Mozilla is looking for a Staff UX Designer, AI Investment to help define the future of browsing and shape the next generation of AI-powered features in Firefox. You’ll collaborate cross-functionally to create elegant, scalable experiences rooted in Firefox’s values of privacy, simplicity, and performance.

What You'll Do

Lead the design of 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.

What We're Looking For

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.
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.
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.

Nice to Have

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.
Curiosity about AI technologies and hands-on experience experimenting or prototyping with them.

Technical Stack

Figma

Team & Environment

You’ll join a distributed, mission-driven team.

Benefits & Compensation

Generous performance-based bonus plans
Rich medical, dental, and vision coverage
Generous retirement contributions with 100% immediate vesting
Quarterly all-company wellness days
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)

Work Mode

This role is remote and open to global candidates.

We are an equal opportunity employer. We do not discriminate on the basis of race (including hairstyle and texture), religion (including religious grooming and dress practices), gender, gender identity, gender expression, color, national origin, pregnancy, ancestry, domestic partner status, disability, sexual orientation, age, genetic predisposition, medical condition, marital status, citizenship status, military or veteran status, or any other basis covered by applicable laws.