Marketing Data Scientist

Headquarters: Remote URL: https://www.toptal.com/ Job Description We are seeking a Marketing Data Scientist to support and enhance internally built marketing ROI and analytics platform. This role focuses on analyzing marketing effectiveness, optimizing ad spend, and building scalable data science solutions using Python and statistical modeling techniques. The ideal candidate will have experience working with time series data, marketing analytics, and modern Python data science libraries, along with strong software engineering fundamentals. Tasks & Responsibilities Develop and maintain marketing ROI and analytics models Analyze marketing and sales data to measure channel performance and advertising effectiveness Partner with business stakeholders to address questions, review model outputs, and identify key business drivers behind marketing performance results Work with Bayesian and linear models to evaluate marketing contribution and ROI Support and improve Streamlit-based applicati