Principal AI Platform Engineer – Enterprise Enablement

Commonwealth Bank; Sydney; On-site; AUD 260,000 - 320,000; Full time

Job summary

Commonwealth Bank seeks a Principal Software Engineer to lead the engineering strategy for AI Enablement in Sydney or Melbourne. You’ll shape enterprise AI foundations, set architectural direction and ensure scalable, secure delivery.

You’ll remain hands-on where it matters, mentor senior engineers, and drive patterns for integration across data sources, models, and tools, aligned with risk and Responsible AI.

Qualifications

• You are an engineering leader with strong architectural judgement and hands-on software capability.
• Experience leading complex engineering across multiple teams, platforms and stakeholders.
• Experience designing distributed, cloud-native systems and enterprise integration patterns (AWS and/or Azure).
• Experience building retrieval-augmented generation solutions using LlamaIndex or LangChain.

Responsibilities

• Define long-term engineering strategy and architecture for enterprise AI capabilities.
• Shape integration patterns for AI models, knowledge sources and business systems.
• Lead complex engineering initiatives from discovery to production.
• Build reusable services, reference implementations and patterns for security, observability and ownership.
• Establish evaluation approaches for RAG and agentic systems with measurable outcomes.
• Translate security, privacy, risk and Responsible AI requirements into practical controls.
• Stay hands-on through prototyping, design reviews and resolution of production challenges.
• Mentor senior engineers and influence engineering decisions across the organization.

Skills

Leadership

Architectural judgement

Hands-on software engineering

Python

TypeScript

C#

AWS/Azure

DevSecOps

Tools

LlamaIndex

LangChain

Cloud platforms (AWS/Azure)

Job description

Commonwealth Bank seeks a Principal Software Engineer to lead the engineering strategy for AI Enablement in Sydney or Melbourne. You’ll shape enterprise AI foundations, set architectural direction and ensure scalable, secure delivery.

You’ll remain hands-on where it matters, mentor senior engineers, and drive patterns for integration across data sources, models, and tools, aligned with risk and Responsible AI.