AI Chapter Lead: Generative & Credit Modeling

Commonwealth Bank; Sydney; On-site; AUD 170,000 - 250,000; Full time

Job summary

Commonwealth Bank (CommBank) is seeking a senior data science professional to lead advanced ML, Generative AI, and agentic AI initiatives for home buying. You will shape credit modelling and influence high-priority Retail Banking Services projects, collaborating with data science, cloud and engineering teams to deliver responsible AI solutions.

You will drive model development, validation and deployment, while expanding GenAI capabilities and ensuring strong governance and collaboration with

Qualifications

• Strong foundation in statistics, probability and ML; ability to interpret and explain model behaviour.
• Advanced Python and experience designing, developing and deploying ML models.
• Experience with Generative AI, LLMs or conversational AI, including prompt engineering and Retrieval-Augmented Generation.
• Production solutions using Spark, SQL, TensorFlow, PyTorch or R.
• Understanding of data engineering, ETL, pipelines, version control and CI/CD.
• Experience with AWS or Azure, and Docker containerisation.
• Strong written and verbal communication; able to engage both technical and non-technical stakeholders.
• Tertiary qualification in Data Science, Statistics, Computer Science or related discipline.

Responsibilities

• Lead design, development and deployment of ML models for strategic business outcomes.
• Apply statistics and structured problem solving to credit modelling challenges in home buying.
• Move models from exploration to deployment with monitoring.
• Design Generative AI capabilities including retrieval-augmented generation and guardrails.
• Expand responsible use of data science and AI across Retail Banking Services.
• Collaborate with product, engineering, risk and business stakeholders to translate insights into action.
• Establish best practices in feature engineering, model selection, evaluation and production deployment.
• Share knowledge and provide technical guidance across the team.

Skills

Python

Generative AI

Cloud AWS/Azure

Docker

Spark

SQL

TensorFlow

PyTorch

R

Statistics

Data pipelines

CI/CD

Education

Bachelors in CS/DS/Stat

Tools

Spark

SQL

TensorFlow

PyTorch

R

Job description

Commonwealth Bank (CommBank) is seeking a senior data science professional to lead advanced ML, Generative AI, and agentic AI initiatives for home buying. You will shape credit modelling and influence high-priority Retail Banking Services projects, collaborating with data science, cloud and engineering teams to deliver responsible AI solutions.

You will drive model development, validation and deployment, while expanding GenAI capabilities and ensuring strong governance and collaboration with