Lead Machine Learning Scientist, Search

About the role

Monzo is building an intelligent Co‑pilot that helps customers manage their financial lives. As the Lead Machine Learning Scientist for Search, you will own the end‑to‑end development of models that surface the right products and information at the exact moment users need them.

Key responsibilities

• Design, develop, and ship machine‑learning models for search, discovery, and recommendation across Monzo’s product suite.
• Create user and product embeddings, contextual bandits, and personalized ranking algorithms to improve relevance and conversion.
• Build scalable, explainable, and responsible AI solutions that meet trust and transparency standards.
• Lead technical decisions, mentor junior scientists, and collaborate with backend, product, and data teams.
• Experiment, measure impact, and iterate rapidly on a cloud‑native data platform handling billions of rows.

Required profile

• Proven experience as a senior or lead machine‑learning scientist delivering production‑grade models.
• Strong track record of working with large‑scale data pipelines and cloud environments.
• Ability to translate business problems into robust ML solutions and communicate results effectively.

Required skills

What we offer

• Competitive salary range £115,000‑£150,000 per year plus performance‑based incentive awards.
• Comprehensive benefits package and flexible work arrangements (remote or on‑site in London/Cardiff).
• Opportunity to shape a high‑impact product that redefines banking for millions of users.