Staff Software Engineer - Enterprise-Scale Platform & AI

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

Job summary

CommBank in Sydney seeks a staff software engineer who will design and build production systems, guiding architecture across squads, and raising engineering standards. You’ll own complex enterprise-scale solutions end-to-end in a hands-on, senior role.

You’ll work with cloud-native platforms (AWS), Kubernetes, CI/CD, and data tech, mentoring peers while shaping technical direction and enabling fast, reliable delivery across the organisation.

Qualifications

• Hands-on engineering with APIs and microservices.
• Experience designing and delivering enterprise-scale architectures.
• Ability to improve security, reliability and performance at scale.
• Mentor engineers and uplift engineering standards.
• Strong collaboration across squads to align with business outcomes.

Responsibilities

• Design and build scalable microservices and APIs.
• Contribute to architecture for enterprise-scale platforms and systems.
• Improve engineering standards, code quality, and secure development practices.
• Support integration across internal and external platforms.
• Build and run what you ship – embedding observability, reliability, and resilience.
• Contribute to CI/CD, automation, and safe, frequent deployments.
• Mentor engineers and uplift capability across the team.
• Drive pragmatic, high-quality engineering decisions aligned to business outcomes.

Skills

Hands-on engineering

Backend engineering

APIs & microservices

Enterprise architecture

Security & reliability

Mentor engineers

Observability

CI/CD mindset

Collaboration

Maintainability

Tools

AWS

Kubernetes

Docker

GitHub

TeamCity

Octopus Deploy

CloudFormation

Observability tools

Job description

CommBank in Sydney seeks a staff software engineer who will design and build production systems, guiding architecture across squads, and raising engineering standards. You’ll own complex enterprise-scale solutions end-to-end in a hands-on, senior role.

You’ll work with cloud-native platforms (AWS), Kubernetes, CI/CD, and data tech, mentoring peers while shaping technical direction and enabling fast, reliable delivery across the organisation.