UI/UX Designer

Darkroom

. Own features end-to-end from identifying the problem through design, development, and production release .

Posted 10/19/2026full-timeRemote • Brazil, Portugal, SpainMid-LevelSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in frontend development and design, particularly with React, TypeScript, and CSS, while maintaining UI/UX consistency and creating data-dense dashboards. Proficient in collaborating with subject-matter experts and utilizing AI tools to enhance product features and user workflows.

Highest-signal resume keywords

ReactTypeScriptCSSFigmaAI Tools

ATS Keywords

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Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Frontend DevelopmentVisual DesignInteraction DesignData VisualizationPrototyping

Soft Skills

CuriosityClear WritingComfort with Ambiguity

Tools & Technologies

TailwindCode EditorCursorClaude Code

Industry Keywords

UI/UX DesignProduct ExperienceMarketing CoordinationMulti-Channel DataBrand Collaboration

Tech Stack

Tools & technologies

ReactTypeScript

About the role

Key responsibilities & impact

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

Requirements

What you’ll need

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

Benefits

Comp & perks

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