AI Engineer

Tesco; City Of London; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A leading retail company is seeking an AI Engineer in London to build solutions for Generative AI use cases. The ideal candidate will have experience in machine learning deployment, familiarity with LLMs, and strong Python skills. Join a collaborative environment dedicated to innovation and professional growth with flexible working patterns.

Benefits

Annual bonus scheme up to 20%

25 days holiday plus personal day

Private medical insurance

26 weeks maternity and adoption leave

Free 24/7 virtual GP service

Qualifications

• Proven experience building and deploying machine learning systems.
• Confidence engaging with technical teams and facilitating sessions.
• Hands-on software experience including system design and DevOps.

Responsibilities

• Build a central team for Generative AI use cases across Tesco.
• Contribute directly to production code and fully fledged products.

Skills

Machine learning deployment

Understanding of LLMs

Technical decision-making

Collaborative technical sessions

ML engineering practices

Python programming

NLP

Tools

Python libraries

LangGraph

LangChain

Job description

Tesco UK • London • Hybrid • Full-Time • Apply by 10-Nov-2025

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.

What is in it for you

We're all about the little helps. That's why we make sure our Tesco colleague benefits package takes care of you - both in and out of work. Click here to find out more!

• Annual bonus scheme of 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 Pay or Statutory Adoption Pay, we also offer 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

You will be responsible for

We are seeking a AI Engineer to help build a central team to support Generative AI use cases across Tesco. The team will be tasked with addressing common pain points either by assessing 3rd party options or building our own capabilities.

You will also be able to contribute directly to production code and fully fledged products.

You will need

• Proven experience building and deploying machine learning systems beyond prototyping.
• Understanding of LLMs and emerging AI Engineering system design patterns and challenges.
• Ability to make well‑reasoned decisions grounded in technical understanding and real‑world constraints.
• Confidence engaging with other technical teams and running collaborative technical sessions.
• Familiarity with ML engineering practices and tools such as:
  • Experiment tracking and reproducibility
  • Model versioning and lifecycle management
  • Robust statistical evaluation
• Hands‑on end‑to‑end software experience including:
  • System design
  • Backend/APIs
  • DevOps and Infrastructure
• Experience with Python and common Python libraries
• Familiarity with LLM frameworks such as LangGraph, LangChain
• Experience with NLP

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'. Serving means more than a transactional relationship with our customers. It means acting as a responsible and sustainable business for all stakeholders, for the communities we are part of and for the planet.

We are proud to have an inclusive culture at Tesco where everyone truly feels able to be themselves. At Tesco, we not only celebrate diversity, but recognise the value and opportunity it brings. We're committed to creating a workplace where differences are valued, and make sure that all colleagues are given the same opportunities. We're proud to have been accredited Disability Confident Leader and we're committed to providing a fully inclusive and accessible recruitment process.

We're a big business and we can offer a range of diverse full‑time & part‑time working patterns across our many business areas, which means that we can find something that works for you. We work in a more blended pattern - combining office and remote working. Our offices will continue to be where we connect, collaborate and innovate. If you are applying internally, please speak to the Hiring Manager about how this can work for you - Everyone is welcome at Tesco.