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Credit Risk Modeller

Job Posted: 23 days ago

Salary: £ 500 - 500 / Hour
Job Type: Contract
Location: Manchester, Greater Manchester

Expire in: 4 days

Job Description

Credit Risk Modeller (Contractor)

Tesco Mobile - Business Integrity

Location - Manchester 2 days a week 

Duration- 6 months 

Role Overview

Tesco Mobile is undertaking a significant transformation of its credit risk capability, including the implementation of a new credit decisioning platform, enhanced data services, and refreshed customer lifecycle strategies. As part of this programme, we are developing a suite of new credit risk models covering application risk, behavioural (in-life) risk, Probability of Default (PD), exposure risk, and proposition-level risk.

We are seeking an experienced Credit Risk Modeller with strong hands-on expertise in scorecard development, bureau data modelling, and regulatory-aligned model design. This is a key delivery role responsible for developing high-quality models that meet governance standards and are ready for deployment into our new credit decisioning platform.

This is a hands-on contractor opportunity, ideal for someone who can quickly integrate into the team, take ownership of model development, and deliver high-quality outputs at pace.

Key Responsibilities

Develop new credit risk models, including:
Application scorecards
Behavioural (in-life) scorecards
Probability of Default (PD) models
Exposure risk models
Proposition-level risk models
Extract, cleanse, manipulate and prepare large datasets using Python and SQL to support model development, validation and deployment.
Build and optimise predictive models using TransUnion and Equifax bureau data, ensuring appropriate variable selection, mapping and regulatory compliance.
Perform model validation activities including:
Back-testing
Population stability analysis
Characteristic stability analysis
Reject inference
Performance monitoring
Produce clear, comprehensive and audit-ready model documentation, technical specifications and governance artefacts.
Support model implementation, user acceptance testing and production deployment.
Contribute to the ongoing development of model monitoring frameworks and model governance processes.
Share modelling best practice and provide technical guidance to colleagues to help build capability across the wider Credit Risk team. 

Essential Skills & Experience

Technical Skills

Strong Python programming skills with extensive experience in: 
Feature engineering
Statistical modelling
Predictive analytics
Model development
Advanced SQL skills with experience extracting and transforming large, complex datasets.
Proven experience developing and implementing: 
Application scorecards
Behavioural (in-life) models
Probability of Default (PD) models
Exposure risk models
Proposition-level credit risk modelsCredit Risk Expertise

Extensive hands-on experience in retail credit risk modelling.
Strong understanding of credit bureau data, particularly:
TransUnion
Equifax
Experience selecting, interpreting and engineering bureau variables for predictive modelling.
Knowledge of model performance monitoring, calibration and ongoing model optimisation. 

Governance & Regulatory Knowledge

Good understanding of credit risk model governance.
Experience producing documentation suitable for model governance and audit.
Knowledge of regulatory expectations relating to:
Model governance
Fairness and bias
Explainability
Probability of Default (PD) modelling
Regulatory model standardsPersonal Attributes

Self-starter who can work independently with minimal supervision.
Able to quickly understand complex data environments and business requirements.
Strong analytical and problem-solving skills.
Excellent attention to detail and commitment to producing high-quality work.
Effective communicator, able to explain technical concepts to both technical and non-technical stakeholders.
Comfortable working in a fast-paced transformation programme with changing priorities. 

TO APPLY - PLEASE APPLY WITH AN UP-TO-DATE CV

Candidates will ideally show evidence of the above in their CV in order to be considered.

Please be advised if you haven't heard from us within 48 hours then unfortunately your application has not been successful on this occasion, we may however keep your details on file for any suitable future vacancies and contact you accordingly.

Pontoon is an employment consultancy. We put expertise, energy, and enthusiasm into improving everyone's chance of being part of the workplace. We respect and appreciate people of all ethnicities, generations, religious beliefs, sexual orientations, gender identities, and more. We do this by showcasing their talents, skills, and unique experience in an inclusive environment that helps them thrive.

We use generative AI tools to support our candidate screening process. This helps us ensure a fair, consistent, and efficient experience for all applicants. Rest assured, all final decisions are made by our hiring team, and your application will be reviewed with care and attention

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