Senior Decision Scientist

Requirements

• Strong experience in machine learning within lending (SME essential)
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• Proficiency in Python & SQL
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• Proven end-to-end model development experience
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• Background in fintech and automated decisioning environments
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• Solid understanding of UK credit risk & regulation
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• Ability to communicate effectively with both technical and business stakeholders
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• (Desirable) Consumer lending experience
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• (Desirable) Experience with model governance & monitoring frameworks
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• (Desirable) Strong commercial mindset and ownership attitude

• We’re looking for a Senior Decision Scientist to lead the development of cutting-edge credit decisioning models across SME lending
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• You’ll own the end-to-end model lifecycle, from problem framing through to deployment and monitoring, while working at the intersection of data, risk, and product to shape the future of our lending strategy
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• Build and deploy ML and statistical models for credit risk, affordability, and pricing
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• Own the full model lifecycle (data, features, modelling, validation, deployment, monitoring)
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• Develop monitoring frameworks and performance dashboards
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• Drive innovation through new data sources, challenger models, and experimentation (A/B testing)
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• Translate complex models into clear, actionable business insights