Job Overview
Location
Ukraine
Job Type
Full-time
Category
Design
Date Posted
May 6, 2026
Full Job Description
đź“‹ Description
- • UX Lead (Product & Growth) at Ruby Labs Ltd., a leading tech company creating innovative consumer products in health, education, and entertainment, where you will own UX strategy, design quality, and research practice as a core driver of product and business performance.
- • You will take full ownership of UX and user journeys, turn UX into a measurable growth lever by improving activation, retention, and conversion, work closely with Product and Growth to optimize funnels and onboarding, and audit and improve the end-to-end user journey from acquisition to long-term retention.
- • Ruby Labs is a fast-paced, high-ownership, high-standards environment where design is implemented directly in frontend and UX research lacks structure — you will change that by establishing systems, leading designers and frontend engineers, and defining a scalable design system.
- • You will establish a structured research practice, translate insights into actionable decisions, lead and level up the existing UX researcher, validate changes through A/B testing, and directly influence growth metrics by connecting UX decisions to business outcomes like LTV, retention curves, and conversion rates.
🎯 Requirements
- • Strong, hands-on ability to analyze product data independently using tools like Mixpanel, GA4, or Amplitude, including pulling funnels and interpreting cohort and retention data.
- • Experience designing and running A/B tests end-to-end using tools like GrowthBook or Optimizely, with ability to define hypotheses, experiments, and success metrics.
- • Demonstrated experience driving measurable improvements in retention, activation, or LTV, with strong understanding of conversion funnels and user behavior at scale.
- • 5–8+ years in UX, Product Design, or design leadership, ideally in D2C, SaaS, or consumer digital products, with experience in fast-paced, growth-oriented environments.
- • Proven ability to conduct user research (interviews, surveys, usability tests) and translate qualitative and quantitative insights into prioritized, actionable product decisions.
- • Experience leading or managing designers, setting design direction, reviewing work, and defining and maintaining a consistent, high-quality design system implemented directly in frontend.
🏖️ Benefits
- • Fully remote work arrangement.
- • Competitive remuneration with performance-based bonus upside.
- • Real leadership scope to shape both the product and the team.
- • Direct influence on a product used by hundreds of thousands of users, where every UX improvement is measurable.
Skills & Technologies
About Ruby Labs Ltd.
Ruby Labs Ltd. is a London-based product studio that builds and scales consumer subscription mobile and web applications. The company focuses on health, wellness, and productivity verticals, developing apps such as Hint, Able, and the award-winning fitness platform FitCoach. Using data-driven growth and proprietary technology, Ruby Labs rapidly prototypes, launches, and iterates products to serve millions of global users. The team combines engineering, product design, and performance marketing expertise to create sustainable digital businesses. Founded in 2018, Ruby Labs operates a portfolio of self-funded apps, emphasizing user privacy, scientific validation, and long-term customer value.
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