ruby-labs - UX Lead (Product & Growth)
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Requirements
• 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-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. • Comfortable working in environments where design is implemented directly in frontend (no Figma-first culture). • Proven ability to collect both qualitative and quantitative user insights. • Experience designing and running user interviews, surveys, and research frameworks. • Ability to translate research into clear, actionable product decisions. • 5–8+ years in UX, Product Design, or design leadership, ideally in D2C, SaaS, or consumer digital products. • Experience working in fast-paced, growth-oriented environments with daily or near-daily releases. • Systems thinker — designs scalable patterns, not one-off screens. • Clear communicator — explains the why behind every design decision with data. • Strong ownership mindset — owns outcomes, not output. • Experience in LegalTech, document tools, or utility products. • Familiarity with TailwindCSS, React/Next.js component implementations — you can review frontend code, not just spec it. • Experience working in engineering-led teams without a separate design org. • Exposure to PDF-based or form-heavy UX flows.
Responsibilities
• 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. • 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.
Benefits
• You will define how UX drives growth, retention, and monetization at scale. • You will build the design and research foundation for multiple products. • You will work directly with product leadership and influence key business decisions. • You will turn UX from a weak point into a competitive advantage. • CULTURE & EXPECTATIONS • High pace, high ownership, high standards. • Not a role for a "design-only" mindset — this is about impact on business metrics. • We expect people to take initiative, move fast, and continuously improve the product. • 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. • Ruby Labs operates within the CET (Central European Time) zone. Applicants from any country are welcome to apply for the position as long as they are located within approximately ± 4 hours of CET. This ensures optimal collaboration and communication during working hours.
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