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Ruby Labs

UX Lead – Product & Growth

Ruby Labs

UX Lead at Ruby Labs responsible for product growth and user experience strategies. Analyze user data and lead design improvements for D2C products.

Posted 5/5/2026full-timeRemote • 🇺🇦 UkraineSeniorWebsite

About the role

Key responsibilities & 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.
  • 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.
  • 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.
  • 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.

Requirements

What you’ll need
  • 5–8+ years in UX, Product Design, or design leadership, ideally in D2C, SaaS, or consumer digital products.
  • 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.
  • 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.
  • Strong design background with a portfolio of conversion-oriented, data-validated work.
  • Experience leading or managing designers — you've set direction, reviewed work, and raised team quality.
  • Ability to define and maintain a consistent, high-quality design system.
  • Proven ability to collect both qualitative and quantitative user insights.
  • Experience designing and running user interviews, surveys, and research frameworks.

Benefits

Comp & perks
  • Fully remote.
  • Competitive remuneration + performance-based bonus upside.
  • Real leadership scope — you'll shape both the product and the team.
  • Direct influence on a product used by hundreds of thousands of users — every UX improvement is measurable.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools
UX designproduct designA/B testingdata analysisconversion rate optimizationcohort analysisretention analysisdesign systemuser researchgrowth-driven design
Soft Skills
leadershipcommunicationanalytical thinkingproblem-solvingcollaborationprioritizationcreativitymentorshipdecision-makinguser empathy