Lead Data Scientist (Cardiff)

Cardiff, Wales, United Kingdom · Technology expand job description ↓


We are a leading digital bank on a mission to disrupt the banking industry. We've built an app with smart money management tools to help our customers live a healthier financial life. We also offer groundbreaking B2B banking and payments services.

Since our launch in 2014, we've surpassed 825,000 accounts in total: 760,000 retail current accounts and 66,000 business accounts for small and medium-sized enterprises (SMEs). We're on track to hit one million accounts before the end of 2019. Our total deposits, meanwhile, have surpassed £600 million and are expected to top £1 billion over the same period.

We're a fully licensed UK bank, and we have the culture and spirit of a fast-moving, disruptive technology company. We've won the Best British Bank award two years running, and now employ more than 780 people across our London & Southampton offices, with more to come from Cardiff.

Everyone at Starling gets the chance to own interesting things from day one, and we’re told one of the best things about working here is the ability to achieve a lot in a short space of time.


As Lead Data Scientist in Cardiff, in this role, you will:

  • Lead on the design of data driven solutions and insights to improve the speed, efficiency, and quality of decision-making.
  • Work with technical and non-technical teams to deliver insights to support the business.
  • Build, test and deploy models which will improve and/or automate decision making.
  • Engage with Engineering teams to ensure we capture data points that are relevant and useful for insights and modelling.
  • You will need:

  • Degree in STEM (Mathematics, Computer Science, Physics, Engineering, Economics).
  • Experience in a research field or applied data field (Min 2 years).
  • Excellent skills in SQL.
  • Experience working with Python applications.
  • Java experience a plus.
  • Familiarity with AWS/GCP a plus.
  • Prior leadership experience of data science projects.
  • Benefits

    • 33 days holiday (including public hols). You’ll also get your birthday on us.
    • 16 hours paid volunteering time a year.
    • Private Medical Insurance with VitalityHealth.
    • Contributory pension scheme.
    • Friday breakfast - bacon and egg rolls to vegan sausage butties.
    • Our kitchens are stocked with fresh fruit and a range of hot and soft drinks.
    • We have many varied social groups set up and run by our employees - ForTheWin (a gaming group), Starling FC, book club and many more!
    • Discounts on cinema tickets, restaurants, shopping and train tickets via a Perkbox membership.
    • Access to ‘salary sacrifice’ benefits such as Cycle to Work scheme.
    • Gym membership options.
    Full details are available on our careers site.
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