Staff Designer: AI Prototyping in Codebase

Mozilla; United States; Remote; USD 185,000 - 205,000; Full time

Benefits offered by this job

Fully remote work

Annual bonus

Professional development stipend

Health insurance

Company all-hands and team gatherings

Job summary

MZLA Technologies Corporation seeks a Staff Designer to shape Thunderbolt’s product experience, moving concepts into prototype and production-ready UI. You will work across product, design, and engineering, blending AI-driven workflows with rigorous usability and security considerations.

You’ll craft reusable patterns, contribute to the design system, and mentor others while operating in a remote, enterprise-focused environment. Strong cross-functional communication is essential.

Qualifications

• 10+ years of experience in design engineering or related role.
• Strong front-end engineering skills with modern JS/TS.
• Strong product and interaction design judgment including usability and accessibility.
• Experience designing AI-enabled product experiences.
• Experience translating ambiguous product concepts into prototypes and shipped product experiences.
• Experience providing technical or product leadership.
• Familiarity with privacy, security, and regulatory considerations.
• Strong communication and collaboration skills.
• Portfolio or case studies showing design-to-code execution.
• Experience contributing to design systems.

Responsibilities

• Build functional prototypes and product experiments directly in the Thunderbolt codebase.
• Translate ambiguous ideas, user workflows, partner feedback, and enterprise needs into usable product experiences.
• Define interaction patterns for AI-powered chat, search, research, and automation features.
• Use AI-assisted tools to accelerate prototyping while maintaining quality, usability, security, and accessibility.
• Partner with product, design, engineering, and enterprise teams to refine product direction.
• Contribute production-quality front-end code where appropriate.
• Identify when a prototype should be discarded, refined, generalized, or productionized.
• Improve usability, accessibility, consistency, and polish of the Thunderbolt UX.
• Develop reusable components and design-system elements for broader reuse.
• Bring a user-centered perspective to technical and product discussions.

Skills

Frontend engineering

JavaScript/TypeScript

Prototype in code

AI-enabled design

Design leadership

Open source collaboration

UI/UX design

Accessibility

Tools

(none)

Job description

MZLA Technologies Corporation seeks a Staff Designer to shape Thunderbolt’s product experience, moving concepts into prototype and production-ready UI. You will work across product, design, and engineering, blending AI-driven workflows with rigorous usability and security considerations.

You’ll craft reusable patterns, contribute to the design system, and mentor others while operating in a remote, enterprise-focused environment. Strong cross-functional communication is essential.