UX Engineer, LLM Experimentation Platform

• Refine and iterate on UX for existing features
• Watch real users struggle in Fullstory, identify friction points, and fix them
• Prototype interaction alternatives rapidly (in Figma or code) to test different approaches
• Work closely with our Senior engineers who own feature architecture
• Own the 'feel' of the product: transitions, feedback, error handling, progressive disclosure
• Build reusable interaction patterns that the team can leverage
• Run lightweight usability tests to validate improvements

• You've made products noticeably better through interaction refinement
• You're comfortable with modern frontend frameworks and animation libraries
• You've used session replay tools and incorporated user feedback into designs
• You can work in Figma to prototype before committing to code
• You think about edge cases, loading states, and empty states automatically
• You've worked on complex tools (dev tools, data tools, B2B SaaS) where UX really matters

You've built or contributed to design systems

• competitive equity package
• comprehensive benefits package, including medical, dental, vision
• a 401(k) plan
• unlimited paid time off
• a generous parental leave plan
• additional support for mental health and wellness
• WFH monthly stipend to pay for co-working spaces