Principal Full-Stack Engineer: Cloud-Native & AI-Driven

Commonwealth Bank Of Australia; Melbourne; On-site; AUD 180,000 - 260,000; Full time

Job summary

Commonwealth Bank of Australia is seeking a Principal Software Engineer for the Customer Service Network Domain in Melbourne. You will lead a three-year transformation of ATM software, routing, reconciliation and cash-management while guiding a cloud-native architecture designed for production from day one.

You’ll shape target architecture, mentor engineers and drive integration across legacy systems with Java, Spring Boot, AWS and full-stack capabilities.

Qualifications

• Principal Engineer-level systems thinking and end-to-end architecture expertise across interconnected environments.
• Deep Java and Spring Boot expertise with full-stack breadth (TypeScript, React, Next.js, Node.js).
• Designed and delivered cloud-native, distributed systems at scale including APIs, event-driven architecture and CI/CD.

Responsibilities

• Provide technical leadership and define target architecture for ATM transformation.
• Champion secure-by-design, resilient cloud infrastructure and observability patterns.
• Mentor engineers and influence engineering direction across teams.
• Translate ambiguous business challenges into architecture and pragmatic tech decisions.

Skills

React

Next.js

TypeScript

Java

Spring Boot

REST APIs

Microservices

Cloud-native

AWS

Terraform

IaC

Observability

AI/LLMs

Tools

AWS

Terraform

AWS CDK

GitHub Actions

Kubernetes

TurboRepo

Job description

Commonwealth Bank of Australia is seeking a Principal Software Engineer for the Customer Service Network Domain in Melbourne. You will lead a three-year transformation of ATM software, routing, reconciliation and cash-management while guiding a cloud-native architecture designed for production from day one.

You’ll shape target architecture, mentor engineers and drive integration across legacy systems with Java, Spring Boot, AWS and full-stack capabilities.