CRO Manager

Ruby Labs
Ukraine, North Macedonia, Turkey, EU, Serbia, Georgia
Workplace: RemoteFull timeFunction: Marketing & GrowthExperience: 3+ yearsSkills: ["Clear written communication","Mentoring","High ownership","Proactive collaboration","Documentation discipline"]

Own conversion growth for a core D2C subscription product by running a continuous pipeline of A/B tests—from hypothesis and prioritization to launch, statistical analysis, and documented verdicts. Partner with a CRO Lead, data team, product, and engineering to analyze funnel drop-offs in Mixpanel, segment by device and locale, write clear test specs, and produce compliant conversion copy and layout variants. Mentor a junior CRO specialist and report learnings to leadership.

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FursaFursa
Ruby Labs
Ruby Labs
3 days ago

CRO Manager

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Last checked: 1 hour agoStatus: Live

Job Summary

Own conversion growth for a core D2C subscription product by running a continuous pipeline of A/B tests—from hypothesis and prioritization to launch, statistical analysis, and documented verdicts. Partner with a CRO Lead, data team, product, and engineering to analyze funnel drop-offs in Mixpanel, segment by device and locale, write clear test specs, and produce compliant conversion copy and layout variants. Mentor a junior CRO specialist and report learnings to leadership.
Location: Ukraine, North Macedonia, Turkey, EU, Serbia, Georgia
Workplace: Remote
Employment Type: Full time
Job Function: Marketing & Growth
Seniority: Mid level

Key Responsibilities

  • •Own an A/B test backlog end-to-end: hypothesis, prioritization by impact/confidence/effort, and launch so traffic is continuously used for learning.
  • •Analyze the funnel in Mixpanel to identify drop-offs, friction points, and segment-specific opportunities across devices and locales.
  • •Evaluate experiment results with statistical rigor, separate winners from noise, and prepare clear verdicts for sign-off with the data team.
  • •Write test specifications and variant briefs for developers; QA variants before and after launch.
  • •Document every test in Notion (hypothesis, setup, results, learning) and mentor a junior CRO specialist on experimentation standards.

Pay and Benefits

Perks:Remote WorkPaid Leave

Key Requirements

  • •3+ years running A/B tests on a D2C subscription or consumer web product, with results you can attribute to your own work.
  • •Hands-on proficiency in Mixpanel (or close equivalent) for funnels, segmentation by device and geography, and cohort behavior.
  • •Working knowledge of statistics for experimentation, including significance, power, sample size, and common pitfalls like peeking.
  • •Experience with a feature-flag or A/B testing platform such as GrowthBook or Statsig (or close equivalents).
  • •Ability to write and critique conversion copy and page layouts with grounding in behavioral psychology.
Experience:3+ yearsD2C subscriptionConsumer web
Skills:Clear written communicationMentoringHigh ownershipProactive collaborationDocumentation discipline
Tech Stack:A/B testingMixpanelGrowthBookStatsigFeature flagsNotionClaude

Company Brief

Ruby Labs
Builds custom software products, platforms, and digital solutions for businesses, focusing on modern web and mobile development, UX design, and engineering consultancy to accelerate product delivery and technical strategy.
Industry: Professional Services
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