💼 Full-Time Position

Senior Machine Learning Engineer, Personalisation

🏢
Cleo
📍 london, england, United-Kingdom
📍
Location
london, United-Kingdom
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Posted
May 20, 2026
Type
Full-Time
🎯

Full-Time Opportunity: This is a permanent, full-time position with a competitive package and real career growth potential.

Job Description

About the Role

You’ll be leading technical work within a team of adaptable, creative and product‑focused engineers, training and integrating cutting‑edge machine learning across a variety of products and deploying them into production for millions of users.

What You’ll Be Doing

  • Joining the Machine Learning Growth Personalisation team to build and optimise recommender systems, behavioural models, and other personalization features for the Cleo product.
  • Developing and deploying recommendation, uplift, and multi‑armed bandit models into our production environments using our in‑house ML platform.
  • Working cross‑functionally with backend engineers, data analysts and product managers to integrate ML solutions into the product roadmap.
  • Identifying unknown or poorly understood problems and leading technical initiatives that impact multiple squads.
  • Mentoring and advising colleagues on model selection, architecture an...