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Marshmallow

Junior Pricing Data Scientist

Posted on 5 November 2026New

About the role

💼 What you will do

• Join Marshmallow as a Junior Pricing Data Scientist, working hybrid from London 3 days a week. • Apply quantitative methods to real insurance pricing problems and see how pricing decisions work in practice. • Work closely with a senior member of the pricing team to bring your quantitative background into an industry setting. • Build the practical judgement and independence to take on, and eventually lead, increasingly substantial work. • Grow with a unicorn insurtech that has turned profitable and insures millions of drivers.

📋 Job Requirements

• Bring a strong academic record and a research master's or PhD in a quantitative field such as mathematics, physics or econometrics. • Show experience applying quantitative methods or machine learning to a practical problem through study, research, a personal project or work. • Explain how your approach fits the problem rather than relying on theory alone. • Communicate your rationale and findings clearly and keep colleagues informed of progress. • Follow through on agreed actions and take ownership of your work. • Seek feedback and build towards working independently.

🌟 Nice-to-have

• Have industry experience such as a placement, internship or work during your studies. • Show experience gained between a research master's and a PhD. • Bring a keen interest in the commercial context of insurance pricing.

🎯 Responsibilities

• Work closely with pricing colleagues on scoped analytical and data-driven projects. • Take on more responsibility as your experience develops. • Apply mathematical, statistical and machine learning techniques to practical pricing questions. • Connect your analysis to the decision it needs to inform. • Explain your findings clearly to colleagues from different areas of the business. • Keep colleagues updated on progress and follow up on agreed actions. • Use feedback to improve your work and your coding best practice.

About Marshmallow

😃 What Marshmallow offers

• Work hybrid from London, with 3 days a week in the office. • Earn a bonus designed to reward high performance. • Receive private medical insurance with Vitality and mental health support with Oliva. • Use a personal learning budget and 2 dedicated learning and development days a year. • Spend a monthly flexible benefits budget as you choose. • Enjoy 25 days' holiday plus bank holidays. • Work from anywhere for 4 weeks a year.

💖 What makes Marshmallow unique

Marshmallow is a UK insurtech founded in 2017 that has grown from 3 to over 700 people and reached unicorn status. It has raised around £140M across three funding rounds, turned profitable and insured millions of drivers as well as lending millions in car loans. Its goal is to become one of the largest financial services providers in the world.

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