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

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📌 Senior UX Designer — AI/UX (Santiago Mexquititlán Barrio 1ro.)
🏢 Speria
📍 Santiago Mexquititlán Barrio 1ro.