Open Source Design Engineer

Required Qualifications

• Design and build compelling product experiences for Arize Phoenix across UI-driven and programmatic workflows
• Create interactive visualizations for embeddings, traces, evaluation runs, and agent/tool workflows
• Develop reusable components and templates for our design system, from concept to production
• Build Agent Experience primitives: interaction contracts, human-in-the-loop workflows, and agent-friendly UI surfaces
• Enable agents to query, navigate, trigger evaluations
• Shape the patterns that define how humans and AI agents collaborate within a shared workspace
• Prototype new AI features and UI patterns for visualizing performance, surfacing anomalies, and explaining AI behavior—especially for multi-step agent systems
• Use AI-assisted UI generation to accelerate prototyping while maintaining craft, accessibility, and consistency
• Push the boundaries of what's possible when your users include both humans and machines
• Have strong frontend engineering skills (React, TypeScript) paired with design sensibility
• Think deeply about interaction design, information architecture, and developer experience
• Are curious about AI systems and eager to learn how agents, evaluations, and observability work
• Enjoy prototyping quickly and iterating toward polish
• Care about accessibility, performance, and craft
• Thrive in open-source communities and async collaboration