Senior Data Scientist, Finance

Xero; Sydney; Hybrid; AUD 120,000 - 160,000; Full time

Benefits offered by this job

Flexible work arrangements

Learning and development opportunities

Community volunteering

Employee mortgage discounts

Job summary

Westpac Group is seeking a Senior Data Scientist for the Data Centre of Excellence Advanced Analytics within Group Audit in Sydney. This hands‑on role focuses on delivering production‑grade AI solutions, automating audit activities, and extracting actionable insights from complex data.

You will collaborate with Technology, Risk and Compliance teams, applying Python, SQL, Alteryx and Copilot Studio to solve real business problems and help advance the analytics roadmap across Group Audit.

Qualifications

• 3–5 years practical data science experience, ideally within financial services, audit, assurance or risk environments.
• Hands-on experience applying ML/AI, automation or predictive analytics to business problems.
• Strong Python and SQL capability, including complex structured and unstructured data.
• Experience designing, building or productionising AI/Generative AI solutions, including model pipelines and monitoring.

Responsibilities

• Design and deliver advanced analytics and production‑grade AI solutions for audit and assurance.
• Identify opportunities to automate audit activities and uncover emerging risks and insights.
• Collaborate with audit teams and cross‑functional partners in Technology, Risk and Compliance using Python, SQL, Alteryx and Copilot Studio.

Skills

Data science

Machine learning

Generative AI

Analytical thinking

Stakeholder engagement

Tools

Python

SQL

Alteryx

Microsoft Copilot Studio

Azure

Snowflake

LLM integration

MLOps

Job description

What Senior Data Scientist Finance Jobs are i...

Data Scientist, Group Audit

Sydney Westpac Group

Job Description

Description

Create your best future and join Westpac as a Data Scientist, Group Audit.

What’s the role?

As a Data Scientist within Group Audit, you’ll join the Data Centre of Excellence Advanced Analytics team, helping grow how we use advanced analytics, automation and artificial intelligence across audit and assurance. This is a hands‑on individual contributor role, with no people leadership responsibilities.

You’ll design and deliver advanced analytics and production‑grade artificial intelligence solutions, identify opportunities to automate audit activities, and use data to uncover emerging risks, control weaknesses and meaningful business insights.

You’ll work closely with audit teams and specialists across Technology, Risk and Compliance, applying tools such as Python, SQL, Alteryx and Microsoft Copilot to solve real business problems.

You’ll also contribute to Westpac’s advanced analytics and artificial intelligence roadmap, helping build capability and share knowledge across Group Audit.

This is a permanent, full‑time opportunity based in Sydney with hybrid working arrangements available.

What do I need?

• Around 3–5 years’ practical data science experience, ideally within financial services, audit, assurance or risk environments
• Strong hands‑on experience applying machine learning, artificial intelligence, Generative AI, automation or predictive analytics to solve business problems
• Strong Python and SQL capability, including experience working with complex structured and unstructured data
• Experience designing, building or productionising AI and Generative AI solutions, including model pipelines, Large Language Model integration, monitoring or lifecycle management
• Strong analytical and problem‑solving skills, with the ability to independently investigate problems and translate technical outputs into clear business insights
• Strong communication and stakeholder engagement skills, with a collaborative and practical approach to delivering solutions

Experience with Azure, Snowflake, Microsoft Copilot Studio, Alteryx, AI agents or Machine Learning Operations is highly regarded.

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

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.

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