Senior Data Engineer - Reconciliation, AI & Automation

We're looking for an experienced Senior Data Engineer to join a high-performing team at the intersection of data, finance, automation and artificial intelligence.

This is a unique opportunity to apply your expertise in data engineering, analytics and AI to solve complex business challenges that directly impact financial accuracy, operational efficiency and customer outcomes.

You'll play a key role in designing and delivering innovative data-driven solutions that support interest and fee reconciliation across Business Banking products, while leveraging emerging technologies including Generative AI, intelligent automation and AI agents to modernise financial operations.

If you're passionate about using data and technology to drive real business outcomes, this role offers the opportunity to work on complex, high-value initiatives while helping shape the future of AI-enabled banking.

What You'll Be Doing

• Designing, developing and maintaining data solutions supporting interest and fee reconciliation processes.
• Analysing large volumes of banking transaction data to identify trends, anomalies and opportunities for improvement.
• Investigating reconciliation exceptions and implementing sustainable solutions.
• Developing AI-enabled workflows and intelligent automation solutions.
• Building AI agents capable of conducting exception investigations, root-cause analysis and reporting.
• Creating dashboards, monitoring tools and management reporting using Power BI and advanced analytics.
• Leveraging Generative AI and Copilot technologies to automate documentation, reporting and business insights.
• Partnering with Finance, Treasury, Product, Pricing, Technology, Data & Analytics, Risk and Compliance stakeholders to drive strategic outcomes.

What You'll Bring Banking & Financial Services Experience

You'll have experience working within a banking or financial services environment and a strong understanding of:

• Banking products, including deposits and lending
• Interest accrual methodologies and fee structures
• Financial controls and reconciliation processes
• Product Terms & Conditions validation
• Risk management and operational controls

Technical Expertise

You'll bring strong capability across:

• SQL (Teradata, Snowflake, SQL Server or Oracle)
• Python development
• Data analysis and exception management
• Power BI and/or Tableau
• REST APIs and system integrations
• ETL and data integration tools
• Advanced Excel capabilities
• Azure or other cloud platforms

AI & Automation Experience

Experience across one or more of the following will be highly regarded:

• Microsoft Copilot
• Azure OpenAI
• Azure AI Services
• Power Automate
• Power Apps
• AI Agent Frameworks
• Intelligent Document Processing
• Robotic Process Automation (RPA)
• Prompt Engineering
• Retrieval-Augmented Generation (RAG)
• AI Governance and Controls

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 more information and contact details on our FAQs and how to contact us page, under the ‘Diversity, sustainability and flexibility’ section.

We may close this job advertisement earlier than the advertised closing date if suitable candidates are identified. We encourage you to apply as soon as possible.