Data Scientist - AI & Analytics

About the Role

Join Westpac Group's Sydney office to contribute at the crossroads of artificial intelligence, data engineering, and macroeconomics. This role transcends traditional data science by developing pioneering data-driven research and insights that influence one of Australia's foremost economic voices. Embedded within the DataX and Economics teams under WIB DDAI (Data, Digital & AI), you will create impactful products and forecasts for institutional clients while shaping Westpac's market perspective.

Key Responsibilities

• Design and implement econometric and machine learning models focused on forecasting, nowcasting, and scenario analyses.
• Develop AI-powered tools such as natural language processing, automation, and insight generation to enhance research workflows in production environments.
• Convert economic theories and hypotheses into rigorous quantitative models.
• Utilize diverse datasets including macroeconomic, transactional, and alternative data sources to extract scalable insights.
• Manage the complete model lifecycle from experimentation to deployment, validation, and governance.
• Communicate findings effectively to both technical peers and executive leadership.

Candidate Profile and Requirements

• Degree in Computer Science or related discipline.
• Demonstrated success in delivering production-level data science and machine learning solutions, beyond proofs of concept or academic prototypes.
• Strong expertise in statistical modeling and time-series analysis.
• Advanced proficiency in Python, including libraries such as scikit-learn, statsmodels, PyTorch, or TensorFlow.
• Experience engineering scalable models and data-driven products within enterprise environments.
• Background or exposure to economics, econometrics, or financial markets.
• Hands-on experience with natural language processing or large language model development, coupled with cloud ML platforms like Azure ML or Amazon SageMaker.
• Comfort working collaboratively with research, strategy, or domain specialists.
• An inquisitive, commercially aware, and delivery-oriented mindset capable of reducing ambiguity into structured and scalable solutions.
• A builder mentality focused on shipping real-world solutions with clear and influential communication skills.

Why Westpac?

• Access to exclusive employee banking offers including favorable mortgage rates.
• Flexible working arrangements promoting work-life balance along with varied leave options such as Culture, Lifestyle, and Wellbeing leave.
• Targeted learning and development programs to advance your career at the bank.
• Multiple opportunities for community involvement through volunteering initiatives.

Inclusion and Accessibility

Westpac champions a welcoming and inclusive workplace for individuals of all ages, genders, backgrounds, and abilities. Additional support is available for veterans, Indigenous Australians, and the neurodiverse community. Accommodations are provided during recruitment for those requiring adjustments.