Data Scientist - Marketing

Preply; Barcelona; On-site; EUR 90,000 - 140,000; Full time

Benefits offered by this job

Monthly allowance for lessons

Learning & Development budget and time

Competitive financial package with EQU

Relocation package to join the Barça/B

Free mental health support platforms

Gympass-partnered wellness and gym in/

Job summary

Preply is seeking a senior analytics leader to own and globalize the Marketing Mix Model, automating budget allocation and translating outputs into actionable budget decisions for marketing and Finance. The role requires Bayesian MMM expertise and hands-on data science tooling.

You will define the testing roadmap, run incrementality experiments, and build a unified measurement framework across MMM, attribution, and incrementality while collaborating with Data Engineering to scale pipelines.

Qualifications

• Experience building or owning a marketing mix model that guided budgets.
• Strong Bayesian statistics applied to MMM and causal inference.
• Experience turning measurement outputs into actionable language for marketing and Finance.
• Experience designing and evaluating incrementality tests and A/B experiments.
• Strong Python and SQL skills.
• Advanced written and verbal English.

Responsibilities

• Own and expand the Marketing Mix Model from its current US model to a global hierarchical setup, and turn it into an automated platform for budget allocation.
• Translate model outputs into budget decisions and channel strategy in partnership with performance marketing and Finance.
• Set the testing roadmap for the model, and design and run incrementality tests, including geo experiments and other causal inference methods.
• Design a unified measurement framework connecting MMM, attribution, and incrementality.
• Extend causal inference methods beyond marketing for Finance and Product impact measurement.
• Work with Data Engineering to build scalable pipelines and evolve the ETL as the modeling stack grows.

Skills

Marketing mix modeling

Bayesian statistics

Incrementality testing

Python

SQL

English

Education

PhD in mathematics, economics, statistics, or equivalent

Tools

PyMC

Stan

Meridian

Robyn

Job description

Описание:

Preply provides online learning experiences that connect learners with tutors. Its platform supports personalized learning journeys across more than 30 markets, with tutors teaching over 90 languages to learners in 180 countries.

Задачи:

• Own and expand the Marketing Mix Model from its current US model to a global hierarchical setup, and turn it into an automated platform for budget allocation


• Translate model outputs into budget decisions and channel strategy in partnership with performance marketing and Finance


• Set the testing roadmap for the model, and design and run incrementality tests, including geo experiments and other causal inference methods


• Design a unified measurement framework connecting MMM, attribution, and incrementality


• Extend causal inference methods beyond marketing for Finance and Product impact measurement


• Work with Data Engineering to build scalable pipelines and evolve the ETL as the modeling stack grows

Требования:

• Hands-on Marketing Mix Model experience, including testing multiple approaches to develop a robust, defensible model


• Strong grounding in Bayesian statistics applied to MMM and causal inference


• Built or owned at least one marketing mix model, geo-experimentation program, or other causal measurement system that steered real budget


• Experience turning measurement outputs into actionable language for marketing and Finance


• Experience designing and evaluating incrementality tests and A/B experiments


• Strong Python and SQL skills


• Advanced written and verbal English


• Будет плюсом: a PhD in mathematics, economics, statistics, or a similar field, or equivalent applied experience; causal inference techniques such as geo-lift testing, causal impact, synthetic control, or difference in differences; PyMC, Stan, Meridian, Robyn, or similar tools; experience in marketplaces or digital businesses, ideally in performance marketing

Условия:

• Monthly allowance for lessons


• Learning & Development budget and time off for self-development


• Competitive financial package with equity, leave allowance, and health insurance


• Relocation package to join the Barcelona Hub


• Free mental health support platforms


• Access to Gympass-partnered wellness and gym centers throughout Spain