MMM Data Scientist Contractor

Data Scientist Contractor

£500-600pd Outside IR35

3 months

We are working with a leading consultancy that is looking for an experienced Marketing Mix Modelling (MMM) Data Scientist to join on a contract basis. This role will focus on delivering robust marketing effectiveness and ROI insights for high-profile clients across multiple sectors.

The Role

As an MMM Data Scientist, you will play a key role in designing, building, and validating marketing mix models to inform strategic marketing decisions. You will work closely with consultants, client stakeholders, and analytics teams to translate complex data into clear, actionable recommendations.

Key Responsibilities

  • Design and build Marketing Mix Models to measure marketing effectiveness and ROI

  • Analyse large, complex datasets covering media spend, sales, and external factors

  • Apply statistical and econometric techniques to model impact and attribution

  • Use Python and/or R to develop, test, and deploy models

  • Use SQL to extract, transform, and analyse data from multiple sources

  • Support scenario planning, forecasting, and budget optimisation

  • Present insights and recommendations clearly to non-technical stakeholders

  • Collaborate with consulting teams to deliver high-quality client outputs

Required Skills & Experience

  • Proven experience as an MMM Data Scientist or Marketing Analytics Consultant

  • Strong understanding of marketing mix modelling, attribution, and causal inference

  • Hands-on experience with Python and/or R for statistical modelling

  • Strong SQL skills for data extraction and manipulation

  • Experience working with marketing and media data (digital & offline channels)

  • Ability to communicate complex analysis clearly and confidently

  • Experience working in a consulting or client-facing environment

  • Comfortable working as a contractor in fast-paced project settings

Nice to Have

  • Experience working with large brands or multi-market models

  • Familiarity with Bayesian MMM or advanced econometric approaches

  • Experience with cloud data platforms or marketing analytics tools

  • Background in retail, FMCG, tech, or financial services

Apply Now
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Job Details

Company
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Salary
£500 - £600 per day
Posted