Commonwealth Bank of Australia

Principle Software Engineer

• We're embarking on an engineering transformation with a key focus in building robust, secure, and highly scalable services to our customers.
• You have knowledge that spans both development and operations, including coding, infrastructure management, system admin/engineering, and DevOps Toolchains.
• Together we will build tomorrow’s bank today, using world-leading engineering, technology, and innovation.

Do Work that Matters

We're building tomorrow’s bank today, which means we need creative and diverse engineers to help us redefine what customers expect from a bank. Envisioning new technologies that are still waiting to be invented and reimagining products that support our customers and help build Australia’s future economy.

CommBank is recognised as leading the industry in IT and operations with its world-class platforms and processes, agile IT infrastructure, and innovation in everything from payments to internet banking and mobile apps. Our Software team are the brains behind Australia’s number one banking app, Netbank, Cardless Cash, Comm Sec Pocket and Spend Tracker. We go beyond a passion for web and mobile development, creating reliable APIs at a unique scale in Australia. And you could be a part of that journey.

See yourself in our team

The CBA technology unit delivers the best digital banking services to Commonwealth Bank customers and to do so is responsible for digital delivery, group data and analytics, technology, and technology infrastructure, cyber, fraud, physical security and business resilience for all divisions across CBA. It is also dedicated to delivering the best workplace technology experience for our over 53,000 people across CBA and focused on providing the latest tools, technology, and resources to enhance the way we work together and empower our people to achieve more for our customers.

As a Principal Software Engineer in our Automation and Optimisation team, part of the broader Identity Engineering function, you will report to the COE Lead and play a strategic role in shaping the direction of our automation initiatives and platform architecture. You will lead the design and development of complex, scalable solutions across the full software engineering lifecycle, working with technologies such as SailPoint, CyberArk, and PingID. Your work will directly influence the security, performance, and reliability of our identity services, while aligning with broader organisational goals.

Our Principal Software Engineers are hands-on technical subject-matter experts, accountable for significant portions of large, end-to-end platforms. While you won’t have direct reports, you will guide and mentor engineers across the crew, fostering the development of elegant, well-tested, and maintainable code and software solutions. You’ll collaborate closely with cross-functional teams, champion engineering best practices, and drive continuous improvement across our platforms and processes.

We’re interested in hearing from people who:

• Can design innovative solutions to solve complicated problems as part of a cross-functional squad.
• Have led major end-to-end enterprise solutions including discovery, strategy, design, product, development, and deploy.
• Imbue a true DevSecOps mindset and approach. You build it, you secure it, you test it, and you run it.
• Ensure our technical approach is sound, fit for purpose, and well architected.
• Support deployments across our Cloud (i.e. AWS, Azure, GCP) envrionments through our continuous delivery pipelines. Promote a culture of continuous learning, experimentation, and innovation, while contributing to governance, standards, and best practices.
• Act and lead as the technical subject-matter expert for all engineers, sharing your knowledge and expertise to your chapter via workshops and guilds.

Tech skills

We use a broad range of tools, languages, and frameworks. We don’t expect you to possess knowledge of all, but experience or exposure with some, or their equivalents, will set you up for success in this team;

• Expert in SDLC and Agile methods with broader experience around architecture, design, implementation, deployment, integration, and technology transformations.
• Front End Technology: React-based, JavaScript Frameworks (ReactJs. Angular)
• Software: Microservices, Databases, Event Streaming and Serverless Frameworks.
• Coding Languages: Python, Java, JavaScript, TypeScript.
• DevSecOps: CI/CD tools (e.g. GitHub Actions, Jenkins, TeamCity, Synk, Sonarqube, Octopus).
• Network: – Firewall, network segmentation, Infrastructure as code, API gateways
• Iac: Terraform, Cloudformation
• Containerisation: Docker, Kubernetes.
• AI & Machine learning and LLM knowledge is desired

If you're already part of the Commonwealth Bank Group (including Bankwest, x15ventures), you'll need to apply through Sidekick to submit a valid application. We’re keen to support you with the next step in your career.

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Advertising End Date: 09/07/2025