Job Overview
Location
European Union
Job Type
Full-time
Category
Product
Date Posted
May 28, 2026
Full Job Description
đź“‹ Description
- • Own the full conversion rate optimization (CRO) lifecycle: from research and hypothesis generation to high-fidelity UI/UX mockups, test implementation, and performance analysis — with no handoffs.
- • Run fast, iterative optimization cycles with a bias for shipping — prioritize launching two well-designed tests per week over one perfect test delayed by over-engineering.
- • Use AI tools daily to accelerate every stage of CRO work: research synthesis, ideation, mockup creation, data analysis, and documentation — integrating AI as a core workflow, not an optional add-on.
- • Conduct deep funnel analysis and competitive benchmarking to identify high-impact conversion opportunities across subscription and SaaS customer journeys.
- • Design detailed, brand-aligned UI/UX mockups that clearly communicate test concepts and drive stakeholder alignment without requiring design team intervention.
- • Collaborate directly with engineering teams to ensure accurate, rapid implementation of A/B and multivariate tests with minimal friction or delay.
- • Analyze test results with statistical rigor using tools like Google Analytics, Mixpanel, or Growthbook, and make confident scaling or iteration decisions based on data.
- • Maintain a continuously prioritized, data-driven testing roadmap that evolves with user behavior and business goals.
- • Document all learnings systematically to build institutional knowledge and prevent redundant testing.
- • Present insights and performance outcomes clearly to cross-functional stakeholders, translating complex data into actionable narratives that build momentum and buy-in.
- • Operate with full ownership: be accountable for outcomes, proactively identify bottlenecks, and drive solutions without waiting for direction.
- • Work within a merit-based environment where compensation is directly tied to measurable performance lifts and KPI overachievement.
- • Maintain fluent written and verbal English communication to collaborate effectively across global teams and document work with precision.
- • Work remotely within ±4 hours of Central European Time (CET) to ensure real-time collaboration during core working hours.
- • Embrace autonomy: implement your vision without bureaucratic delays, and operate with entrepreneurial freedom in a fast-moving, results-driven culture.
- • Leverage unlimited PTO and paid national holidays to maintain sustainable performance and well-being.
- • Use a company-provided MacBook to ensure seamless productivity and technical consistency across the team.
- • Operate under a flexible independent contractor agreement that offers tax advantages, reduced employment obligations, and full geographic freedom.
- • Contribute to a team that values speed, excellence, and measurable impact — where effort is matched with financial reward and rapid career advancement.
🎯 Requirements
- • 3+ years of hands-on CRO experience with documented performance lifts, ideally in subscription or SaaS funnels
- • Active, daily integration of AI tools into research, ideation, mockup creation, analysis, and documentation workflows
- • Strong UI/UX sensibility and ability to create high-fidelity, conversion-focused mockups independently
- • Proficiency in analytics platforms such as Google Analytics, Mixpanel, or Growthbook
- • Bias for shipping: proven ability to prioritize speed and iteration over perfection in fast-paced environments
- • Fluent English written and verbal communication skills
🏖️ Benefits
- • Merit-based compensation with substantial bonuses tied directly to exceeding KPI targets
- • Unlimited paid time off (PTO) to support well-being and work-life balance
- • Company-provided MacBook for all employees requiring one
- • Flexible independent contractor agreement offering tax advantages, autonomy, and remote freedom
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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