Principal Data Scientist

Lead/Principal Data Scientist

London – Hybrid (3 days a week)

£90,000 - £115,000 + Benefits

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