London, England, United Kingdom Hybrid

Policy Expert is hiring a Lead Machine Learning Engineer

Responsibilities

  • Design, implement and standardise end-to-end machine learning pipelines using Vertex AI Pipelines, Model Registry, and Cloud Run, with a strong focus on reliability, automation, and cost efficiency.
  • Build reusable components and templates to accelerate model delivery across squads (training, evaluation, registry, monitoring).
  • Develop MLOps frameworks and SDKs around metadata tracking, feature versioning, model governance, and CI/CD integration (e.g. Cloud Build, Terraform, GitHub Actions).
  • Optimise data processing and orchestration using BigQuery, Cloud Composer and Pub/Sub
  • Act as a bridge between Data Science, Product, and Platform teams to ensure smooth delivery of ML solutions
  • Review architecture, design decisions, and code to maintain high engineering standards
  • Foster a culture of engineering excellence, collaboration, and continuous learning within the team.
  • Stay close to emerging trends in ML systems, generative AI, and agents; evaluating their fit within the MLOps landscape.

Requirements

  • Degree in Computer Science, Software Engineering, Data Science or another quantitative field
  • 6+ years of experience in building and deploying ML systems
  • Ability to balance being a hands-on Engineer while also leading or mentoring a team of Engineers
  • Strong communicator who can work effectively with Data Scientists, Product Managers and Engineering teams
  • Highly proficient in Python: writing clean, testable, modular code suitable for CI/CD environments
  • A track record of designing MLOPs or ML platform tooling, not just consuming it.
  • Strong understanding of model lifecycle automation, including reproducibility, validation, drift detection and rollback strategies
  • Solid grasp of containerisation and infrastructure-as-code (Docker, GCP, IAM)
  • A collaborative, pragmatic mindset and very comfortable discussing architecture with Engineers, Data Scientists and non-technical stakeholders

Nice to Have

  • Familiar with neural network frameworks such as PyTorch with an interest in GenAI or agentic workflows (LangChain, Vertex AI Agents, etc…)
  • Knowledge of the industry would be a plus but not essential

Benefits

  • Based in London office in a 50/50 Hybrid mode
  • Match pension contributions up to 7%
  • Private medical & Dental cover
  • Learning budget of £1,000 a year + Study leave (with encouragement to use it)
  • Enhanced maternity & paternity
  • Travel season ticket loan
  • Access to a wide selection of London O2 events and use of a Private Lounge
  • Employee Wellbeing Programme
  • Prayer room in Office

Team

Structure: Expanding Data Science function with focus on MLOps platform; team includes Machine Learning Engineers and Data Scientists

Additional Information

  • Next steps: Aim to be in touch within 14 working days of application
  • Equal opportunity employer committed to diversity and inclusion
  • Reasonable adjustments available during interview process
  • Encouraged to apply even if not meeting all requirements
Required Skills
Python
About company
Policy Expert
Policy Expert is a forward-thinking business that leverages proprietary technology and smart data to offer reliable insurance products and a wow customer experience. Having achieved rapid growth since being founded in 2011, we’ve won over 1.5 million customers in Home, Motor and Pet insurance and have been ranked the UK’s No.1-rated home insurer by Review Centre since 2013.
All jobs at Policy Expert Visit website
Job Details
Department Software Development
Category data
Posted 3 months ago