Data Scientist (Senior) | £70,000-£110,000 + Equity

London, England, United Kingdom Full-time

Cleo is an AI assistant that helps over 400,000 people in the UK and US feel great about their money.

We're a rare company that machine learning is at the heart of what we do. You'll get to work on interesting problems with smart people that have an impact on millions of customers lives.

We're deeply commited to building the strongest Data Science team anywhere in the world.

What you’ll be working on:

  • Feature engineering and model building across a wide range of classification problems. From NLP to transaction classification you'll get models into production quckly.
  • Forming a deep understanding of our customers, their financial behavior and usage of the product. You'll drive product development with a data led approach. 

Our data stack:

  • We get classifiers into production with the excellent Amazon SageMaker.
  • We love Periscope as a home for all our metrics.
  • Postgres
  • Redshift

Why you should join:

You will;

  • Get to work at one of the fastest growing, venture-backed startups anywhere in the world. We have gone from 200,000 users in February to over 400,000 by June.
  • Work with one of the smartest, dedicated and passionate teams in Europe.
  • Have a genuine impact on people's lives. Hundreds of thousands of people chat to Cleo every week! We make a positive difference to quality of life.

About you:


  • Have at least 3 years commercial experience
  • Are fluent in Python or R and can write advanced SQL easily.
  • Ideally can write production quality code.

Additionally, you;

  • Are self-motivated, inquisitive and think creatively
  • Are excited to innovatively leverage the vast data we use to understand our customers, and build features that solve their problems.

Our process:

  1. A quick phone call with our CEO to find out more about your experience and why you want to work at Cleo.
  2. A small, fun take-home test.
  3. Come and meet the team at our office in Shoreditch. 

Apply for this opening at