Principal AI Platform Architect

Commonwealth Bank Of Australia; Melbourne; On-site; AUD 260,000 - 340,000; Full time

Job summary

Commonwealth Bank of Australia is seeking a Principal Software Engineer to shape the engineering strategy behind AI capabilities that transform how the bank operates. You will lead complex engineering across agentic AI, RAG, cloud platforms and enterprise integrations, building secure, scalable AI foundations.

You’ll remain hands-on where impact is greatest, validate architectural decisions, and mentor senior engineers while aligning technical direction with business outcomes across multiple

Qualifications

• Experience leading complex engineering initiatives across multiple teams and platforms.
• Design distributed, cloud-native systems with enterprise integration patterns.
• Experience with retrieval-augmented generation (RAG) solutions.
• Experience with agentic systems including tool use and orchestration.
• Strong software engineering in Python, TypeScript or C#.
• DevSecOps, CI/CD, observability and operational resilience.
• Translate security, privacy, risk and Responsible AI requirements into engineering controls.

Responsibilities

• Define the long-term engineering strategy and architecture for enterprise AI capabilities.
• Shape how AI models, agents, knowledge sources and business systems integrate.
• Lead complex engineering initiatives from discovery through production.
• Build reusable services, reference implementations and engineering patterns.
• Establish rigorous approaches to evaluating RAG and agentic systems.
• Engineer for trust with cyber security and Responsible AI controls.
• Remain hands-on through prototyping, design reviews and production issue resolution.
• Mentor senior engineers and influence decisions across units.

Skills

Leadership

Architectural design

Hands-on software engineering

Python

TypeScript

C#

AI/ML systems

Tools

AWS

Azure

Job description

Commonwealth Bank of Australia is seeking a Principal Software Engineer to shape the engineering strategy behind AI capabilities that transform how the bank operates. You will lead complex engineering across agentic AI, RAG, cloud platforms and enterprise integrations, building secure, scalable AI foundations.

You’ll remain hands-on where impact is greatest, validate architectural decisions, and mentor senior engineers while aligning technical direction with business outcomes across multiple