Machine Learning Engineer

Company: Tesco UK
Apply for the Machine Learning Engineer
Location: Welwyn Garden City
Job Description:

Within Tesco Data & Analytics, we help our customers and the communities where we operate get the most value from data. We build and run Tesco’s data platforms, we architect and engineer data onto these platforms, provide capabilities and tools to the analytics community across Tesco, and develop data products at scale.

Our Data Science teams are involved in a broad range of projects, spanning across supply chain, logistics, store and online. These include projects in the areas of Operations Optimisations, Commercial Decision Support (e.g. Forecasting and Range Optimisation), Online (e.g. Search and Recommendation) and Intelligent Edge (e.g. Computer Vision). Our Machine Learning Engineers work alongside our data scientists, helping with everything from development of tools and platforms, code optimisations through to deployment of solutions on the edge, cloud and big-data environments.

As a Machine Learning Engineer, you’ll be a significant contributor to the delivery of products in one of Tesco’s most strategic technology areas. You’ll work with other engineers, data scientists, product managers, systems engineers, and analytics professionals to help deliver valuable and innovative outcomes for our customers. You’ll work within and across our Engineering and Data Science teams, delivering scalable products that improve how we serve our customers and run our operations.

Responsibilities

  • Participating in group discussions on system design and architecture.
  • Working with product teams to communicate and translate needs into technical requirements.
  • Working with Data Scientists, Engineers and Product teams across the software lifecycle.
  • Delivering high quality code and solutions, bringing solutions into production.
  • Performing code reviews to optimise technical performance of data science solutions.
  • Supporting production systems, resolving incidents, and performing root cause analysis.
  • Continually look for how we can evolve and improve our technology, processes and practices.
  • Sharing knowledge with the wider engineering community.
  • Applying SDLC practices to create and release robust software.

Key Requirements

  • A higher degree in engineering, computer science, maths or science.
  • Customer focus with the right balance between outcome delivery and technical excellence.
  • The ability to apply technical skills and know-how to solving real world business problems.
  • Demonstratable experience of building scalable and resilient systems.
  • Commercial experience contributing to the success of high impact Data Science projects within complex organisations.
  • Awareness of emerging MLOps practices and tooling would be an advantage e.g. feature stores and model lifecycle management.
  • An analytical mind set and the ability to tackle specific business problems.
  • Experience with different programming languages and a good grasp of at least one language. The ideal candidate is fluent in Python.
  • Use of version control (Git) and related software lifecycle tooling.
  • Experience with tooling for monitoring, logging and alerting e.g. Splunk or Grafana.
  • Understanding of common data structures and algorithms.
  • Experience working with open-source Data-Science environments.
  • Knowledge of open source big-data technologies such as Apache Spark.
  • Experience building solutions that run in the cloud, ideally Azure.
  • Experience with software development methodologies including Scrum & Kanban.

Additional Information

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’ve been accredited Disability Confident Leader and are committed to providing a fully inclusive and accessible recruitment process. For further information on the accessibility support we can offer, please contact our recruitment team.

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Posted: June 1st, 2026