Lead Data Scientist (Credit & Lending)
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Key skills for this role
Role Overview
The role focuses on credit decisioning and risk modelling for fintech lending or digital financial services.
The position owns the development and productionisation of sophisticated credit-risk models.
The role is highly hands-on and serves as a technical authority for credit-risk modelling.
Key Skills for This Role
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About the Company
The company is building next-generation products at the intersection of AI, data and financial services.
Its intelligent infrastructure uses data and machine learning to improve financial decision-making.
The Role
The role focuses on credit decisioning and risk modelling for fintech lending or digital financial services.
The position owns the development and productionisation of sophisticated credit-risk models.
The role is highly hands-on and serves as a technical authority for credit-risk modelling.
Responsibilities
- Build and deploy probability-of-default, LGD, EAD and expected-loss models.
- Explore behavioural, web and other alternative data signals.
- Develop scorecards using WOE/IV binning, monotonic constraints and reason codes.
- Manage model training, validation, deployment, monitoring and model drift review.
- Establish champion/challenger validation, leakage detection and model documentation.
- Partner with product, engineering and risk stakeholders on model decisions.
Must-Have Requirements
- Strong fintech lending or digital lending background.
- Production experience building and deploying credit-decisioning models, particularly probability of default.
- Experience with alternative data and non-traditional signals.
- Strong scorecard expertise, including WOE/IV, binning, monotonic constraints and reason codes.
- Strong tabular machine-learning experience with XGBoost, LightGBM, CatBoost, logistic regression and tree ensembles.
- Deep model validation, calibration and hyperparameter-tuning knowledge.
- Cloud-based production deployment experience.
- Advanced Python with pandas and scikit-learn.
- Experience identifying data and target leakage in real-world datasets.
- Ability to communicate and defend models to senior risk stakeholders.
Why Join
- The company is tackling complex financial problems through AI, machine learning and advanced data science.
- The role offers close collaboration with senior technical leadership and significant ownership of credit-risk modelling capabilities.
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