Data Scientist - Pricing in Welwyn Garden City

Join to apply for the Data Scientist - Pricing role at Tesco Technology.

About the Role

At Tesco, our Data Science team builds scalable solutions to complex business challenges across stores, online, supply chain, marketing and Clubcard. We apply advanced machine learning, generative AI, and large language models (LLMs) to personalise customer experiences, optimise operations and drive innovation. We work across several business domains, including customer experience, online, fulfilment, distribution, commodities, store operations and technology. Team members rotate across domains to broaden their expertise and impact. We foster a culture of continuous learning, dedicating 10% of the working week to personal development. Our team benefits from academic partnerships, regular knowledge‑sharing events and a collaborative, inclusive environment that values work‑life balance and professional growth.

Responsibilities

• Develop and deploy machine learning and generative AI solutions that directly impact how we serve customers and run our business.
• Design and implement robust models, experiment with new approaches, and translate business problems into data science solutions.
• Build prototypes, evaluate model performance both statistically and in terms of business impact, and scale models into production.
• Collaborate closely with Machine Learning Engineers and Software Engineers to ensure solutions are efficient, maintainable, and aligned with Tesco’s technology standards.
• Communicate complex ideas clearly to non‑technical stakeholders and contribute to internal knowledge sharing.
• Represent Tesco in the external data science community and evaluate and integrate emerging GenAI and LLM techniques into our data products.

Qualifications

• Strong foundation in machine learning, statistics, and programming.
• Experience designing and implementing models using Python and working with large‑scale data in distributed computing environments.
• Hands‑on experience with generative AI, LLMs, and deep learning frameworks is valued.
• Excellent communication skills for both technical and non‑technical audiences.
• Scientific mindset, critical thinking, and proactive learning of new methods.
• Higher degree in a quantitative discipline (e.g., Mathematics, Computer Science, Engineering, Physics) preferred; equivalent commercial experience also valued.
• Strong coding practices, including version control and testing.

Benefits

• Annual bonus scheme up to 20% of base salary.
• Holiday starting at 25 days plus a personal day (plus bank holidays).
• Private medical insurance.
• 26 weeks maternity and adoption leave (after 1 year’s service) at full pay, followed by 13 weeks of statutory maternity or adoption pay; 4 weeks fully paid paternity leave.
• Free 24/7 virtual GP service, Employee Assistance Programme, and mental well‑being support.

About Us

Our vision at Tesco is to become every customer’s favourite way to shop, whether they are at home or out on the move. Our core purpose is “Serving our customers, communities and planet a little better every day”. We commit to responsible and sustainable business practices and celebrate diversity.

EEO Statement

We are proud to have an inclusive culture at Tesco where everyone truly feels able to be themselves. Tesco is committed to providing a fully inclusive and accessible recruitment process and is accredited Disability Confident Leader.