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Barclays Logo Barclays · IT - Software Development

Data Model Developer

United Kingdom, Northampton · Job Posted January 11, 2026
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Job Description

Join us at Barclays as a Data Model Developer. We’re looking for a Data Modeler to design, develop, and maintain statistical, mathematical, and machine learning models that support decision-making. In this role, you’ll translate business requirements into logical and physical data models that serve as the foundation for scalable, performance-optimised data products. You’ll work closely with the Data Product Manager and other stakeholders to ensure solutions are aligned with business goals and built for long-term success.

Job Responsibility

  • Acquisition and collection of data from various sources, including internal databases, external datasets, and real-time feeds
  • Performing data cleaning and pre-processing tasks to ensure data quality and suitability for model development
  • Design and implementation of data management strategies for model maintenance and future development
  • Designing, development, and implementation of statistical and machine learning models for various applications, including credit risk assessment, fraud detection, customer segmentation, and marketing optimisation
  • Monitoring model performance in real-time and identify any potential issues or biases

Requirements

  • Experience with the design and implementation of high-quality data models that optimise access, storage, and analysis
  • Managing Business as Usual (BAU) model enhancements and changes
  • Advanced understanding of data modelling principles and performance optimisation
  • Familiarity with AWS services
  • Ability to work with SQL, Unix, and shell scripting
  • Knowledge of data governance, cataloguing, and cloud storage design
  • Partner with business stakeholders to understand data needs and translate them into modelling specifications

What we offer

  • Hybrid working
  • Structured approach to hybrid working with fixed 'anchor' days
  • Supportive and inclusive culture and environment
  • Commitment to flexible working arrangements
  • Focus on wellbeing
  • Big opportunities
  • The workplace of the future
  • International scale and geographic reach
  • Wide variety of functions, businesses, roles and locations
  • Chance to learn from a globally diverse mix of colleagues
  • Encouragement to embrace mobility
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