Conversion Rate Optimization, CRO Specialist

Role Overview

• Develop and execute A/B tests
• Direct impact on subscription growth
• Design and run strategic A/B tests
• Increase user acquisition, activation, and retention
• Collaborate closely with designers, developers, data analysts, and senior leadership
• Identify high-potential growth opportunities and turn insights into results
• Define and implement growth experiments across the entire funnel
• Ensure a clear experiment pipeline based on impact, effort, and learning value
• Translate testing concepts into high-quality experiments
• Use analytics, user research, competitive analyses, and best practices to identify opportunities and derive strong hypotheses
• Share experiment results, insights, and learnings transparently with the team and stakeholders

Requirements

• At least 2–4+ years of experience in Conversion Rate Optimization (CRO), website optimization, or growth-oriented roles.
• Proven track record designing and running experiments that led to measurable business results (e.g., higher conversion rates, increased revenue).
• Experience in high-velocity testing environments and a drive to continuously increase experimentation velocity without losing quality or learning value.
• Strong analytical skills and hands-on experience interpreting quantitative data with tools like GA4, Amplitude, or Power BI.
• Strong conceptual thinking with the ability to structure and prioritize experiments around strategic growth goals.
• Solid knowledge of Figma or a comparable design tool is required; ability to independently develop high-quality test concepts in multiple variants is also required.
• 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 familiarity with additional research/UX tools like Hotjar.
• Very good English language skills (written and spoken).
• Desirable (not required): very good German language skills to better understand customer needs in the DACH market.

Benefits

• Flexibility: flexible working hours, remote-first work model, ability to work from EU countries for 180 days/year
• Mobile equipment: laptop, headset, monitor + €100 equipment allowance
• Mobility: subsidy for public transport tickets, Swapfiets bikes
• Community: regular team events, remote or on-site in Berlin
• Volunteering & extra days: two paid days/year for volunteering + days off on Christmas Eve & New Year’s Eve
• Wellbeing: Urban Sports Club, gym memberships, access to Bloom
• Discounts: FutureBens, Corporate Benefits, discounts on sofatutor products
• Flexible additional benefits: givve benefits card