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UX Lead (Product & Growth)

Ruby Labs
European UnionRemotefull_timeVerifiedPosted 15 May 2026

About the role

About us

Ruby Labs is a leading tech company that creates and operates innovative consumer products. We offer a diverse range of opportunities across the health, education, and entertainment industries. Our innovative teams are driving the future of consumer-led products, and we're always looking for passionate individuals to join us. Learn more about our story at: https://rubylabs.com/about-us/

 

About the role

We're building and scaling a high-growth D2C product used by hundreds of thousands of customers globally, and we're now entering a phase where UX is a core growth lever. We're adding new capabilities, expanding the product, and focused on improving retention, activation, and funnel performance — and we need a UX leader who can drive that.

We're looking for a UX Lead who is deeply technical, data-fluent, and design-strong. You'll own UX strategy, design quality, and the research practice — not as a support function, but as a core driver of product and business performance.

Today, design is mostly engineered directly in the frontend, and UX research lacks structure and direction. You will change that.

This is not a 9–5 role. It's a high-ownership, high-impact position for someone who wants to build systems, lead people, and directly influence growth metrics.

  

What You'll Do

UX Strategy & Growth Impact

  • Take full ownership of UX, design quality, and user journeys across the product.

  • Turn UX into a measurable growth lever — directly improving activation, retention, and conversion.

  • Work closely with Product and Growth to design and optimize funnels, onboarding, paywalls, and retention loops.

  • Audit and continuously improve the end-to-end user journey — from acquisition through long-term retention.

Data & Analytics (Core Strength)

  • Analyze product analytics independently — Mixpanel funnels, cohort analysis, retention curves, drop-off patterns.

  • Connect UX decisions directly to business metrics — activation rate, retention curves, LTV, conversion.

  • Define hypotheses, experiments, and success metrics for every UX initiative.

  • Use session recordings (Clarity, FullStory, Hotjar), heatmaps, and behavioral data to identify friction points.

  • Proactively request and define new analytics instrumentation and reporting needs with the data team.

  • Validate UX changes through A/B testing (GrowthBook or similar) — hypothesis, implementation, result analysis.

Design Leadership

  • Define, enforce, and evolve a clear, scalable design system (implemented directly in frontend, not Figma-first).

  • Lead and direct designers and frontend engineers involved in UI/UX work — set the definition of done.

  • Set the visual and interaction quality bar across the product.

UX Research

  • Establish a structured research practice — define priorities, run interviews, surveys, and usability tests.

  • Translate raw research into prioritized, actionable product decisions.

  • Direct and level up the existing UX researcher on the team — provide structure, frameworks, and clear priorities.

  

What We're Looking For

Core Strengths (Must Have)

Data & Analytics

  • Strong, hands-on ability to analyze product data independently — you pull your own funnels, you don't wait for reports.

  • Deep experience with Mixpanel, GA4, Amplitude, or similar product analytics tools.

  • Ability to read cohort and retention data, identify patterns, and build hypotheses from raw numbers.

  • Experience designing and running A/B tests (GrowthBook, Optimizely, or similar) end-to-end.

Retention & Growth Expertise

  • Demonstrated experience driving measurable improvements in retention, activation, or LTV.

  • Strong understanding of conversion funnels, retention loops, and user behavior at scale.

  • Background in CRO (conversion rate optimization) or growth-driven design.

Design Leadership

  • Strong design background with a portfolio of conversion-oriented, data-validat

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Company

Ruby Labs

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