£450/day to £480/day
London, England
Contract, Variable

Senior Data Scientist

Posted by Harnham - Data & Analytics Recruitment.

Job Opportunity: Marketing & Data Science - Measurement & Modelling

Location: Hybrid (2 days per week in office for first month, flexible after)
Duration: 3 months initially
Rate: £450-480/day (Outside IR35)
Commute: 2 hours by train from Central London

Role Overview:
This role focuses on marketing effectiveness and data science in the retail industry, with a strong emphasis on email campaign measurement, incremental value, and experimentation. The main responsibilities include finalising the Marketing Mix Modelling (MMM) framework, completing the A/B testing framework, and automating marketing analytics processes. The ideal candidate will have experience in causal inference, MMM, and experimentation.

Key Responsibilities:

  • Finalising the MMM framework and modelling (70% complete)
  • Building out the A/B testing framework
  • Automating marketing analytics processes, particularly around experimentation
  • Handling complex data and working with incomplete data
  • Measuring campaign impact and refining marketing strategies

Tech Stack:

  • Core: Databricks, SQL, Python, PySpark
  • Nice to Have: R, dashboarding tools

Ideal Candidate:

  • 4-5 years of commercial experience in data science, preferably in an eCommerce or marketing analytics environment
  • Proven experience in causal inference, MMM, and experimentation
  • Strong communication skills and the ability to explain data-driven insights

Interview Process:

  • Stage 1: Technical assessment
  • Stage 2: Knowledge-based interview
We use cookies to measure usage and analytics according to our privacy policy.