Decision Science Lead

Harnham - Data and Analytics Recruitment
London, United Kingdom
Today
£70,000 – £90,000 pa

Salary

£70,000 – £90,000 pa

Job Type
Permanent
Work Pattern
Full-time
Work Location
Hybrid
Seniority
Lead
Education
Degree
Posted
14 Jul 2026 (Today)

Benefits

Bonus Pension Private medical cover Hybrid working (2-3 days in office)

Decision Science Lead
London
£70,000 to £90,000 plus benefits

This is an opportunity to step into a high impact Decision Science Lead role within a fast growing fintech environment. You will play a key role in shaping credit risk strategy through advanced analytics and machine learning, with strong exposure to senior stakeholders and clear progression opportunities.

The Company
They are a scaling fintech business operating in the consumer lending space, focused on delivering innovative, data driven solutions. With a strong market presence and growing customer base, they are competing with some of the largest players in the industry. The business combines a collaborative, agile culture with a clear ambition to continue expanding its analytics capability.

The Role

  • Develop and enhance credit risk models including scorecards, behavioural, acquisition and fraud models
  • Build predictive models using advanced statistical and machine learning techniques
  • Deploy models into production using AWS SageMaker and collaborate with engineering teams
  • Monitor model performance and ensure ongoing effectiveness across business and technical metrics
  • Generate insights and present clear, actionable recommendations to stakeholders
  • Explore new data sources and modelling approaches to drive innovation
  • Work closely with cross functional teams to influence lending and risk decisions

Your Skills and Experience

  • Strong commercial experience within consumer credit and lending environments
  • Proven ability to develop credit risk models, including scorecards or predictive models
  • Strong programming skills in Python and SQL with experience working in cloud environments such as AWS
  • Solid grounding in statistics and machine learning
  • Experience working with large, complex datasets and delivering business insights
  • Strong communication skills with the ability to influence stakeholders
  • Experience with model deployment is highly beneficial
  • Exposure to dbt is desirable

What They Offer

  • Salary between £70,000 and £90,000
  • Hybrid working with two to three days in the office each week
  • Competitive benefits package including bonus, pension and private medical cover
  • Strong career progression opportunities within a growing data function
  • A collaborative and supportive working environment with exposure to senior leadership

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