Marshmallow

5 days ago

Pricing Data Scientist

New HybridUK

API Data Science Python SQL

We started building Marshmallow in 2017. Since then, we’ve grown from 3 to 700+ people, gained unicorn status, raised ~£140M over three funding rounds, turned profitable, insured millions of drivers and lent millions…

Open 22d HybridUKFull-time

3 weeks ago

Data Scientist (Credit) - Car Finance

AI Automation Data Science LLM Notion +4 skills

A Data Scientist on Marshmallow's Car Finance team builds and monitors credit scorecards and designs credit strategies (cut-offs, pricing, limits) for lending to new-to-UK and thin-file customers, using bureau, Open Banking and internal data. The stack includes SQL, Python, Snowflake and AI/LLM tooling.

4 weeks ago

Staff Data Scientist

Open 140d HybridUKStaff

AI Automation Data Science Generative AI LLM +2 skills

Staff Data Scientist providing technical leadership for Marshmallow's Claims team in London (hybrid), building and shipping production ML and Generative AI/LLM systems for claims fraud detection and automation. Day to day: shaping risk decisioning with Product and Engineering, driving platform/tooling investment, and raising the bar on statistical rigour and experimentation.

Open 140d HybridUKPrincipal

4 weeks ago

Principal Data Scientist

AI Automation Data Science Generative AI LLM +2 skills

Principal Data Scientist leading data science for Claims Fraud at Marshmallow, a London-based insurtech (hybrid, 3 days in office). The role provides technical leadership across traditional ML and Generative AI/LLM systems for claims validation, automation and risk decisioning, partnering with Product and Engineering to scale production models.

Open 88d RemoteUKContractC-level

3 months ago

Head of Data Science (12m fixed-term contract)