Staff Data Scientist - Marketing ROI & Bidding AI

Preply; Barcelona; On-site; EUR 70,000 - 100,000; Full time

Benefits offered by this job

Relocation package to Barcelona Hub

Health insurance

Learning & Development budget

Time off for self-development

Equity

Job summary

Preply is expanding its Data Team to empower decision-making across marketing and product. This role focuses on data-driven bidding, audience modeling, and creative analytics to maximize channel ROI.

You’ll work with Python, SQL, Spark, and Databricks, collaborating with AI, MarTech, and analytics teams to design scalable data pipelines and predictive models. Barcelona relocation is offered for the right candidate.

Qualifications

• Proficient in Python and SQL with distributed data processing experience.
• Experience with marketing data and understanding how bidding platforms use signals.

Responsibilities

• Design and implement Creative Analytics framework for bid/creative optimization.
• Predict cohort maturity and conversion lag to optimize spend and timing.
• Improve bidding signals with value-based bidding in collaboration with channel managers.

Skills

Python

SQL

Spark

Databricks

Marketing data

A/B testing

Causal inference

Experiment design

Uplift modeling

Tools

Databricks

Spark

Job description

Preply is expanding its Data Team to empower decision-making across marketing and product. This role focuses on data-driven bidding, audience modeling, and creative analytics to maximize channel ROI.

You’ll work with Python, SQL, Spark, and Databricks, collaborating with AI, MarTech, and analytics teams to design scalable data pipelines and predictive models. Barcelona relocation is offered for the right candidate.