Senior Data Scientist | Health and Fitness.
- £75,000
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🏋️ Why this role?
Health and fitness is about behaviour change — and that makes it a fascinating data challenge.
You’ll work with rich customer, operational, and commercial data to:
- Understand how people join, engage, and stay active
- Optimise pricing, retention, and member experiences
- Build predictive models that genuinely influence business strategy
You’ll sit within a well-established Data & Insight team, working alongside Data Engineers, Analysts, and stakeholders across the organisation.
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🔍 What you’ll be doing
Data Science & Modelling
- Analyse customer and behavioural data across acquisition, retention, engagement, and pricing
- Build, validate, and optimise predictive models using robust statistical and ML techniques
- Carry out exploratory analysis to uncover patterns, test hypotheses, and quantify business impact
- Communicate insights clearly to both technical and non-technical audiences
ML Engineering & Production
- Deploy ML models into production within a modern cloud-based environment
- Build automated pipelines and CI/CD workflows to support training, testing, and deployment
- Monitor model performance, data drift, and reliability — keeping predictions accurate over time
- Work closely with Data Engineering to ensure high-quality, governed, model-ready data
Applied AI (Optional but encouraged)
- Explore how modern AI tools can enhance member experiences and internal processes
- Prototype AI-driven ideas through proofs of concept and lightweight demos
- Help shape responsible and practical AI adoption across the business
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🧠 What we’re looking for
You’ll bring
- Strong Python (and/or PySpark) skills for analysis, modelling, and feature engineering
- Solid SQL experience
- A track record of delivering end-to-end predictive modelling projects
- Experience deploying and monitoring ML models in a cloud environment
- The ability to translate complex technical work into clear, commercial insight
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Bonus points for
- Exposure to MLOps or modern ML engineering practices
- Experience with AI prototyping or experimentation
- Cloud ecosystem experience (particularly Azure-based platforms)
- Interest in customer behaviour, subscriptions, or consumer products
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🌱 What you’ll get in return
- The chance to work on data products used by millions of members
- A role where your models move beyond notebooks into production
- Space to experiment, innovate, and explore emerging AI capabilities
- A collaborative, inclusive team culture that values impact over ego