Key ResponsibilitiesDesign, build, and support cloud ‐ native, event ‐ driven data platforms and APIsDevelop and operate scalable data pipelines and storage solutions on AWSBuild high ‐ quality, secure, and maintainable code with strong performance and reliabilityOptimise data pipelines, queries, and algorithms for scalability and cost efficiencyProduce and review technical designs, documentation, and operational runbooksEngineer AI/ML ‐ ready datasets with solid data quality, lineage, and governanceEnable MLOps practices such as reproducible pipelines, data versioning, and monitoringApply responsible AI, privacy, and data governance controls in regulated environmentsCollaborate with delivery, product, architecture, security, and platform teamsParticipate in code reviews, uplift engineering standards, and mentor othersContribute to the strategic evolution of the data platform and engineering practicesWhat Do I Need?
Technical Skills & ExperienceStrong hands ‐ on experience with PySpark and JavaExtensive experience on AWS, including AWS Glue and DynamoDBExperience building event ‐ driven architectures (Kafka) and RESTful APIsStrong knowledge of data modelling, distributed data processing, and data qualityExperience supporting ML/AI data lifecycles, including feature engineering and RAG conceptsSolid understanding of CI/CD, DevOps practices, and SDLC principlesDomain ExperienceProven experience delivering data solutions in banking, financial services, or regulated environmentsStrong understanding of data governance, privacy, resilience, and regulatory expectationsAwareness of Responsible AI,



model risk, and auditability requirementsWays of WorkingCollaborative team player who can influence without egoComfortable challenging assumptions to improve outcomesStrong communicator able to explain complex concepts to technical and business stakeholdersWe'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 todayWe'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.
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📌 Senior Engineer (Sydney)
🏢 Westpac Group
📍 Sydney