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Machine Learning Engineer

Tesco Technology
Welwyn Garden City
1 week ago
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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, 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 across supply chain, logistics, store and online, including Operations Optimisations, Commercial Decision Support (Forecasting and Range Optimisation), Online Search & Recommendation, and Intelligent Edge (Computer Vision). Our Machine Learning Engineers work alongside data scientists, helping with everything from tooling and platform development to code optimisation and deployment of solutions on the edge, cloud and big‑data environments.


Responsibilities

  • Participate in group discussions on system design and architecture.
  • Collaborate with product teams to translate needs into technical requirements.
  • Work with data scientists, engineers and product teams across the software lifecycle.
  • Deliver high‑quality code and solutions, bringing solutions into production.
  • Perform code reviews to optimise technical performance of data science solutions.
  • Support production systems, resolve incidents, and perform root cause analysis.
  • Continuously look for ways to evolve and improve technology, processes and practices.
  • Share knowledge with the wider engineering community.
  • Apply SDLC practices to create and release robust software.

Qualifications

  • Fluent in Python programming language.
  • Customer focus with the right balance between outcome delivery and technical excellence.
  • Able to apply technical skills to solving real‑world business problems.
  • Experience building scalable and resilient systems.
  • Commercial experience contributing to high‑impact Data Science projects within complex organisations.
  • Awareness of emerging MLOps practices and tooling (feature stores, model lifecycle management).
  • Analytical mindset and ability to tackle specific business problems.
  • Experience with version control (Git) and related software lifecycle tooling.
  • Experience with monitoring, logging and alerting tooling (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.
  • Bonus: background in retail sector, logistics and/or e‑commerce.

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 at full pay, 13 weeks Statutory Maternity Pay.
  • Free 24/7 virtual GP service, Employee Assistance Programme (EAP) and mental wellbeing 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’. Serving means more than a transactional relationship with our customers. It means acting as a responsible and sustainable business for all stakeholders and the communities we are part of.


We are proud to have an inclusive culture where everyone truly feels able to be themselves. We celebrate diversity and commit to an accessible recruitment process.


We offer diverse full‑time & part‑time working patterns across many business areas. Remote and office working patterns combine to create a blended pattern that best fits your needs.


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