Principal Full-Stack Engineer - AI-Driven Cloud (React/Next)

Commonwealth Bank; Sydney; On-site; AUD 200,000 - 280,000; Full time

Job summary

Commonwealth Bank is seeking a Principal Software Engineer – Full Stack to drive AI-powered, scalable banking platforms. You’ll own end-to-end architecture across React, Next.js, Node.js, TypeScript and .NET, shaping cloud-native services and integration with AI-enabled capabilities.

You’ll mentor teams, lead large-scale modernization and collaborate across branches to deliver measurable improvements for customers and colleagues.

Qualifications

• Experience in designing end-to-end architectures for complex customer journeys.
• Strong breadth across front-end and back-end technologies.
• Proven track record shipping cloud-native distributed systems.
• Ability to translate business problems into technical options and architecture.

Responsibilities

• Shape the next generation of assisted technology and AI-powered services.
• Own health and direction of the broader technology landscape across teams.
• Mentor engineers and influence architectural direction across multiple squads.
• Lead safe, large-scale modernization of legacy environments.

Skills

React

Next.js

Node.js

TypeScript

.NET

Cloud

Education

Bachelor's degree in CS or equivalent

Tools

Express

AWS CDK

Terraform

GitHub Actions

AWS CloudFormation

Prometheus

Job description

Commonwealth Bank is seeking a Principal Software Engineer – Full Stack to drive AI-powered, scalable banking platforms. You’ll own end-to-end architecture across React, Next.js, Node.js, TypeScript and .NET, shaping cloud-native services and integration with AI-enabled capabilities.

You’ll mentor teams, lead large-scale modernization and collaborate across branches to deliver measurable improvements for customers and colleagues.