Senior Transformer Data Scientist — End-to-End ML

Company: Klarna
Apply for the Senior Transformer Data Scientist — End-to-End ML
Location: London
Job Description:

Klarna is seeking a talented individual to work on cutting-edge modelling problems in fintech. You will train transformer-based models on real-world transactional data and design tokenisation schemes for various features.

The ideal candidate will have deep expertise in transformer architectures and proficiency in tools such as Python, PyTorch, and SageMaker. You will be working in a small team, where your contributions will have a significant impact on Klarna’s products.

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Posted: July 7th, 2026