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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 our 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.
- Contribute to internal knowledge sharing.
- Represent Tesco in the external data science community.
- Stay current with developments in GenAI and LLMs.
- Evaluate and integrate emerging techniques into our data products.
Requirements
- Strong foundation in machine learning, statistics, and programming.
- Comfortable designing and implementing models using Python.
- Experience working with large-scale data in distributed computing environments.
- Hands-on experience with generative AI, LLMs, and deep learning frameworks is valued.
- Ability to translate business problems into data science solutions.
- Ability to communicate findings clearly to both technical and non-technical audiences.
- Scientific mindset, critical thinking, and the ability to ask the right questions are essential.
- Proactive in learning new methods and staying up to date with the latest developments.
- Contribute to a culture of knowledge sharing and collaboration.
- Strong coding practices, including version control and testing are expected.
Skills
- Machine Learning
- Generative AI
- Large Language Models (LLMs)
- Python
- Deep Learning Frameworks
- Data Science
- Statistics
- Programming
- Distributed Computing
- Version Control
- Testing
Location
- London
Work Type
- Hybrid
- Full-Time
- Permanent
Education Level
- Higher degree in a quantitative discipline (e.g., Mathematics, Computer Science, Engineering, or Physics) is preferred, though equivalent experience in a commercial setting is also valued.
Salary/Compensations
- Annual bonus scheme of up to 20% of base salary.
Benefits
- Holiday starting at 25 days plus a personal day (plus Bank holidays).
- Private medical insurance.
- 26 weeks maternity and adoption leave (12 months service required at the qualifying date) at full pay, followed by 13 weeks of Statutory Maternity Pay or Statutory Adoption Pay.
- 6 weeks fully paid paternity leave.
- Free 24/7 virtual GP service.
- Employee Assistance Programme (EAP) for you and your family.
- Free access to a range of experts to support your mental wellbeing.
About the Company
- Tesco is a supermarket, technology company, and mobile network provider.
- Colleagues work with one goal in mind: helping to make every day a little better for our customers, colleagues and communities all over the world.
- Tesco champions a balance that lets you thrive both in and out of work.
- Spend 60% of your week collaborating with colleagues at our office locations or local sites and the rest remotely.
- Tesco supports employees at all career stages and life events.
- Tesco welcomes conversations about flexible working.
- Tesco is an accredited Disability Confident Leader.
- Tesco commits to providing a fully inclusive and accessible recruitment process.
- Tesco encourages applications even if not all criteria are met.
- Employment will be with Tesco Stores Limited.
Equal Opportunity
- We're proud to be an accredited Disability Confident Leader, where everyone’s welcome.
- That’s why we commit to providing a fully inclusive and accessible recruitment process.
- If you need support with your application, click here for more information.
- And if you're interested in joining our team but don't tick every box, don't let that hold you back from applying.