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Principal Data Scientist

JR United Kingdom
City of London
2 weeks ago
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Principal Data Scientist, london (city of london)

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Client:Location:

london (city of london), United Kingdom

Job Category:

Other

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EU work permit required:

Yes

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Job Views:

2

Posted:

22.08.2025

Expiry Date:

06.10.2025

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Job Description:

Lead/Principal Data Scientist

London – Hybrid (3 days a week)

Our client is a precision marketing agency, leveraging data, technology, and creativity to fuel client growth. As part of their Marketing Sciences Data Science Team, you’ll play a pivotal role in revolutionising marketing strategies through cutting-edge Data Science and Machine Learning solutions.

This is still a largely hands on role, with around 20% team leadership.

What You’ll Do

  • Oversee data science projects, guide junior team members, and drive innovation.
  • Build predictive models for campaign optimisation, customer segmentation, and price elasticity.
  • Design and implement AI-powered solutions to solve complex marketing challenges.
  • Use machine learning and statistical techniques to analyse trends and improve business outcomes.
  • Work with cross-functional teams and present insights to technical and non-technical stakeholders.

What We’re Looking For

  • A strong academic background in Computer Science, Mathematics, Physics, or a related field.
  • Proven experience in machine learning applications such as recommendations, segmentation, forecasting, and marketing spend optimisation.
  • Proficiency in Python, SQL, and Git, with hands-on experience in tools like Jupyter notebooks, Pandas, and PyTorch.
  • Expertise in cloud platforms (AWS, Databricks, Snowflake) and containerisation tools (Docker, Kubernetes).
  • Strong leadership skills with experience mentoring and managing data science teams.
  • Deep knowledge of media measurement techniques, such as media mix modelling.
  • Experience with advanced AI techniques, including NLP, GenAI, and CausalAI.
  • Familiarity with MLFlow, API design (FastAPI), and dashboard building (Dash).

If this role looks of interest, reach out to Joseph Gregory


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