Applied AI Machine Learning Vice President (Fraud Modelling)

JPMorgan Chase; Greater London; On-site; GBP 90,000 - 130,000; Full time

Job summary

JPMorganChase is seeking a Senior Data Scientist to design and govern fraud models for UK banking operations. You will lead model development, validation, and monitoring, while communicating insights to senior stakeholders and enabling downstream teams to use outputs effectively.

The role emphasizes governance, audit-ready documentation, and collaboration with platform engineers to deploy models and manage risk across the portfolio.

Qualifications

• Advanced degree in quantitative discipline.
• Experience with fraud modelling in financial services.
• Proficiency in Python and SQL for data analysis and modelling.

Responsibilities

• Develop and manage proprietary fraud models and validate performance.
• Prepare governance and Model Risk Management packs and support validation.
• Monitor performance for drift and calibration and drive remediation.
• Communicate results to senior stakeholders and train downstream users.
• Maintain audit-ready documentation and respond to inquiries.

Skills

Fraud modelling

Machine learning

Data analysis

Production-grade coding

Generative AI tools

Communication skills

Education

MSc or PhD in quantitative/technical discipline

Tools

Python

SQL

NumPy

Pandas

Scikit-Learn

Job description

Job Responsibilities

• Develop and manage proprietary fraud models and perform due diligence for vendor models. Validate model performance on internal data, ensure modelling choices are appropriate for the portfolio, decisioning context, and operational constraints. Work closely with platform engineers to support model deployment.
• Prepare complete governance and Model Risk Management packages, including development documentation, testing evidence, model limitations, and implementation specifications. Support independent validation, respond to findings, and drive remediation to closure.
• Support ongoing monitoring for performance and stability (e.g., drift, calibration, population shifts, fraud‑typology changes). Define monitoring metrics, thresholds, Investigate degradations and drive remediation actions.
• Communicate model design, trade‑offs, results, and limitations to senior stakeholders and governance committees in clear business terms. Train and support downstream users on correct interpretation and use of model outputs.
• Maintain audit‑ready artifacts such as model documentation, monitoring reports, validation responses, and control evidence to support internal audits and regulatory exams. Provide timely, traceable responses to inquiries and ensure documentation stays current post‑deployment.

Required Qualifications, Capabilities, and Skills

• Advanced degree (MSc or PhD) in a quantitative or technical discipline.
• Solid understanding of fraud modelling in financial organizations, including the unique challenges and regulatory considerations involved. Credit modelling is acceptable as a transferable background.
• Industry experience in applied data science, machine learning techniques, with a strong understanding of both traditional statistical and machine learning models.
• Proficient in Python, SQL, with hands‑on experience in data analysis and writing production‑quality code. Extensive experience with machine learning and data analysis toolkits (e.g., NumPy, Scikit‑Learn, Pandas).
• Ability to effectively leverage Generative AI tools to enhance productivity, analysis, and problem‑solving in day‑to‑day work.
• Strong written and spoken communication skills to effectively convey technical concepts and results to both technical and business audiences. Team player.

Preferred Qualifications, Capabilities, and Skills

• Experience with identity verification fraud models.
• Experience with ML model explainability.
• Experience with model risk management frameworks.

ABOUT US

JPMorganChase, one of the oldest financial institutions, offers innovative financial solutions to millions of consumers, small businesses and many of the world's most prominent corporate, institutional and government clients under the J.P. Morgan and Chase brands. Our history spans over 200 years and today we are a leader in investment banking, consumer and small business banking, commercial banking, financial transaction processing and asset management.

We recognize that our people are our strength and the diverse talents they bring to our global workforce are directly linked to our success. We are an equal opportunity employer and place a high value on diversity and inclusion at our company. We do not discriminate on the basis of any protected attribute, including race, religion, color, national origin, gender, sexual orientation, gender identity, gender expression, age, marital or veteran status, pregnancy or disability, or any other basis protected under applicable law. We also make reasonable accommodations for applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs. Visit our FAQs for more information about requesting an accommodation.

ABOUT THE TEAM

Our Consumer & Community Banking division serves our Chase customers through a range of financial services, including personal banking, credit cards, mortgages, auto financing, investment advice, small business loans and payment processing. We're proud to lead the U.S. in credit card sales and deposit growth and have the most‑used digital solutions - all while ranking first in customer satisfaction.

The CCB Data & Analytics team responsibly leverages data across Chase to build competitive advantages for