Principal Data Scientist
marshmallow, a software company in fintech and payments, has an open position for Principal Data Scientist. The role is hybrid, based in London, United Kingdom. We classify it under data and machine learning. The stack in the posting includes LLM. Visa sponsorship is offered. Perks named in the posting: learning budget. marshmallow has 9 open positions on this site, 4 of them in IT and engineering.
Posted 14 days ago · Last checked 2026-10-20
About marshmallow
Fintech and payments Software product company 9 open positions, 44% in IT and engineering. Most open roles: Data and machine learning (4), Finance and legal (3), Customer success and support (1).
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| Workplace | Hybrid |
| Seniority | Staff |
| Role | Data and machine learning |
| Countries | United Kingdom |
| Employment type | FullTime |
| Key facts | Stack: LLM · Visa sponsorship: yes · Learning budget |
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