Senior AI Engineer: Fraud & AML Protection, Hybrid AU

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

Job summary

Westpac AI Services in Australia is seeking a Senior AI Engineer who will own complex intelligence and protection workstreams, building production-ready products across governed data, backend services, APIs, AI workflows and human review experiences. This role supports financial crime prevention, fraud and AML decisions, with emphasis on traceability, safety and human authority.

You will design, implement and operate end-to-end solutions, ensure data privacy, and collaborate with teams across

Qualifications

• Strong full-stack engineering across backend services, APIs, data stores and modern web apps.
• Strong API and data-contract design including identity, entitlements, audit and recovery.
• Data engineering covering lineage, quality, event time and access controls.
• Graph/investigation engineering for entity resolution and evidence paths.
• AI service engineering across ML signals, LLMs, agents, evaluation and monitoring.

Responsibilities

• Own detailed design, implementation, verification, release and operational readiness for a complex AI workstream.
• Build reliable contracts connecting source data, events, services, models and user journeys.
• Maintain traceable evidence across entities, facts, signals and review outcomes.
• Represent missing, stale, denied or incomplete information accurately in the system.
• Implement agent boundaries with typed inputs, approved tools, access checks and safe fallbacks.
• Protect sensitive data through least privilege, pseudonymisation and controlled disclosure.
• Own deployment lifecycle including versioning, rollback, diagnostics and incident support.

Skills

Full-stack engineering

APIs and data contracts

Go or Python

SQL

TypeScript

React/Next.js

AI service engineering

Fraud/financial crime domain

Job description

Westpac AI Services in Australia is seeking a Senior AI Engineer who will own complex intelligence and protection workstreams, building production-ready products across governed data, backend services, APIs, AI workflows and human review experiences. This role supports financial crime prevention, fraud and AML decisions, with emphasis on traceability, safety and human authority.

You will design, implement and operate end-to-end solutions, ensure data privacy, and collaborate with teams across