Data Scientist

Overview

Join the Model Risk & Validation team as a Data Scientist on Credit Model Validation, providing second-line assurance over credit risk models across the Group.

What you'll do

• Perform validation activities assessing data quality, modelling methodologies, model performance and regulatory compliance across the model lifecycle for IRB, IFRS9 and Stress Testing models, including new models and ongoing post-implementation fit-for-purpose reviews.
• Engage proactively with stakeholders including internal audiences and forums comprising model developers, owners and monitors to communicate findings, risks, and recommendations.
• Contribute to strategic transformation and continuous improvement in the validation function, streamlining workflows, uplifting validation methodologies, and enhancing the quality, consistency and efficiency of validation outcomes.
• Support validation leads with functional ownership of allotted delivery.
• Contribute to knowledge-sharing within the chapter area, support advanced analytics tooling and high-quality communication standards.

What you'll need

• 5-8 years of credit risk model validation or development experience on IRB, IFRS9 and stress testing models.
• Demonstrated experience in end-to-end delivery of projects, along with sound communication and time management skills.
• Tertiary qualifications, with above average academic achievements, in a quantitative discipline such as mathematics, statistics and econometrics.
• Programming skills in SAS, R, Python and SQL.
• Experience with the Basel regulatory standards regarding credit risk.
• Working knowledge of Copilot, GPT, Claude etc.
• Demonstrated skills in written and verbal communication, including the ability to interpret and report complex material and make sound recommendations to a range of stakeholders.
• Education: Bachelor's degree or master's degree in engineering in Computer Science/Information Technology.

Nice to have

• Experience with relevant APRA regulations on IRB, IFRS9 and stress testing.
• Expertise in using Jupyter notebooks or R-markdown and GitHub.

Details

• Location: Bangalore.
• Applications closing date: 29/10/2026.
• Existing Commonwealth Bank Group employees (including Bankwest, x15ventures) must apply through Sidekick.