Marshmallow logo

Lead Data Scientist

full-time Marshmallow London

Where will we be in 12 months:

We will be a team consisting of 50+ of the highest achievers across technology, product, design and financial services - hellbent on creating the most customer centric insurance products in the world. These products will save our in-need customers tonnes of money - as we expect to be 10* more efficient than incumbents due to bots and automation. You can expect to work in a team that delivers products, features and improvements continuously and with urgency. Our long-term advantage will help us expand to other European countries helping us serve millions of people.

About Marshmallow:

Were building a smart, digital insurer of the future to help us achieve our mission of helping everyone have equal access to fair financial products. Were a small team backed by investors who have backed Spotify, Monzo, Adyen and others. Following our successful launch earlier this year we are now scaling - FAST.

To build an insurer that can compete with huge multi-billion dollar monsters such as Axa, Allianz, and Direct Line we need to use data to have the best pricing and fraud solutions in the market 💪. Youd be joining a team that have worked at billion dollar fintechs such as Transferwise & Monzo, and large insurers such as Admiral and Zurich.

The primary responsibility of this role is to bring our product and ideas to life through a customer-centric, clean and delightful interface. Everything you do will be customer centric and youll be a key ingredient in helping us become a smarter insurer.

What you will be doing...

  • Using millions of data points to help us predict pricing changes
  • Building anomaly detection models to determine fraudulent activity, unexpected trends in data, etc.
  • Help provide insight into existing priorities and to surface new opportunities
  • Ensure all data analytics and designs are communicated in a business related manner, ensuring a constant link between how data inputs and outputs affect business strategy and outcomes
  • Collaborating with product owners, engineers and data scientists to improve data infrastructure and contribute to a seamless research platform

You should apply if youre...

  • A Masters degree or Ph.D. graduate in mathematics, physical sciences, engineering, or other technical discipline
  • 4+ years of experience building predictive models
  • Experience using big data tools (e.g. Hadoop, Spark) and cloud computing (AWS preferred)
  • Advanced knowledge of physics, linear algebra, probability/statistics

We will be even more loved if you have...

  • Worked in a startup before
  • Have insurance experience


  • Competitive salary
  • 0.33-0.66% equity ownership of Marshmallow
  • Free kindle with unlimited books 📚
  • Central London office


  • Our process consists of a phone interview, a task and a few hours onsite. We will endeavour to be communicative and transparent throughout :)
published: Nov. 25, 2018

Apply for this position