Senior AI/UX Designer for Design Systems & Trustworthy AI

Speria; Santiago de Querétaro; On-site; MXN 420,000 - 660,000; Full time

Job summary

Speria in Mexico is seeking a Senior UX Designer to shape the experience across Amino, Sonar, and Proline as part of Helix, our design system. You will own product design end-to-end and bring AI/UX expertise to create intuitive human-AI interactions.

You will collaborate with PMs and engineers, contribute to design reviews, plan usability testing, and extend Helix with AI-specific patterns. Strong Figma skills and fluency in English are required; SaaS/enterprise experience is a plus.

Qualifications

• 5+ years of UX design experience with a strong generalist foundation.
• Experience with AI or ML components in products.
• 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.

Responsibilities

• 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
• 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

Skills

UX design

AI/UX design

Figma

English communication

Usability testing

Design systems

Product design

Figma

Tools

Figma

Job description

Speria in Mexico is seeking a Senior UX Designer to shape the experience across Amino, Sonar, and Proline as part of Helix, our design system. You will own product design end-to-end and bring AI/UX expertise to create intuitive human-AI interactions.

You will collaborate with PMs and engineers, contribute to design reviews, plan usability testing, and extend Helix with AI-specific patterns. Strong Figma skills and fluency in English are required; SaaS/enterprise experience is a plus.