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Nord SecurityPosted 1 month ago

App Marketing CRO Manager | Mid-Senior

$300,000–$528,000 year

RemoteLithuania or Vilnius, Vilnius, Lithuania

Full TimeSenior LevelLarge

Job Summary

Develop data-driven hypotheses for in-app A/B tests across key marketing funnels including onboarding, paywall, upsell, and retention while maintaining a structured testing roadmap. Plan, prioritize, and manage the full A/B testing lifecycle from hypothesis design through execution to results analysis, defining success metrics and KPIs for each test. Work cross-functionally with designers, developers, analysts, and marketing stakeholders to scope, build, and launch experiments, ensuring proper data tracking and instrumentation. Monitor live experiments for data quality and statistical significance, proactively flagging blockers that could delay launches or compromise results. Analyze test outcomes to synthesize findings into clear, actionable recommendations and communicate status to relevant stakeholders throughout the process. Create and maintain comprehensive documentation for each experiment covering hypothesis, setup, audience, duration, results, and next steps.

Required Qualifications

  • Experience in digital marketing, CRO, or growth — with hands-on A/B testing involvement
  • Solid understanding of experimentation methodology: hypothesis design, sample sizing, statistical significance, common pitfalls
  • Familiarity with mobile app development processes and release cycles
  • Experience working with analytics and tracking tools (e.g., Amplitude, Firebase, Mixpanel or similar)
  • Strong communication skills (verbal and written) — able to translate test results into clear narratives for both technical and non-technical audiences
  • Data-driven decision-making mindset with strong analytical thinking
  • Rigorous attention to detail, especially around data accuracy and test setup
  • Ability to manage multiple experiments in parallel in a fast-paced environment
  • Self-motivated and self-managing — comfortable owning the process end to end
  • Solid organizational skills, including prioritization, time management, and stakeholder alignment

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