Senior Conversion Rate Optimization (CRO) Specialist

Role Overview

• Define and implement growth experiments across the entire funnel — from hypothesis to rollout and evaluation.
• Maintain a clear pipeline of experiments based on impact, effort and learning value.
• Collaborate closely with design, engineering and relevant stakeholders to translate testing concepts into high-quality experiments.
• Use analytics, user research, competitive analysis and best practices to identify opportunities and derive strong hypotheses.
• Share results, insights and learnings from experiments transparently with the team and stakeholders to promote alignment and continuous improvement.

Requirements

• At least 2–4+ years of experience in Conversion Rate Optimization (CRO), website optimization or growth-focused roles.
• Proven track record designing and running experiments that produced measurable business results (e.g. increased conversion rates, higher revenue).
• Experience in high-velocity testing environments and a commitment to continuously increasing experimentation velocity without sacrificing quality or learning value.
• Strong analytical skills and hands-on experience interpreting quantitative data with tools such as GA4, Amplitude or Power BI.
• Strong conceptual thinking with the ability to structure and prioritize experiments around strategic growth goals.
• Excellent communication skills in English to clearly convey insights and strategies to stakeholders across functions and seniority levels.
• Experience with A/B testing tools (e.g. Convert), and ideally with additional research/UX tools such as Hotjar.
• Very good English skills (written and spoken).
• Desirable (not required): Very good German skills to better understand customer needs in the DACH market.

Benefits

• Flexible working: Flexible working hours and our remote-first model (including the option to work from other EU countries for up to 180 days per year) so you can shape your day to suit your life.
• Support for mobile working: Receive up to €100 every two years as a subsidy for home office equipment to optimize your remote setup. Basic technical equipment such as laptop, headset, monitor etc. is provided by us.
• Mobile & independent: Subsidies for public transport tickets or Swapfiets keep you flexible on the move — whether in Berlin or other cities.
• Community & events: Team spirit matters to us! Look forward to regular events, both virtual and in-person in Berlin.
• Volunteering & extra days off: Two additional days off per year for your civic engagement — plus days off on Christmas Eve and New Year’s Eve.
• Fitness & mental health: Stay active with an Urban Sports Club or gym membership. The Bloom platform is available free of charge for your mental wellbeing.
• Attractive discounts: Benefit from discounts via FutureBens and Corporate Benefits, plus discounts for family & friends on our learning offerings.
• Flexible additional benefits: Use the givve benefits card to access tax-free extras flexibly in your region.