What’s the role?

We are looking for a highly experienced and technically strong Principal Data Scientist to lead the delivery of advanced analytics and AI solutions within the Marketing function, spanning both Consumer and Business segments. This role is a key enabler of our data-driven marketing transformation and growth strategy.

You will own and drive the development of machine learning and generative AI solutions that directly impact customer engagement, campaign optimisation, and product innovation. This includes—but is not limited to—Customer Lifetime Value (CLV), segmentation, next-best action, propensity modelling, and creative content generation. Your work will power decision-making across Marketing, Product, Digital, and Line of Business teams.

What do I need? 

• Extensive demonstrated experience in experience in data science, including significant experience leading technical teams in production-grade environments.
• Strong hands-on coding skills in Python and SQL and working experience in the azure ML environment
• Deep understanding of both traditional machine learning techniques and modern GenAI approaches (e.g. transformers, LLMs, text generation, retrieval-augmented generation).
• Experience with big data platforms and distributed computing (Hadoop, Hive, Spark, Kafka).
• Demonstrated proficiency in ML Ops: model packaging, CI/CD for ML, monitoring, and model lifecycle management using tools 
• Proven experience working with streaming data and real-time inference pipelines.
• Solid business acumen with the ability to align technical solutions to customer, product, and marketing outcomes.

Why join us?

We’re obsessed with becoming our customers #1 banking partner for life and we’re looking for people who are passionate about helping us achieve that goal. In return we’re committed to making Westpac the best place to work in the country. Here are just a few of the ways we’re already doing that:

• Special offers on banking products and discounts from top brands, including generous employee-only mortgage rates!
• Flexible work arrangements to help you achieve a greater work/life balance, and a variety of leave options including Culture, Lifestyle and Wellbeing leave. 
• Tailored learning and development opportunities to help your grow your career within the bank. 
• Lots of opportunities to ‘give back’ to the Community by getting involved in our many volunteering initiatives

Create your future today 

To get started, simply click on the APPLY or APPLY NOW button 

We’re all about creating a supportive and inclusive community. We welcome everyone – no matter your age, gender, background, or abilities. We also provide additional support to welcome our veterans, Indigenous Australians and neurodiverse community. 

If you need any adjustments during the recruitment process, you can find out more information and additional contact details by visiting the "People with Disability and/or needing Accessibility Requirements" page on our website.