Join ProtonWorks and be part of a team redefining what is possible in design. We are well-funded with the resources of a scale-up and the speed of a startup. As a Principal UI Designer, you will have real ownership, meaningful impact, and the flexibility to work how you work best.

What You'll Do:
- Lead end-to-end design process from research to high-fidelity mockups
- Create wireframes, prototypes, and interactive design specifications
- Define and track design quality metrics and success criteria
- Conduct user research, interviews, and usability testing sessions
- Maintain and evolve the company design system and component library
- Translate complex user problems into elegant, simple solutions
- Collaborate closely with engineers during implementation

What We're Looking For:
- 10+ years of deep expertise in your domain
- Exceptional ability to communicate complex ideas to all audiences
- Demonstrated impact at the company or industry level
- Experience shaping long-term technical vision and strategy

What We Offer:
- Fully remote — work from anywhere in the world
- Parental leave and family-friendly policies
- Competitive salary with equity or performance bonuses
- Annual learning and development budget ($1,500+)
- Flexible hours — we trust you to manage your time

To apply, send your resume and a short note about why you are excited about this role. We review every application and respond within 5 business days.