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Westpac

Banking and financial services for customers

Lead AI Engineer - Intelligence & Protection

AI Application EngineeringConfirmed live in the last 24 hours
Full-timeNo salary listed

About the Job

Requirements

  • Deep Financial Crime Protection domain subject-matter expertise, including practical knowledge of fraud, anti-money laundering, investigations, intelligence workflows, controls, and human decision-making in a complex regulated environment.
  • Expert full-stack engineering across backend services, application programming interfaces, data stores, and modern web applications, including Go or Python, SQL, TypeScript, React, and Next.js.
  • Strong application programming interface, event, dataflow, and service-boundary design, including identity, entitlements, state, audit, and recovery.
  • Strong data, graph, and investigation engineering covering lineage, time, quality, entity resolution, bounded traversal, and purpose-based access.
  • Strong artificial intelligence service engineering across machine-learning signals, large language models, retrieval-augmented generation, agents, prompt and model evaluation, tool controls, versioning, monitoring, and fallback.
  • Strong engineering for accessible human review, including evidence, provenance, uncertainty, approval, disposition, and recovery.
  • Sound judgment about when rules, SQL, conventional machine learning, graphs, or generative artificial intelligence provide the simplest safe solution.
  • Ability to apply engineering, security, privacy, Responsible AI, risk, and operational resilience requirements in a regulated environment.

Responsibilities

  • Lead a major Financial Crime Protection intelligence solution from intent through design, build, verification, release, and operation.
  • Bring Financial Crime Protection subject-matter expertise into engineering decisions by translating complex fraud, anti-money laundering, and protection needs into safe, practical production outcomes.
  • Set clear boundaries between signals, investigation, human decisions, and actions in other systems.
  • Create traceable contracts across source data, events, entities, facts, signals, models, agents, reviews, and downstream systems.
  • Ensure missing, stale, denied, incomplete, and unavailable information is reported honestly.
  • Enforce agent controls outside the model using approved bounded tools, access controls, and safe action boundaries.
  • Protect sensitive and Highly Protected data through least privilege, minimisation, pseudonymisation, and controlled disclosure.
  • Lead versioned and reversible releases for data contracts, models, embeddings, application programming interfaces, and workflows, with tested rollback and recovery.
  • Mentor engineers and turn specialist delivery lessons into reusable patterns.
  • Lead solution-level engineering for sensitive Financial Crime Protection intelligence outcomes while keeping evidence traceable, tools bounded, and human decision authority explicit.

About the Company

Westpac

Banking and financial services for customers

Westpac is an Australian bank offering a wide range of financial services for individuals and businesses, including everyday banking, loans, payments, and digital banking.

Company size
10,001+
Company stage
IPO
Headquarters
Sydney NSW, Australia
Founded
1817

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