Data Scientist

Salary: £48,000 - 88,000 per year

Requirements:

• Strong hands-on experience with Python, SQL, and core machine learning algorithms
• Ability to deliver end-to-end data science workstreams
• Clear communication and stakeholder collaboration skills
• Undergraduate degree in a numerical subject
• Strong knowledge of Microsoft Office tools
• Extensive experience accessing and analysing data using SQL and Python
• Experience in contributing and managing a shared code repository (e.g. Github, Bitbucket)
• Expertise in using commonly used regression and classification algorithms
• Experience (2-5 years) working as an associate/graduate data scientist or data scientist

Responsibilities:

• Contribute to Advanced AI and Machine Learning Development by supporting delivery of the machine learning lifecycle, including data ingestion, exploration, feature engineering, modelling, evaluation, and deployment monitoring
• Help Drive Innovation and Shape AI Opportunities by identifying where analytics or machine learning can improve business performance or member value
• Deliver High-Impact Project Work by owning well-defined workstreams within larger projects, delivering high-quality outputs that support commercial or customer outcomes
• Engage Stakeholders and Support AI Adoption by collaborating with teams across actuarial, operations, product, engineering, commercial, and clinical areas to understand needs and shape solutions
• Contribute to Developing the Data Science Community through participation in knowledge sharing sessions, workshops, and learning initiatives
• Support Responsible AI, Governance, and Risk Management by applying responsible AI principles and following model governance frameworks
• Collaborate to Scale AI Platforms and Infrastructure by working with engineering and ML teams to deploy models and monitor them in production
• Maintain, Improve, and Operate Models in Production by monitoring model performance using defined KPIs and raising issues when thresholds are breached

Technologies:

• AI
• BitBucket
• GitHub
• Support
• Machine Learning
• Python
• SQL

More:

At Vitality, we are entering a new era powered by Vitality AI, where intelligence, data, and personalisation come together to redefine how we help our members live healthier, happier, longer lives. Our team is dedicated to designing, building, and deploying machine learning and AI solutions that are central to Vitalitys transformation. By joining us, you will have access to fantastic benefits, exciting rewards, and great career opportunities in a supportive and flexible working environment, located in our London office.

last updated 35 week of 2026