Staff Software Engineer - .NET Fullstack

• You are collaborative and enjoy solving analytical problems to help our team to reach highest potential
• We are a team of big thinkers who are engineering the future of banking
• Together we will build tomorrow’s bank today, using world-leading 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

You’ll be part of the Humblebees Squad within the Open Data & Identity Crew, a team driving innovation and ensuring compliance in Australia’s Open Banking ecosystem. As the country’s largest holder of Open Banking data, we enable secure data sharing and consent management for millions of customers. Our mission is to deliver resilient, scalable, and secure platforms that uphold regulatory compliance and foster customer trust by:

• Leading the way in Open Banking adoption, supporting a platform that has grown by 300% in the past six months.
• Shaping the future of identity and security in financial services.
• Leveraging cutting-edge technologies such as AWS, Kubernetes/EKS, and DevSecOps practices.
  
  

As a Staff Engineer, you’ll be responsible for designing and delivering cloud-native, scalable, secure, high availability and high-performance solutions on AWS, leveraging your full-stack expertise in Next.js/ReactJS and .NET Core. This role demands a strategic thinker with deep technical acumen, capable of guiding engineering teams and influencing cross-functional stakeholders to deliver enterprise-grade platforms. Be at the forefront of innovation by delivering impactful solutions for Open banking. You'll play a key role in our digital transformation, driving the uplift of our consent creation and management user journey —shaping the future of how we serve customers

We’re interested in hearing from people who:

• Possesses full-cycle engineering experience: ideation, technical design, build, testing (unit, integration, system), release, and ongoing maintenance.
• Collaborates with peers and helps grow capabilities within the squad and across the crew.
• Actively embraces and leverages AI-assisted development tools such as GitHub Copilot, Cursor, Figma AI, and others to accelerate delivery and improve code quality is highly desirable.
• Provides technical governance and guidance throughout the complete solution delivery lifecycle.
• Have the ability to work independently and drive a culture where quality, excellence and openness are championed.
• Are passionate about learning new tools and technologies and are constantly thinking outside the box.
• Designs, documents and implements solutions to distribute source system data via bulk interfaces.
• Contributes to complex delivery planning by providing guidance and oversight to ensure that technical deliveries are aligned with engineering direction and strategy.
• Have ability to constructively challenge the status quo while influencing stakeholders at various levels.
  
  

Tech Skills:

We use a broad range of tools, languages, and frameworks. We don’t expect you to know them all but experience or exposure with some of these will set you up for success in this team:

• Full cycle design experience: design, build, challenge and run essential.
• Full Stack Development: Strong expertise in React.js/Next.js, and .NET Core/C# with experience designing scalable microservices and APIs (GraphQL & REST).
• Cloud & DevOps: Hands-on experience with AWS, Docker, Kubernetes, and CI/CD tools like GitHub Actions, TeamCity, and Jenkins.
• Database & API Design: Proficient in PostgreSQL, Oracle, and modern data access patterns.
• Monitoring & Observability: Familiar with tools like Prometheus, Grafana, Splunk, and AWS CloudWatch.
• AI Technologies: Hands-on experience with coding agents and automation is highly desirable. A strong technical mindset and willingness to adopt AI in daily workflows is equally valued.
• Secure Engineering & DevSecOps: Deep understanding of security principles, DevSecOps, and SRE practices.
• Agile Delivery & Testing: Proven experience with TDD/BDD, automated testing, service virtualization, and cloud-native application development.
• Understanding of hardware-software integration concepts is highly valued, especially in uplifting and enhancing existing system functionality.
  
  

Working with us:

Whether you’re passionate about customer service, driven by data, or called by creativity, a career with us is for you.

We support our people with the flexibility to balance where work is done with at least half their time each month connecting in office. We also have many other flexible working options available including changing start and finish times, part-time arrangements and job share to name a few.

Our people bring their diverse backgrounds and unique perspectives to build a respectful, inclusive, and flexible workplace with flexible work locations. We’re looking for people who truly live our values: Care, Courage and Commitment and we’ll offer you great opportunities to develop your career with us.

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: 01/02/2026