Senior Analyst Decision Science

Overview

Senior Analyst Decision Science. Contract Type:
Permanent Full Time.

Location:

Bradford, Petersfield, Chatham or London. Working Pattern:
Hybrid (usually a couple of days a week in the office). We welcome part-time and flexible arrangements and will aim to match your current flexibility.

We care about your wellbeing not just your work. Our benefits are designed to support your life, your health and your growth:

• Holidays: 25 days (rising to 30) with buy/sell up to 5 days, swap up to 4 bank days
• Leave:
  Up to 10% employer;
  Enhanced maternity (post-probation) 4 weeks paternity and paid neonatal & carers leave
• Work abroad for up to 20 days a year in approved locations
• Your birthday: 2 paid volunteering days
• Access to Linked In Learning for all
• Wellbeing:
  Free Snoop Premium;
  Self-pay Denplan & optional Private Medical

As a Senior Analyst Decision Science you will play a key role in delivering innovative, accurate and scalable models that underpin our collections and fraud strategies, supporting sustainable customer outcomes and your team. The Data & Analytics function provides high-impact analytical expertise across Vanquis Banking Group, covering modelling, data innovation, credit bureau strategy and actionable insights that drive customer and commercial outcomes.

You will sit in the Decision Science team, focusing on developing and maintaining predictive models that enhance collections strategies and fraud detection.

• Develop predictive models for collections optimization and fraud detection across Cards and Asset Finance, analyzing customer behaviours, repayment patterns and fraud trends
• Identify opportunities to improve collections strategies and fraud prevention
• Maintain and automate model monitoring and performance development
• Build datasets from internal and external data sources, including Credit Reference data
• Apply segmentation techniques to identify homogeneous populations for targeted interventions

• 2 years experience developing credit scorecards or other classification models (experience in financial services is a plus)
• Strong programming ability in Python or SQL; familiarity with libraries such as Num Py, Pandas, Scikit-learn, Keras and algorithms like logistic regression and tree-based methods (e.g., random forests, gradient boosting)
• Familiarity with Credit Reference Agency data characteristics and score usage
• A structured analytical mindset and problem-solving skills
• Exposure to cloud-based analytics with machine learning techniques for fraud (background checks apply: credit, fraud and employment references)

Vanquis Bank delivers caring banking that helps people make the most of life’s opportunities. Founded in 1880, we are a FTSE All-Share specialist bank supporting over 1.7 million UK customers. We are a Great Place to Work and recognised by the Financial Times as one of the UK’s Best Employers 2025. We sign the Armed Forces Covenant and are committed to a workplace where colleagues feel connected, valued and empowered.

Alongside competitive pay we offer meaningful benefits, salary reviews, a discretionary bonus scheme and ongoing development. We hire with inclusive processes; if you need adjustments during recruitment, please contact us and we’ll help.

Senior IC

• Accounting Software
• Access Control System
• B2C
• Banqueting
• Jewellery
• Linux Administration

Full Time

1

Senior Analyst Decision Science
• Chatham, England, UK