Data Scientist (Marketing Science)

Location: London, United Kingdom. Hybrid role with teams in the office around four days a week. This is a UK-based role and requires the right to work in the United Kingdom.

Company

hirify.global is WPP's AI-driven media operating unit, combining media, data, partnerships, and marketing intelligence to improve advertising outcomes for leading brands.

What you will do

• Develop and maintain AI and machine learning algorithms for media buying optimisation across campaign KPIs.
• Create audience segmentation, addressability, and targeting models across multiple targeting keys.
• Build forecasting models, campaign measurement methodologies, and A/B testing approaches.
• Apply yield management strategies to maximise supply utilisation across addressable TV.
• Generate actionable insights for campaign planning, media strategy, and budget allocation.
• Present analytical findings as clear commercial recommendations to clients and senior stakeholders.

Requirements

• Mid-level data science experience, typically around 3+ years; junior candidates with a couple of years of relevant professional experience may be considered for progression.
• Strong Python and SQL skills and experience working with large, imperfect datasets.
• Experience with supervised machine learning for classification and regression, forecasting, and uncertainty quantification.
• Knowledge of experimental design, causal inference, quasi-experimental methods, geographic experimentation, and test-and-control approaches.
• Experience with audience and customer segmentation, budget allocation, channel mix, marketing mix modelling, saturation, and diminishing returns.
• Must have the right to work in the United Kingdom.

Nice to have

• Experience with cloud platforms and model deployment.
• Experience with Streamlit, Dash, Power BI, or Tableau.
• Experience building reusable, documented self-service analytical tools.

Culture & Benefits

• Open and inclusive environment focused on trust, respect, collaboration, and professional growth.
• Opportunities to use global hirify.global and WPP networks for professional connections and learning.
• Employee resource groups and frequent in-office events.
• Medical, retirement, vision, and dental insurance.
• Paid time off, partner discounts, and employee mental health awareness days.

Hiring process

• Only shortlisted candidates will be contacted for an interview.
• Accommodation or flexibility needs can be discussed during the interview process.