Staff Software Engineer- React

Do work that matters:

CommBank is driving a major engineering transformation, aiming to redefine customer expectations and build tomorrow's bank with innovative technologies and products. Recognised for its industry-leading IT platforms, agile infrastructure, and pioneering services-from payments to mobile apps-CommBank's Software Engineering team powers Australia's number one banking app and other cutting-edge solutions.

The team excels in both web and mobile development, delivering robust APIs at scale, and is seeking creative, diverse engineers to join their journey, shape the future of banking, and support Australia's economic growth through technology-driven customer experiences.

See yourself in our team:

As part of the As part of CommSec's Product & Investing Crew, the Staff Software Engineer will play a pivotal role in Australia's largest online retail stockbroker, CommSec. This high-visibility platform supports a diverse investor base and employs a range of technologies. The role involves working with a high-performing, multi-level team of software engineers, consulting on product and feature design, and providing support to deliver key products and solutions. Engineers at CommSec gain exposure to top-tier IT systems and are encouraged to grow their careers across multiple areas within the broader CBA network.

We're interested in hearing from people who:

• 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.

Tech Skills:

• Frontend: TypeScript and React (building scalable applications)
• Backend: C# / .NET Core (designing and running APIs)
• Databases: Microsoft SQL Server (MSSQL) or similar SQL/NoSQL databases

Nice to have:

• Cloud platforms (AWS preferred; Azure or GCP also relevant)
• CI/CD, Docker, Kubernetes, and production operations
• Testing (unit, integration, E2E)
• Monitoring, alerting, and performance optimisation

What we value:

• Strong system design and architecture skills
• Ownership of systems end-to-end
• Focus on reliability, observability, and security

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: 10/08/2026