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🥝 Lead Personalisation ML Engineer — Recommenders & Bandits

Cleo | london, United-Kingdom | Posted June 19, 2026

Job Description

Cleo is looking for a Senior Machine Learning Engineer to lead technical work within their Machine Learning Growth Personalisation team in Greater London. The role involves building and optimizing recommender systems, developing models for production, and collaborating with cross-functional teams. Candidates should have experience in data science, excellent communication skills, and an advanced degree in a quantitative discipline. The position offers a competitive salary, flexible work arrangements, and generous benefits including a pension and private medical insurance.
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