Staff Data Scientist

The role

You will own the data strategy for a critical product domain and act as a senior analytical authority. You will partner with leadership to shape long-term strategy and ensure the roadmap is grounded in measurement frameworks.

What you will do

• Develop strategic understanding of key value drivers like user behavior and marketplace dynamics.
• Define long-term measurement and experimentation strategy for your domain.
• Design and execute the experimentation programme and evaluate large-scale experiments.
• Lead deep analytical investigations into customer behavior and retention dynamics.
• Own impact modeling and scenario analysis for major product initiatives.
• Own the definition and governance of key metrics within your domain.
• Act as a senior thought partner to product, engineering, and data leaders.
• Lead cross-domain analytical initiatives such as company-wide LTV modeling and pricing strategy.

Required qualifications

• Track record of influencing product or business strategy in complex environments.
• Expertise in experimentation and causal inference.
• Strong understanding of subscription and marketplace economics.
• Technical proficiency in SQL and Python.
• Experience mentoring and technically guiding senior data scientists.
• Curiosity, problem-solving and critical-thinking skills.
• Ability to influence Directors and VP-level stakeholders.

Nice to have

• Background in 2-sided marketplaces or digital businesses (B2C, B2B2C).
• Experience with product analytics tools (e.g. Amplitude, Mixpanel, Heap).
• Experience applying advanced analytical methods to drive structural business improvements.
• Familiarity with data visualization tools (e.g. Tableau, Looker, Power BI).
• Master's degree or PhD in a quantitative field.
• Demonstrated experience developing Senior Data Scientists and contributing to raising the analytical bar across teams.

Benefits

• Open, collaborative, dynamic, and diverse culture
• Generous monthly allowance for lessons on Preply.com
• Learning & Development budget
• Time off for self-development
• Competitive financial package with equity
• Leave allowance
• Health insurance
• Access to free mental health support platforms

About the company

Preply is a category-defining company that helps people discover tutors and craft personalised learning journeys. They have reached unicorn status with a $150M Series D.