Marketing Data Scientist

HubSpot's Marketing Science team is hiring a Marketing Data Scientist to build predictive models that drive growth. You'll have ownership over how we model the entire customer journey — from first touch to expansion revenue. **What you'll do:** - Build propensity-to-buy models to prioritize marketing investments - Develop causal inference frameworks to measure the true lift from each channel - Run A/B tests from design through analysis, ensuring statistical rigor - Partner with product and engineering to productionize ML models - Communicate findings to senior leadership and influence roadmap decisions **What you need:** - PhD or MS in Statistics, Computer Science, Economics, or related field, or equivalent experience - Strong Python (pandas, scikit-learn, statsmodels) and SQL - Experience with causal inference methods (diff-in-diff, propensity scoring, IV) - Familiarity with marketing measurement concepts (MMM, MTA, incrementality) - Excellent written and verbal communication