UI/UX Designer

• Own features end-to-end from identifying the problem through design, development, and production release
• Work directly with subject-matter experts such as media buyers, strategists, and creatives to understand workflows
• Translate user insights into product features including agent conversations, performance and creative dashboards, and the marketing calendar
• Maintain UI/UX consistency across the application
• Keep the design system current in Figma and React
• Ensure screens meet standards for typography, spacing, motion, loading states, and empty states
• Rapidly prototype in code, Figma, or AI tools and validate ideas with experts
• Create interaction patterns for agentic workflows, including streaming answers, agent reasoning, approval flows, and missing-data states
• Turn dense multi-channel data into quickly readable marketer interfaces
• Bring the Shadow brand into the product in collaboration with brand partners
• Build product experiences for Shadow, an AI coordination layer helping marketing teams manage AI agents, memory, and model orchestration

• Shipped product UI with a portfolio or live work showing both design and code
• Strong React, TypeScript, and CSS skills; Tailwind is a plus
• Ability to own a frontend codebase, not just individual components
• Visual and interaction design skills in typography, layout, color, motion, and micro-interactions
• Curiosity about user workflows and ability to work with subject-matter experts
• Systems mindset for maintaining consistent product experiences
• Comfort working in Figma and a code editor
• Experience designing data-dense dashboards, tables, and charts
• Daily use of AI tools such as Cursor or Claude Code
• Comfort with ambiguity and iterative shipping
• Clear writing skills for explaining design rationale
• Typically 5+ years across design and some frontend engineering experience
• English proficiency sufficient for clear, fluent communication with U.S.-based clients and senior stakeholders
• Ability to work 9 AM–5 PM EST; this is non-negotiable
• Must be permanently based in Brazil, Portugal, or Spain

• Unlimited PTO + local holidays relevant to your hub
• Remote-first culture
• Flexible parental leave
• Interdisciplinary growth and professional development opportunities
• Hybrid weekly in-office time for employees based in or near New York or Lisbon HQs
• Hub locations include Brazil and Spain