Job Overview
Location
Serbia
Job Type
Full-time
Category
Data Science
Date Posted
June 13, 2026
Full Job Description
đź“‹ Description
- • Own the end-to-end lifecycle of a D2C subscription product funnel, from zero to live, including market research, offer design, copywriting, wireframing, and launch execution.
- • Conduct competitive teardowns of rival funnels to extract structural insights and design superior user experiences that drive higher conversion rates.
- • Define value propositions, pricing hypotheses, and funnel architecture independently, using data to validate assumptions before build.
- • Build and ship high-converting web funnels using AI tools (e.g., Claude or equivalent) to rapidly generate copy variants, UX concepts, and functional prototypes.
- • Create clear, actionable specs for design and engineering teams, owning quality control, tracking implementation, and ensuring launch readiness.
- • Develop acquisition angles, hooks, and messaging for paid social campaigns in close collaboration with the creative team.
- • Translate funnel performance and audience insights into optimized ad creative concepts that improve customer acquisition efficiency.
- • Design and execute an A/B testing roadmap prioritized by expected revenue impact, focusing on CVR and ARPU growth through pricing, flow, and retention mechanics.
- • Analyze drop-off points and friction in user journeys using Mixpanel for funnel and cohort-level reporting, identifying actionable improvements at the event level.
- • Operate with full ownership — no hand-holding — taking funnels from initial concept through production without reliance on external direction.
- • Build repeatable, scalable systems for research, launch, and experimentation to ensure consistent performance across multiple funnels.
- • Communicate findings clearly and concisely to product, creative, data, and leadership stakeholders, grounding all conclusions in data, not intuition.
- • Use AI tooling as a core part of daily workflow to accelerate concept development, copy iteration, and prototype generation.
- • Maintain rigorous analytical discipline: reject effort-based narratives and demand measurable impact from every experiment and decision.
- • Work within CET timezone (±4 hours) to ensure real-time collaboration with the growth squad, Head of Product, creative, and analytics teams.
- • Deliver measurable results: every funnel must show verifiable conversion improvements and revenue impact post-launch.
- • Continuously iterate on funnel performance by feeding insights back into acquisition strategy, creative direction, and product offering.
🎯 Requirements
- • 2+ years in growth product management, CRO, or funnel ownership with verifiable conversion results
- • Track record building and launching at least one web funnel from zero to live, with measurable results
- • Competitor research and teardown work that directly shaped a shipped funnel
- • Strong funnel copywriting and offer-development skills — able to write and structure a funnel independently
- • Experience developing acquisition angles or creative concepts for paid social
- • Hands-on proficiency in Mixpanel: funnel builds, cohort analysis, and event-level reporting
- • Active daily use of AI tools (Claude or equivalent) to accelerate concept, copy, and prototype work
🏖️ Benefits
- • Remote Work Environment: Embrace the freedom to work from anywhere, anytime, promoting a healthy work-life balance
- • Unlimited PTO: Enjoy unlimited paid time off to recharge and prioritize your well-being, without counting days
- • Paid National Holidays: Celebrate and relax on national holidays with paid time off to unwind and recharge
- • Company-provided MacBook: Experience seamless productivity with top-notch Apple MacBooks provided to all employees who need them
- • Flexible Independent Contractor Agreement: Unlock the benefits of flexibility, autonomy, and entrepreneurial opportunities, including tax advantages, networking opportunities, and reduced employment obligations
Skills & Technologies
See exactly how your profile matches this role — strengths, skill gaps, and what to do about them.
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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