Lead AI Engineer – Financial Crime Protection

Westpac; Sydney; Hybrid; AUD 180,000 - 240,000; Full time

Job summary

Westpac AI Services in Australia is seeking a hands-on technical leader to build a Financial Crime Protection intelligence solution. You will own end-to-end delivery across data, APIs, AI and review experiences, translating domain needs into practical production outcomes.

You will set solution directions, mentor engineers, and ensure traceability, bounded tooling and compliant review. This role offers a hybrid Sydney/Melbourne work model with real impact.

Qualifications

• Deep Financial Crime Protection domain-SME experience with fraud/AML workflows.
• Expert full-stack engineering across backend, APIs, data stores and modern web apps.
• Strong API, event and dataflow design with identity, entitlements and audit.
• Data, graph and investigation engineering including lineage and access controls.
• AI service engineering across ML signals, LLMs, prompts, monitoring and fallback.
• Accessible human review with evidence provenance and decision recovery.
• Judgement on when traditional rules or AI provide safe solutions.

Responsibilities

• Lead a major Financial Crime Protection intelligence solution from intent through design, build, verification, release and operation.
• Translate fraud/AML needs into production outcomes while guiding engineering decisions.
• Define boundaries between signals, investigations, and human decisions across systems.
• Mentor engineers and turn delivery lessons into reusable patterns.

Skills

Financial crime SME

Go or Python

SQL

TypeScript

React

Next.js

APIs design

Data lineage

ML/AI services

Security & privacy

Job description

Westpac AI Services in Australia is seeking a hands-on technical leader to build a Financial Crime Protection intelligence solution. You will own end-to-end delivery across data, APIs, AI and review experiences, translating domain needs into practical production outcomes.

You will set solution directions, mentor engineers, and ensure traceability, bounded tooling and compliant review. This role offers a hybrid Sydney/Melbourne work model with real impact.