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Preply

Staff Data Scientist – Paid Marketing Optimization

Preply

. Design, own and develop the Creative Analytics Framework and creative performance modeling .

Posted 10/14/2026full-timeBarcelona • SpainLeadWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in Creative Analytics Framework development, advanced modeling techniques, and collaboration with cross-functional teams to drive marketing efficiency and optimize performance. Proficient in Python, SQL, and distributed frameworks for data analysis and automation.

Highest-signal resume keywords
Python ProgrammingSQL ProficiencyAdvanced ModelingCausal InferenceA/B Testing

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
Creative Analytics FrameworkPerformance ModelingPropensity ModelsUplift ModelsExperiment DesignData AnalysisMarketing Data ScienceMachine LearningRecommender SystemsAutomated Reporting
Soft Skills
CollaborationProblem-SolvingCommunication
Tools & Technologies
SparkDatabricksMarTechETL ToolsBidding Platforms
Industry Keywords
Marketing EfficiencyAttribution DataCreative PerformanceIncremental ValueConversion Prediction

Tech Stack

Tools & technologies
ETLPythonSparkSQL

About the role

Key responsibilities & impact
  • Design, own and develop the Creative Analytics Framework and creative performance modeling
  • Drive creative analytics findings into decisions with creative and media-buying teams
  • Automate detection, reporting and action with MarTech
  • Build models separating creative causal impact from algorithmic delivery decisions
  • Predict conversion lag and connect current spend to future conversions
  • Improve predicted conversion value signals sent to Google and Meta
  • Optimize funnel events and prediction signals for bidding platforms
  • Create customer uplift models to identify incremental value and improve marketing efficiency
  • Build prospecting seeds, remarketing audiences and exclusion lists
  • Collaborate with Data Engineering and Applied AI on scalable data pipelines, ETL evolution, tools and frameworks
  • Partner with the MarTech Product Manager, marketers, tech leads and Data Strategy team

Requirements

What you’ll need
  • Python, SQL and a distributed framework like Spark; Databricks
  • Experience with marketing or attribution data
  • Working understanding of how bidding platforms consume signals
  • Advanced modeling, including propensity models and uplift models
  • Causal inference and experiment design
  • Ability to turn business hypotheses into testable approaches
  • Comfort working across teams without direct control
  • Experience from marketing data science, ads machine learning, recommender systems, or applied machine learning where model output fed another algorithm
  • Based in Barcelona or willing to relocate with company support
  • Experience with A/B testing on large datasets

Benefits

Comp & perks
  • A 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
  • Attractive relocation package to join the Preply Barcelona Hub
  • Free mental health support platforms
  • Gympass-partnered wellness and gym centers throughout Spain