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"A designer knows he has achieved perfection not when there is nothing left to add, but when there is nothing left to take away."

— Antoine de Saint-Exupéry

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Contract, UX Writer

Customer.io • Mexico 🇲🇽

Remote $60 - $70 Contract

Audit and document design system components, creating comprehensive guidelines for usage and behavior. Collaborate with cross-functional teams to ensure guidelines are practical and aligned with real-world usage.

Responsibilities

  • Audit and document 50+ design system components, creating comprehensive guidelines for usage, anatomy, behavior, accessibility, and content.
  • Establish voice, tone, and content standards for component documentation—creating templates and patterns that scale across the system.
  • Collaborate with the Design Systems Lead to prioritize components, understand design decisions, and ensure guidelines reflect real-world usage.
  • Define and document content patterns for common UI scenarios (error states, empty states, CTAs, validation messages, etc.).
  • Create before/after examples that demonstrate best practices and common pitfalls for each component.
  • Work cross-functionally with Product and Engineering to ensure guidelines are practical, implementable, and aligned with how teams actually build.
  • Improve discoverability and organization of design system documentation in Figma and Notion.

Requirements

  • 3+ years of UX writing experience, with at least one project involving design systems, component libraries, or technical documentation.
  • Proven ability to write clear, concise guidelines that balance technical accuracy with practical usability.
  • Strong portfolio demonstrating component documentation, UI content, or similar systems-level writing work.
  • Experience with Figma and comfort navigating design files, understanding component structure, and collaborating with designers.
  • Familiarity with accessibility standards (WCAG) and inclusive design principles.
  • Exceptional organizational skills and attention to detail.
  • Comfort working independently in a remote-first, async-friendly environment with some overlap for collaboration.
  • A pragmatic communicator who asks great questions, gives clear rationale for decisions, and values feedback.

Key Skills

  • 3+ years of UX writing experience.
  • Proven ability to write clear, concise guidelines.
  • Strong portfolio demonstrating component documentation.
  • Experience with Figma.
  • Familiarity with accessibility standards (WCAG).
  • Exceptional organizational skills.
  • Comfort working independently in a remote-first environment.
  • A pragmatic communicator.

About Customer.io

Create personalized customer journeys that engage and convert with our versatile customer engagement platform. Scale, flex, and innovate at your own pace. Because when powered by data, your messages lead to meaningful relationships. Deliver meaningful interactions: Make every message relevant by building unique customer interactions across mobile and web using email, in-app messages, SMS, and push notifications. Designed to help you scale: Manage all your messaging in one place with a platform that seamlessly integrates with the tools you use every day. Data without limits: Put an end to data silos by easily moving real-time data from source to destination and crafting campaigns with unlimited profile attributes, events, or actions.

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