Design and run A/B tests that directly impact subscription growth for one of Europe's leading EdTech platforms – 1M+ users, real experiments, measurable results.
We’re looking for a (Senior) Conversion Rate Optimization (CRO) Specialist (gn) to join our Product Growth Team and help drive one of sofatutor’s most important goals: turning more parents into customers who trust us to support their children’s learning journey. In this role, your work will have a direct and measurable impact on the company’s success. By designing and running smart, strategic A/B tests, you’ll help increase user acquisition, activation, and retention across our subscription-based learning products. You’ll collaborate closely with designers, developers, data analysts, and senior leadership to uncover high-potential growth opportunities and turn insights into real results.
100% remote (EMEA) | 32-40h/week
Your Tasks:
* Define and implement growth experiments across the funnel — from hypothesis to launch and evaluation.
* Maintain a clear pipeline of experiments based on impact, effort, and learning value.
* Collaborate closely with design, engineering, and key stakeholders to translate testing concepts into high-quality experiments.
* Leverage analytics, user research, competitor insights, and best practices to identify opportunities and build strong hypotheses.
* Share experiment results, insights, and learnings transparently with the team and stakeholders to drive alignment and continuous improvement.
* A minimum of 2 – 4+ years of experience in conversion rate optimization (CRO), website optimization, or growth-focused roles.
* A strong track record of designing and executing experiments that resulted in measurable business outcomes (e.g., increased conversion rates, revenue uplift).
* Experience working in high-velocity testing environments and a drive to continuously improve experimentation speed without sacrificing quality or learning value.
* Advanced analytical capabilities with hands-on experience interpreting quantitative data from platforms such as GA4, Amplitude, or Power BI.
* Strong conceptual thinking, with the ability to structure and prioritize experiments around strategic growth objectives.
* Excellent communication skills in English, with the ability to present insights and strategies clearly to stakeholders across functions and seniority levels.
* Experience with A/B testing tools (e.g., Convert) and familiarity with complementary insight tools (e.g., Hotjar).
* Preferred qualifications (not required): German language skills to better understand customer needs in DACH markets.
What we offer:
Pick the benefits that matter to you:
* Flexible Work: Flexible hours, remote-first, up to 180 days/year from EU.
* Remote Setup: Laptop, headset, monitor + €100/2yrs for home office.
* Mobility: Public transport subsidy or Swapfiets bike.
* Team Events: Regular meetups – online and in Berlin.
* Extra Time Off: 2 paid volunteering days + Dec 24 & 31 off.
* Wellbeing: Urban Sports Club or gym + free access to Bloom.
* Discounts: FutureBens, Corporate Benefits, family discounts on sofatutor.
* givve Card: Tax-free monthly perks, flexible regional use.
At sofatutor, we are committed to continuously developing an inclusive work environment that supports your growth - regardless of gender, marital status, sexual orientation, religious beliefs, age, disability, education, or ethnicity. We’d love for you to join us in shaping this together!