Senior Data Scientist

Location: Greater London

*
* Job Title:

** Senior Data Scientist
** Job Grade:
** C15
* * Salary:**  £48,200.00 DOE and location + Fantastic benefits  
** Location status:
** Hybrid (flexible working options available) 3 days WFH  
*
* Location:

** Bupa Place, Salford – Willow House, Staines – Angel Court, London
** Permanent/fixed term contract:
** Permanent  
** About the Role
**** We Make Health Happen
** At Bupa, we're harnessing the power of data, machine learning and artificial intelligence to transform healthcare and insurance for our customers. We're looking for a
** Senior Data Scientist
** to join our Applied AI team and play a leading role in delivering innovative, data-driven solutions across our UK Insurance operations and healthcare management functions.

This is an exciting opportunity for an experienced data scientist who combines deep technical expertise with strong commercial awareness.

You'll work with large, complex datasets, including claims, pre-authorisation and service interaction data, helping to uncover insights, develop predictive models and deliver AI solutions that make a tangible impact on our business and customers.

You'll also be a key advocate for Applied AI across the organisation, helping to shape opportunities, influence strategy and develop future talent.
** What You'll Be Doing
** As a Senior Data Scientist, you'll take ownership of projects from concept through to business delivery, combining advanced analytics, machine learning and AI to solve complex business challenges.

Key responsibilities include:

* Designing, building and deploying machine learning models and AI solutions across the full lifecycle, from data preparation and model development through to deployment, monitoring and optimisation.
* Delivering actionable insights from complex healthcare and insurance datasets, presenting findings to stakeholders at all levels, including senior leadership.
* Leading projects from initial problem definition through to implementation and business adoption.
* Building and maintaining robust MLOps frameworks, governance processes and best practices.
* Partnering with IT architects, platform teams and solution designers to ensure cloud environments support analytical and AI workloads.
* Conducting ad hoc analysis using large-scale datasets including claims, pre-authorisation and customer service data.
* Developing and maintaining strong stakeholder relationships across the business.
* Coaching and mentoring junior team members and potentially supporting summer interns.
* Championing coding standards, quality assurance and analytical best practice.
* Working within Agile teams where appropriate.
* Ensuring all work complies with regulatory requirements and maintains the highest standards of data security and governance.
* Supporting the development of Generative AI solutions, including Retrieval-Augmented Generation (RAG), semantic search, agentic workflows and LLM orchestration.
* Contributing thought leadership in Data Science, Machine Learning, AI and Generative AI to help position UK Insurance Data & Analytics as a centre of excellence.
** What We're Looking For
** We're seeking a highly analytical and commercially minded professional with a passion for turning data into meaningful outcomes.
** Essential Skills and Experience
*** Proven experience delivering end-to-end machine learning solutions, including model development, deployment, monitoring and continuous improvement.
* Experience implementing MLOps frameworks and ope rationalising machine learning at scale.
* Strong track record of generating actionable insights from data, ideally within healthcare, insurance or another regulated industry.
* Hands-on expertise with supervised and unsupervised machine learning techniques, including:
+ XGBoost  + LightGBM …