Principal Full-Stack Engineer: AI-Powered, React/Next/Node

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

Job summary

Commonwealth Bank is seeking a Principal Software Engineer - Full Stack to shape the next generation of assisted technology for branch, customer and colleague experiences. You'll bring deep expertise in TypeScript, React, Next.js, Node.js, APIs, .NET and cloud to define architecture and build scalable services.

This ground-up transformation integrates AI and agentic tools across the software lifecycle. You will mentor engineers, own the health of the technology landscape, and influence across

Qualifications

• Extensive full-stack experience with modern web technologies.
• Ability to drive architectural decisions across teams.
• Experience with AI-enabled and agentic development preferred.

Responsibilities

• Define and own the architecture for AI-powered, full-stack services.
• Lead, mentor and collaborate across engineering teams.
• Ensure reliability, security, and scalable delivery from discovery to deployment.
• Partner with business and customer journeys to shape tech strategy.

Skills

React

Next.js

Node.js

TypeScript

.NET

Cloud

Architecture

Leadership

Software Design

Tools

GitHub Actions

Terraform

AWS

CI/CD

API Design

Job description

Commonwealth Bank is seeking a Principal Software Engineer - Full Stack to shape the next generation of assisted technology for branch, customer and colleague experiences. You'll bring deep expertise in TypeScript, React, Next.js, Node.js, APIs, .NET and cloud to define architecture and build scalable services.

This ground-up transformation integrates AI and agentic tools across the software lifecycle. You will mentor engineers, own the health of the technology landscape, and influence across