Staff Full-Stack Engineer for Web Apps & APIs

CommBank; Sydney; On-site; AUD 180,000 - 240,000; Full time

Job summary

CommBank is seeking a Staff Software Engineer for the Web Application (Full Stack) to help drive an engineering transformation across web and backend systems. You will work within the CommSec Practice on a high-visibility platform, shaping product design and delivering robust APIs at scale.

You will mentor engineers, champion best practices, and influence technical strategy across teams while ensuring security, reliability and performance in a modern cloud environment.

Qualifications

• Experience designing and delivering web and backend systems.
• Ability to own end-to-end system design and architecture.
• Strong focus on reliability, observability, and security.

Responsibilities

• Champion best practices in web and backend development, including architecture, testing, CI/CD, and performance optimisation.
• Collaborate with cross-functional teams to deliver high-impact features and improvements to the CommSec platform.
• Drive technical strategy and architectural decisions across Web and backend systems, ensuring scalability, maintainability and security.
• Promote a culture of innovation, inclusion and psychological safety within the team.
• Partner with stakeholders across product, design and operations to align on goals and deliver exceptional customer outcomes.

Skills

System design

Architecture

Ownership

Reliability

Tools

TypeScript

React

C#/.NET Core

Java

MSSQL

Docker

Kubernetes

CI/CD

Job description

CommBank is seeking a Staff Software Engineer for the Web Application (Full Stack) to help drive an engineering transformation across web and backend systems. You will work within the CommSec Practice on a high-visibility platform, shaping product design and delivering robust APIs at scale.

You will mentor engineers, champion best practices, and influence technical strategy across teams while ensuring security, reliability and performance in a modern cloud environment.