Senior UX Designer

The role

You will lead and partner in designing AI-powered experiences and workflows. You will work with product managers, engineers, and AI specialists to build interfaces for engineers.

What you will do

• Lead, partner and support UX design for AI-powered products and workflows
• Partner with product, engineering, and AI specialists to identify customer problems
• Design conversational, contextual, and agent-driven interfaces
• Design agent orchestration experiences
• Establish clear patterns for human oversight
• Help users evaluate AI outputs
• Plan and conduct customer discovery, usability testing, and prototype validation
• Create design artifacts from workflow diagrams to polished interfaces
• Partner with engineers throughout implementation
• Contribute shared AI interaction patterns to the design system and mentor other designers

Required qualifications

• 5+ years of product or UX design experience
• Track record of leading complex initiatives at a Senior level
• Demonstrated experience designing and shipping AI-powered interfaces
• Substantial experience with conversational interfaces, LLM-powered workflows, AI assistants, autonomous or semi-autonomous agents, or agent orchestration tools
• Practical understanding of how AI behavior affects UX
• Strong UX fundamentals including information architecture, interaction design, visual design, accessibility, and systems thinking
• Fluency in Figma
• Ability to build prototypes that communicate dynamic interactions and system behavior
• Using AI tools like Claude and Codex to accelerate design process with code-based prototypes
• Strong collaboration with technical partners
• Experience influencing design direction across teams and helping other designers

Nice to have

• Education or practical knowledge in machine learning, how LLMs work, or agent architecture
• Experience designing controls for agent permissions, action approvals, activity history, or auditability in enterprise environments
• Experience collaborating on AI evaluations
• Ability to prototype with code, APIs, or AI development tools
• Experience designing for engineering, manufacturing, or other technical domains

About the company

CoLab helps mechanical engineering teams bring products to market using AI. The company is based in St. John’s, Newfoundland.