At Preply, we are unlocking human potential through learning. We believe learning with a great tutor is life-changing. That's why we match online tutors from across the globe with learners and empower them to create live language classes with AI-powered tools and learning materials. This is how we deliver progress, create engagement and keep our global community of learners motivated. Meet the team! The Experimentation Squad owns the whole infrastructure and framework used to make business-vital decisions. We define the framework, including evaluation criteria, target metrics, and available test types. We analyze performance using multiple holdout groups and push product management in the right direction. Finally, we improve the company's experimentation culture and education. What you'll be doing: Unlock the potential of product and marketing teams by researching and implementing new approaches for hypothesis testing; Identifying and designing value-adding insights solutions, leveraging data to optimize our strategy; Establish credibility and quality of the experimentation framework; Quantify the impact of product and marketing development and initiatives to identify growth opportunities; Level up the experimentation culture across the company; Support engineers to build and maintain high-quality data pipelines; Collaborate with product teams to tackle technical issues with A/B testing; Collaborate with marketing teams to measure the impact of budget changes. What you need to succeed: Extensive experience in the data science & analytics field (5+ years' experience); Experience in product or marketing experimentation; Strong curiosity, problem-solving, and problem-finding skills; Solid SQL experience and strong knowledge of Python; Good understanding of statistical analysis concepts; Eagerness to take responsibility for systems impacting decision-making; Passion for analyzing data to inform decisions; Willingness toeducate colleagues; Excellent written and verbal communication skills. Fluent English is a must. Nice to have: Experience applying advanced experimentation; Knowledge of Airflow, Redshift, or other Data Warehouse DBs; Knowledge of Looker, Amplitude, Databricks, or other BI tools. Why you'll love it at Preply: An open, collaborative, dynamic and diverse culture; A generous monthly allowance for lessons on Preply.Com; A competitive financial package with equity, leave allowance and health insurance; Not in Barcelona? We offer an attractive relocation package; Access to freemental health support platforms; Access to Gympass-partnered wellness and gym centers; The opportunity to unlock the potential of learners and tutors through language learning. Diversity, Equity, and Inclusion Preply is committed to creating a diverse and inclusive environment where people from all backgrounds can thrive. #J-18808-Ljbffr