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# Senior Data Scientist

- **Company:** Harnham
- **Location:** London, UK
- **Experience:** Expert
- **Salary:** £65,000.0 - £75,000.0
- **Contract:** Permanent contract
- **Skills:** Amazon Web Services, Microsoft Azure, Big Data, Python (Programming Language), Machine Learning, Cloud Platform System, Core Data, Machine Learning Operations, Databricks
- **Published:** September 8, 2026
- **Apply:** https://www.collegerecruiter.com/job/2840571243-senior-data-scientist

## About the Role

* PhD in a quantitative or scientific field, with proven commercial experience as a Data Scientist or ML Engineer
 * Exposure to behavioral or consumer data is essential, preferably in the Healthcare space
 * Strong Python skills and experience with Databricks or similar platforms
 * Proven track record in predictive modelling with messy, real-world datasets (survey, geospatial, or similar)
 * Hands-on experience with MLOps tools and practices (e.g., MLFlow) and deploying models in cloud environments (GCP, AWS, or Azure)
 * Proactive, creative problem solver with a startup mindset and strong communication skills
 * Comfortable taking technical ownership and leading ML projects from end to end

## Description

As a Senior Data Scientist, you will be a key technical leader on their core data products. Your primary focus will be building and deploying predictive machine learning models using large-scale, complex datasets - including consumer data, survey data, and extensive geospatial information.

You will take ownership not only of modeling and metric development but also of the end-to-end ML lifecycle, including deployment and monitoring using modern MLOps frameworks. Collaboration with data engineers and cross-functional teams is essential, as you'll help shape the ML strategy and drive innovation in how healthcare behaviors are understood and acted upon.


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