work independently, manage assigned design work, and ramp quickly with minimal oversight.

Qualifications

Must-Have Skills

  • 3 years of professional product UX design experience.
  • Portfolio demonstrating end-to-end product UX work.
  • Strong interaction design, visual design, prototyping, and user-journey design skills.
  • Experience designing complex workflows or data-heavy enterprise product experiences.
  • Experience with search, filtering, data export, or comparable complex interaction patterns.
  • Ability to work independently and operate effectively with minimal oversight.
  • Experience collaborating with Product, Engineering, Research, and Legal stakeholders.
  • Experience incorporating UX research findings and user feedback into product designs.
  • Strong written and verbal communication skills.
  • Recent hands-on individual contributor experience.

Nice-to-Have Skills

  • Experience designing messaging, inbox, communications, or notification products.
  • Accessibility expertise, including familiarity with WCAG and assistive technologies.
  • Experience designing international or localized products.
  • Experience designing products for the Japanese market.
  • Mobile-first product design experience.
  • Experience supporting A/B testing or experimentation programs.
  • Prior contractor or embedded-team experience within a large product organization.
  • Experience designing AI-enabled product features.

Additional Information

Required Tools & Platforms

  • Strong, current Figma proficiency.
  • Experience creating interactive prototypes.
  • Experience with design-to-engineering handoff workflows.
  • Experience working within an established design system.

Location, Time & Engagement

  • Remote contract opportunity.
  • Candidates must be located in the United States.
  • Must be available for full-time work at 40 hours per week.
  • Must be able to work with teams operating in the U.S. Central time zone.
  • Contract is expected to continue through March 31, 2027.

Hourly Wage Estimation for #127306 - UX Designer in San Francisco, CA
$52.00 to $63.00
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