OpenNash Jobs
Westpac Banking Group · Sydney, NSW, Australia

Senior Engineer - AI Services

Sydney, NSW, AustraliaHybridSenior individual contributorOperations

Listed on Westpac Banking Group’s official careers site. Posted September 25, 2026. Check that it is still open and apply there.

Apply on Westpac Banking Group’s careers site →

Job description

Sydney or Melbourne Based / Hybrid Working. Own complex AI workstreams from detailed design to reliable production outcomes. Are you ready? Join AI Services as a senior individual contributor owning complex workstreams and major feature sets. You will turn solution direction into tested, production-ready products across software, data, AI, integration and operations, while mentoring engineers and strengthening shared delivery patterns.

Core Focus & Responsibilities Own a complex workstream or major feature set from detailed design through release, operation and production support. Build AI-powered full-stack solutions across software, data, AI, integration and user experience. Create reliable contracts across data, services, AI components, user journeys and enterprise systems. Engineer safe model and agent behaviour through access controls, approved tools, evaluation, monitoring and fallback.

Own versioning, compatibility, deployment, rollback, recovery, diagnostics and incident support. Review designs and code, mentor engineers and identify material technical, delivery, data, model and operational risks early. Key Ingredients for Success Strong hands-on full-stack engineering across software, data, AI, integration, testing and operations. Advanced design capability across APIs, events, data flows, service boundaries, identity, durable state, audit and recovery.

Deep AI service engineering across ML, LLMs, RAG, agents, evaluation, tool controls, monitoring and fallback. Secure delivery expertise spanning automated testing, CI/CD, observability, resilience and production support. Practical governance-by-design covering traceability, evidence, privacy, human approval and control-aware delivery. Clear technical communication, constructive challenge, mentoring, design review and code review capability.

Test the waters today, let’s go! To get started, simply click on the APPLY or APPLY NOW button. Please note that application closing dates are subject to change so don’t delay putting your best foot forward! 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 .

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