Senior Data Scientist

October 9, 2026

Office

Senior

Barcelona

May rule you out

Office-only work

Description

Preply is a unicorn EdTech marketplace connecting tutors and learners across 180 countries. In this Senior Data Scientist role you join a cross-functional squad and deliver data-driven insights that shape product and business decisions. The team runs hundreds of A/B tests against a complex subscription model. The scope covers experimentation, retention analysis, KPI definition and roadmap prioritization.

Responsibilities

Develop a deep understanding of product dynamics, including user behavior and marketplace economics
Gather and analyze data to uncover valuable insights that shape product evolution and strategy
Analyze customer behavior and product usage, improve understanding of retention drivers and communicate findings to technical and non-technical stakeholders
Quantify and model the impact of new product features and initiatives, identifying growth opportunities and contributing to roadmap prioritization
Help define key performance indicators, tracking events and engagement metrics aligned with business goals
Design, execute and evaluate large-scale experiments to test new ideas and measure their business outcomes
Build strong relationships with data and technical leaders to drive cross-team initiatives

Requirements

Experience in data analytics working with product teams, experimenting and uncovering opportunities for product optimization
Experience designing and analyzing A/B tests with a strong grasp of relevant statistical concepts
Strong understanding of data analysis concepts such as conversion, LTV, cohort analysis, retention
Proficiency in one or more programming languages such as SQL and Python, with the ability to write efficient and scalable code
Curiosity, problem-solving and critical-thinking skills, as well as the ability to proactively identify and address challenges
Ability to craft compelling stories with data and communicate complex insights in a clear and engaging way
Interest in the bigger picture and in impacting the product roadmap and strategy

Conditions

Open, collaborative, dynamic and diverse culture
Generous monthly allowance for lessons plus Learning & Development budget and self-development time off
Competitive financial package with equity, leave allowance and health insurance
Attractive relocation package to join the Preply Barcelona Hub
Access to free mental health support platforms
Access to Gympass-partnered wellness and gym centers throughout Spain

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