Lead Data Scientist

Lead Data Scientist

We are seeking an experienced Lead Data Scientist to join a high-impact team developing predictive analytics and data products within a regulated financial services environment.

Location - London Contract – Inside IR35 Working Pattern - Hybrid

Skills & Experience

This role will focus on transforming large-scale customer datasets into robust, auditable predictive models, supporting forecasting, risk analysis and commercial data products.

Key skills & experience

Strong Python (Pandas, NumPy, Scikit-learn) and SQL skills.

Experience with Snowflake or similar cloud data platforms.

Proven track record building predictive models in regulated financial services environments.

Credit risk modelling experience, including PD models, scorecards or similar.

Strong understanding of model governance, validation and audit requirements.

Experience with GDPR and AI governance frameworks.

Key responsibilities

Build and deploy predictive and credit risk models.

Lead exploratory data analysis, feature engineering, model validation and monitoring.

Develop forecasting, simulation and stress-testing models.

Work with data engineering teams to create modelling-ready datasets using Snowflake.

Ensure models and processes meet regulatory and governance standards.

Collaborate closely with product and business stakeholders to deliver data-driven solutions.

Due to the volume of applications received for positions, it will not be possible to respond to all applications and only applicants who are considered suitable for interview will be contacted.

Proactive Appointments Limited operates as an employment agency and employment business and is an equal opportunities organisation

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