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Mozilla Logo Mozilla · IT - Software Development

Staff UX Designer, AI Investment

United States; Canada · Job Posted January 08, 2026
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Job Description

As a Staff UX Product Designer with an AI focus, you’ll help define the future of browsing and shape the next generation of AI-powered features in Firefox. You’ll collaborate with product managers, engineers, researchers, and content designers to create elegant, scalable experiences rooted in Firefox’s values of privacy, simplicity, and performance. In this high-impact, cross-functional role, you’ll explore new ideas, bring design systems to life, and elevate product quality with refined, visually engaging, and thoughtful design. You’ll influence how millions of people interact with the web—balancing trusted UI patterns with bold, forward-thinking AI innovations.

Job Responsibility

  • Design AI-powered features for Firefox on desktop, guiding ideas from early sketches to live experiences
  • Combine familiar interface patterns with inventive AI features so browsing feels fresh, fast, and easy to use
  • Work autonomously to identify problems and propose solutions that align with product strategy, user insights, and technical constraints
  • Use storyboards, wireframes, and prototypes to explore and refine new ways for people to interact with AI in the browser
  • Work side-by-side with product managers, engineers, researchers, and content designers to make design decisions that work for people and for the product
  • Design with privacy, accessibility, and trust at the core of every interaction
  • Help grow and adapt Firefox’s design systems to keep the desktop experience consistent and cohesive

Requirements

  • 7+ years of product design experience, ideally working with complex workflows or multi-step processes
  • Experience designing AI experiences for consumer products with large user bases
  • Background in ethical AI practices and privacy‑first design
  • Familiarity with AI-powered tools or excitement to help shape how people use AI in everyday work
  • Knowledge of design systems and tools like Jira
  • Passion for open‑source technology
  • A strong, user‑centric portfolio with polished UI craft and innovative interaction paradigms
  • Proven track record of delivering end‑to‑end design in ambiguous, large‑scale projects
  • Curiosity about AI technologies and hands-on experience experimenting or prototyping with them
  • Strong grasp of visual and interaction design principles: layout, typography, motion, accessibility, and brand expression
  • Proficiency with Figma and other modern prototyping tools
  • Ability to communicate clearly with cross‑functional partners and influence without authority
  • Collaborative, flexible, low‑ego approach
  • thrives in fast‑paced, distributed teams
  • Talent for turning complicated workflows into clear, intuitive experiences

What we offer

  • Generous performance-based bonus plans to all eligible employees
  • Rich medical, dental, and vision coverage
  • Generous retirement contributions with 100% immediate vesting
  • Quarterly all-company wellness days where everyone takes a pause together
  • Country specific holidays plus a day off for your birthday
  • One-time home office stipend
  • Annual professional development budget
  • Quarterly well-being stipend
  • Considerable paid parental leave
  • Employee referral bonus program
  • Other benefits (life/AD&D, disability, EAP, etc. varies by country)
  • Flexible work environment (majority of Mozillians work remotely)
  • Industry-leading paid parental leave (up to 26 weeks of fully paid leave for childbearing parents and up to 12 weeks for non-childbearing parents)
  • Reimbursement for professional development (up to $3,000/year)
  • A work setup including the latest hardware and software of your choice
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