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Senior Pricing Data Scientist

Marshmallow
London
1 week ago
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We’re building a huge technology company that helps make moving country easier. To fulfil our global ambitions, we need extremely ambitious people.
We back the ones who step outside the norm.
People who find themselves on a different path, either by choice or by circumstance. The exceptions to the rules that others aren’t interested in serving. Those are the ones we want to back, in everything we do.

So far we’ve helped over one million drivers get a fairer price on their car insurance, most of them UK newcomers. Now we’re creating tech-first financial products for anyone who moves to a new country. People whose problems we are uniquely positioned to solve.
values and behaviours

Get to know us better

At Marshmallow, we live and breathe our values. They define who we are, what we stand for and how we work day-to-day. Could this be you? Check out our open roles.
We think big and long-term, and are unafraid of solving problems in novel ways.
Great leadership is the bedrock of great companies.
That’s why we invest heavily in development and measure all roles, no matter the level, against a set of key behaviours. This framework exists to set expectations and help you keep moving on up.
1
We're future-obsessed

We know where we want to go long-term and provide an inspiring vision to get there. We anticipate changes in market conditions, regulation and technology to ensure we’re always one step ahead.
2
We raise the bar

We have unreasonably high ambition, and ensure we have the teams to back it up. We spend an inordinate amount of time ensuring we work with the best people and support them to fulfil their potential. Equally, we know mediocrity is contagious and extinguish it rapidly.
3
We're culture icons

We are unyielding in our belief and advocation for our culture, always acting in-line with our values and encouraging teammates to put culture front and centre.
4
We know how to get stuff done, quickly and to a high standard both in teams and cross-functionally.
What's it like to work here?
We'll let the team answer this one...
Charlie

"There are other areas in engineering that I’m interested in across the company. I’ve talked about this to my managers and they’re very supportive. They’ve helped show me what improvements I need to make to get to the next level, and have made a lot of time to discuss those things with me in my reviews."
Jerome

“In my team, we are currently focusing on helping our customers reach out to us as easily and quickly as possible if they are involved in an accident. It is challenging due the complexity of process or some external requirements, for example. But, it is very rewarding to be able to help customer at a point in their experience where they really need our service to be here for them."
Maria

"We're building an insurance company from the ground up. That’s exciting for engineers because they get to be part of the team that makes the very first decisions on how something is built. We have lots of problems to solve here, and engineers are at the centre of the solution!"
To solve big problems,
we need exceptional people
from all walks of life.
We’re creating a culture where everyone feels empowered to bring their unique perspectives and boldest ideas to the table. We do this by following a three part philosophy: belonging, recognition, and influence. Discover more.
We have two places to call home; London and Budapest. In London we have a large, modern office minutes from Old Street roundabout, offering easy access to transport links, shops and lunch spots. In Budapest, we have a brand-new office space near Fövám Square. It’s designed just for us - and did we mention that it’s dog friendly?
Free breakfast and lunches

Depending on where you’re based, once a week or fortnight, lunch is on us! We also provide free breakfast supplies, plus plenty of snacks and a dedicated drinks fridge packed with sodas and tipples for after-work socials. Cheers.
Company get togethers

We have company parties twice a year in London and Budapest, a monthly All Hands, and annual off-site Ambition Days.
Charity partnerships
How we give back

We proudly partner with two charities that support migrants and refugees in the UK and Hungary. Everyone at Marshmallow can take two volunteering days a year to lend a hand with employability workshops, mentoring and more.
Breaking Barriers is a leading specialist refugee employment charity in the UK, driving the Business Behind Refugees movement and supporting refugees to find meaningful employment. This initiative empowers refugees and asylum seekers by helping them leverage their skills and talents to achieve financial independence and build new lives.
Menedék is a charity who supports the social integration of domestic and foreign citizens migrating to and from Hungary. They do this through a variety of social, educational and cultural programs, including counselling, language lessons, training and workshops.
Want to find out more about life at Marshmallow?
Since we founded the company in 2017, Marshmallow has insured over one million drivers, most of them migrants. That has allowed us to grow to 600+ colleagues, reach profitably, and raise $100s of millions in capital. We’ve done that by building all of our own technology end-to-end — from underwriting to fraud and claims — and delivered unbeatable prices for our customers in the process.

What we’ve achieved so far is

just the beginning .

Millions of people migrate every year, and when they do they find all kinds of financial products impossible to get access to. We’re going to change that, by being the company that makes tech-first financial products aimed at migrants. We’re going to solve more problems, with more products, in more places.

Our success so far in the UK is a solid foundation. Now it’s time to build on it. We want to be a huge technology company. Every day we’re relentlessly building, testing, learning and challenging, making bigger and bolder moves to achieve our ambitions.

We look forward to having you with us on the journey.
Open roles
If you don’t see anything that fits you today, check back soon.
We’re scaling quickly, putting up new roles every week.
Marshmallow is a trading name of Marshmallow Financial Services Limited who are authorised and regulated by the Financial Conduct Authority (reference number: 797672). We are also registered with the Information Commissioners Office in relation to the processing of personal information (registration number: ZA295898). Marshmallow Financial Services Limited is incorporated in England and Wales (company number: 11005345). Our registered address is 66 City Road, EC1Y 1BD.

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National AI Awards 2025

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