Job Description

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- Financial Crime Domain Experience Sought
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- Sydney or Melbourne Based / Hybrid Working
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- Own complex, evidence-led AI solutions where safety, traceability & human authority matter.
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Opportunity Knocks

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Join AI Services as a Senior - hands-on - AI Engineer owning complex intelligence and protection workstreams.

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You will build production-ready products across governed data, backend services, APIs, AI workflows and human review experiences.

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The role supports business critical Financial Crime Prevention (Fraud, AML ), plus employee, customer or operational decisions.

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Your Core Focus

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- Own detailed design, implementation, verification, release and operational readiness for a complex workstream.
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- Build reliable contracts connecting source data, events, services, models, agents, user journeys and downstream systems.
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- Maintain traceable evidence across entities, facts, signals and review outcomes.
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- Ensure missing, stale, denied, incomplete and unavailable information is represented correctly.
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- Implement agent boundaries using typed inputs, approved tools, access checks, limits, citations, audit and safe failure.
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- Protect sensitive data through least privilege, minimisation, pseudonymisation and controlled disclosure.
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- Own versioning, deployment, rollback, recovery, diagnostics, incident support and continuous improvement.
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What you will bring

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- Strong full-stack engineering across backend services, APIs, data stores and modern web applications, using technologies such as Go or Python, SQL, TypeScript, React and Next.js.
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- Strong API, event and data-contract design, including identity, entitlements,



durable state, audit and recovery.
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- Data engineering expertise covering lineage, quality, event time, knowledge time, corrections and purpose-based access.
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- Practical graph and investigation engineering across entity resolution, typed relationships, bounded traversal and evidence paths.
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- Strong AI service engineering across ML signals, LLMs, RAG, agents, evaluation, monitoring, controls and safe fallbacks.
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- Domain experience has featured fraud and financial crime protection.
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- Strong judgement about when rules, SQL, conventional ML, graphs or generative AI are the right solution.
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Scope & work purpose

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You will combine senior delivery ownership with specialist intelligence and protection engineering, making evidence, provenance, uncertainty and limitations transparent while preserving human decision authority.

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You will help deliver practical AI outcomes while applying Westpac engineering, security, privacy, Responsible AI, risk and operational resilience requirements.

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Approved AI tools may support delivery, but people remain accountable for design, controls, review and production decisions.

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Ready to build what matters?

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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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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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📌 Senior AI Engineer - Intelligence & Protection (New South Wales)
🏢 Westpac
📍 New South Wales