Senior AI Data Scientist

What you'll need

• Strong knowledge of retrieval methods, search strategies and retrieval-augmented generation (RAG) architectures.
• Understanding of large language model architectures, reasoning techniques and agentic systems.
• Experience designing evaluation frameworks and applying experimentation and statistical methods to assess outcomes.
• Strong SQL and data analysis skills, including experience with platforms such as BigQuery, Teradata or equivalent technologies.
• Research methodology expertise, including literature reviews and hypothesis-driven experimentation with the ability to interpret and apply research findings.
• Python development and AI prototyping skills.

And any experience of this would be really useful

• Knowledge of semantic layers and metrics modelling.
• Experience of ontologies, knowledge representation, taxonomy development and metadata design.
• Exposure to knowledge graphs, graph-based reasoning concepts, NL2SQL, Text-to-SQL, conversational analytics, dialogue with data approaches, or enterprise data architecture and data product concepts.

This is a place for you...

Our ambition is to be the leading UK business for diversity, equity and inclusion, supporting our customers, colleagues and communities. We are committed to creating an environment in which everyone can thrive, learn and develop.

We were one of the first major organisations to set goals on diversity in senior roles, create a menopause health package, and launch a dedicated Working with Cancer initiative.

We offer reasonable workplace adjustments for colleagues with disabilities, including flexibility in office attendance, location and working patterns. As a Disability Confident Leader, we guarantee interviews for a fair and proportionate number of applicants who meet the minimum criteria for the role and have a disability, long-term health or neurodivergent condition, through the Disability Confident Scheme. We provide reasonable adjustments throughout the recruitment process to reduce or remove barriers - just let us know what you need.

Benefits

• 30 days' holiday, with bank holidays on top.
• A generous pension contribution.
• Flexible and hybrid working options.
• Access to wellbeing support and development opportunities.
• A range of colleague benefits designed to support you both inside and outside of work.

Ready to make an impact? Apply today.

At Lloyds Banking Group, we're driven by a clear purpose; to help Britain prosper. Across the Group, our colleagues are focused on making a difference to customers, businesses and communities. With us you'll have a key role to play in shaping the financial services of the future, whilst the scale and reach of our Group means you'll have many opportunities to learn, grow and develop.

We keep your data safe. So, we'll only ever ask you to provide confidential or sensitive information once you have formally been invited along to an interview or accepted a verbal offer to join us which is when we run our background checks. We'll always explain what we need and why, with any request coming from a trusted Lloyds Banking Group person.

We're focused on creating a values-led culture and are committed to building a workforce which reflects the diversity of the customers and communities we serve. Together we’re building a truly inclusive workplace where all of our colleagues have the opportunity to make a real difference.