Senior Growth Data Scientist

Hybrid Full TimeBarcelona, Catalonia, SpainSmadex

Role Overview

As a Senior Growth Data Scientist, you will actively drive revenue growth and advertiser success across our global platform. You will transform massive behavioral datasets into scalable growth strategies, rigorous incrementality frameworks, and high-impact client insights.

What You Will Do

Own the analytical strategy for campaign optimization and advertiser growth, design and execute advanced measurement and experimentation methodologies, and partner directly with top-tier advertisers and internal commercial leads.

Why It Might Be a Fit

We are looking for an autonomous, commercially minded data leader who thrives in ambiguity and turns complex programmatic data into measurable business outcomes.

Requirements

  • 5+ years of proven experience as a Growth Data Scientist, Marketing Data Scientist, or Senior Data Analyst in high-growth tech, mobile ecosystems, or ad-tech.
  • Bachelor’s or Master’s degree in a highly quantitative field (Mathematics, Statistics, Computer Science, Data Science, or Economics).
  • Advanced proficiency in Python and SQL.
  • Deep expertise in statistical modeling, hypothesis testing, causal inference, and incrementality measurement.
  • Exceptional verbal and written communication skills in English.

Benefits

  • Great compensation package
  • Top location at the heart of Barcelona with a rooftop terrace, barbecue, and a fully stocked fridge
  • Great work-life balance: work from home (2 days per week), flexible hours
  • Private Health Insurance
  • Meal vouchers – Ticket Restaurant monthly allowance
  • Monthly gym allowance: Choose between DiR and Wellhub
  • LinkedIn Learning and training opportunities
  • Monthly TGIF events
  • Regular team-building events

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To apply for this job please visit smadexslu.applytojob.com.

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