Senior UX Designer — AI/UX

About The Role We are looking for a Senior UX Designer to join a cross-functional team responsible for Helix, our design system, and the user experience across three SaaS products: Amino, Sonar, and Proline. This role covers the full range of UX practice. You will take on product design work alongside the team and bring a specialized focus on AI/UX, defining how our products communicate and behave when artificial intelligence is involved. AI/UX is your area of depth, not your only responsibility. What You'll Be Responsible For Product Design Own UX design work across Amino, Sonar, and Proline: flows, wireframes, interaction specs, and design reviews Collaborate with product managers and engineers to define and validate interaction decisions Participate in design critiques and contribute to design quality across the team Plan and support usability testing, prototype validation, and design feedback sessions to identify friction, validate assumptions, and improve product decisions AI/UX Design interaction patterns for human-AI workflows: trust signals, confidence indicators, uncertainty communication, and progressive disclosure of AI reasoning Extend Helix with AI-specific components covering processing states, error handling, feedback loops, and explainability surfaces Partner with product and engineering teams integrating AI features to establish UX guardrails and reusable patterns Review AI-driven features across products and identify where the experience breaks down or erodes user trust Track emerging AI UX research and translate relevant findings into practical patterns for the team What We're Looking For Required 5+ years of UX design experience with a strong generalist foundation; you can own a feature end to end Demonstrated work on products that include AI or ML components Solid grasp of human-AI interaction principles: communicating model behavior, failure modes, and uncertainty to non-technical users Experience designing for error states, edge cases, and degraded-mode experiences in systems with AI Experience designing within or contributing to a design system Proficiency in Figma Strong written and verbal communication in English Preferred Familiarity with AI/ML concepts at a product level; enough to have a substantive conversation with a data scientist or ML engineer Experience with conversational UI, co-pilot patterns, or AI-assisted workflows Exposure to explainable AI principles and how they surface in product design Experience in SaaS or enterprise software environments Understanding of how design tokens and component APIs support scalable pattern libraries Differentiators Portfolio work that specifically addresses trust, uncertainty, or error communication in AI products Evidence of influence on how a product team adopted AI UX standards or patterns, not just individual screen execution Familiarity with established AI UX guidelines from Nielsen Norman, Google PAIR, Microsoft HAX Toolkit, or similar sources Skills Critical thinking skills, with the ability to challenge assumptions and evaluate trade-offs across user needs, business goals, and technical constraints Deep empathy for users, with the ability to understand their context, constraints, frustrations, and goals before jumping into solutions