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Principle UX Engineer

Portland, OR
2 weeks ago
πŸ€– AI-FirstπŸ› οΈ Cursor-friendlyπŸš€ Startup🌍 RemoteπŸ“ˆ High GrowthπŸ’» Open Source
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Mentions vibe-coding support and explicitly calls out AI copilots (Claude code); emphasizes iterating in code and rapid prototyping β€” fits vibe coding workflows.

About the Role

Principal UX Engineer combining strong visual/product design with hands-on frontend engineering to create outstanding developer experiences across GUI and programmatic interfaces. Focuses on rapid prototyping in code, shaping product UX for both an open-source framework (MooseStack) and a commercial hosting platform while collaborating closely with founders and core engineering.

Job Description

Role

As the first Technical Designer / Design Engineer / UX Engineer, you will own and shape developer-facing experiences across GUI and programmatic interfaces. You will prototype and implement designs in code, contribute to our open-source framework (MooseStack) and commercial hosting platform, and work closely with the founding team, product, and engineering.

Key Responsibilities

  • Drive outstanding developer experiences across all product and company touchpoints
  • Influence product strategy and advocate for developer users
  • Conduct high-velocity product and design discovery and validation with users
  • Leverage AI tools to accelerate workflows and focus on differentiated human skills
  • Define the product’s aesthetic and interaction design with a clear point of view
  • Create flows and rapidly iterate from low- to high-fidelity designs
  • Prototype and implement designs in code, building working MVPs and production-ready solutions
  • Collaborate with product, engineering, and marketing to shepherd UI/UX/DX decisions to shipped outcomes
  • Work on GUI, APIs, CLIs, onboarding, marketing touchpoints, and both open-source and commercial products

Requirements

  • 7+ years in a technical-leaning designer role or a design-leaning developer role
  • Portfolio demonstrating shipped, beautiful, and intuitive product features
  • Strong visual design aesthetic and UI/UX skills; able to create, review, and self-approve designs
  • Strong software prototyping skills and experience building end-to-end, scalable, accessible features
  • Comfortable and competent with design and development tools, with deep expertise in either domain
  • Experience with design systems and component-driven design
  • Experience running user-facing discovery and validation
  • Very nice-to-have: experience designing or building developer tools

Notable Tools & Context

  • You will work on our open-source framework MooseStack and our commercial hosting platform
  • The role emphasizes rapid iteration in code and use of AI copilots to accelerate output

Tech Stack

FigmaGitIDEsClaude codeTypescriptTailwindReactShadCNMooseStackAPIsCLI

Skills

UX/UI DesignInteraction DesignVisual DesignPrototypingFrontend DevelopmentDesign SystemsUser ResearchProduct Discovery and ValidationProduct StrategyCollaborationMentoring and CoachingDeveloper EmpathyAccessibilityRapid IterationCommunication

Experience Level

Senior

Employment Type

Full-time

Benefits

  • β€’Remote-first
  • β€’Flexible schedule / parent-friendly flexibility
  • β€’Professional development and coaching from leadership
  • β€’Opportunity for career progression into leadership
  • β€’Work closely with founding team
  • β€’Small, high-growth startup environment