Enterprise AI Engineer - Build Secure Production Apps

Westpac Bank; Sydney; On-site; AUD 180,000 - 240,000; Full time

Job summary

Westpac Bank is seeking hands-on AI Engineers to design, code, and operationalise AI applications at enterprise scale within a regulated banking environment. The role focuses on turning ideas into secure, scalable solutions while integrating AI services across platforms and teams.

You will work with the Chief AI Innovation Office and contribute to building practical AI capability across technology, data, risk and security functions.

Qualifications

• Hands-on AI engineering experience in large, regulated environments.
• Strong software engineering fundamentals across backend services and production systems.
• Practical experience deploying AI services safely in an enterprise setting.

Responsibilities

• Design, build, and ship production-ready AI applications, services, and tools.
• Integrate foundation models and ML models into secure enterprise workflows.
• Build pipelines for prompt management, model invocation, grounding, validation, and evaluation.
• Embed security, privacy, compliance, and responsible AI guardrails from design to delivery.
• Develop testing, monitoring, and feedback loops for quality, performance, and cost.
• Collaborate with product, data, risk, security, and platform teams to align priorities.

Skills

Hands-on AI engineering

Strong software engineering

LLM/AI services experience

Stakeholder collaboration

Education

Tertiary qualification in tech

Tools

Cloud platforms (AWS/Azure)

CI/CD

Vector stores / RAG

Observability

Job description

Westpac Bank is seeking hands-on AI Engineers to design, code, and operationalise AI applications at enterprise scale within a regulated banking environment. The role focuses on turning ideas into secure, scalable solutions while integrating AI services across platforms and teams.

You will work with the Chief AI Innovation Office and contribute to building practical AI capability across technology, data, risk and security functions.