Staff Software Engineer (Java/.Net/Python and AWS)
You are a problem solver with deep expertise in software engineering and cloud platforms.
We are a growing team within the bank, delivering industry-changing solutions that shape the future of financial services.
Together, we will build tomorrow’s bank today—leveraging world-leading engineering, technology, and innovation.
Do work that matters
We are seeking a highly skilled Staff Software Engineer to join our fast-paced team. In this role, you will drive technical direction and architecture decisions, with a strong focus on Kubernetes and AWS cloud-native solutions, cost and performance optimization, and modern engineering practices. You will play a key role in shaping our future technology landscape. While we currently leverage COTS solutions hosted on Kubernetes, we’re on a journey toward more AWS-native approaches and greater in-house capability. Your expertise will help define the roadmap, ensuring scalability, resilience, and security as we evolve.
As a Staff Engineer, you will also play a critical role in building a best-in-class run capability within the squad, ensuring operational excellence, reliability, and continuous improvement. You will lead and mentor engineers in the squad, fostering a culture of technical excellence, collaboration, and knowledge sharing.
See yourself in our team
This role sits within the Document Retention & Archiving Crew in Operations Technology (COO Transformation Tech), where we design and deliver cutting-edge technology solutions that enable secure, scalable, and resilient content platforms for the enterprise. You will shape the future of our cloud-first platforms, ensuring they meet business needs while aligning with modern engineering principles.
Key Responsibilities
Lead, design, and deploy high-quality, cloud-native software solutions with comprehensive test coverage.
Architect and implement Kubernetes/AWS-based solutions, ensuring scalability, security, and cost optimization.
Build and embed best-in-class run capability within the squad, focusing on operational resilience, observability, and automation.
Optimize cloud cost and performance using tools like Karpenter for autoscaling and Apptio Cloudability for cost management.
Provide technical leadership and mentorship, guiding engineers on best practices, design patterns, and career development.
Apply and promote industry-leading patterns and practices, including CI/CD automation, DevSecOps, and SRE principles.
Take ownership of technical assets, roadmaps, and strategic engineering initiatives.
We’re interested in hearing from people who:
Are passionate about cloud-native engineering and AWS platform capabilities.
Can define and execute technical strategy for complex cloud migrations and platform modernization.
Have working knowledge of Kubernetes for hosting applications and optimizing cost/performance.
Can influence, collaborate, and provide thought leadership across engineering teams.
Thrive in fast-paced environments and enjoy solving complex technical challenges.
Are committed to building operational excellence and mentoring others to achieve technical mastery.
Technical 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 (or equivalents) will set you up for success in this team; Experience with the following will set you up for success:
API Development: Proficiency in Java/J2EE (Spring) or .Net OR Python (FastAPI) for building RESTful APIs.
Cloud Platforms: Strong hands-on experience with AWS services (EC2, ECS/EKS, Lambda, RDS, S3, IAM, CloudFormation/Terraform).
Cost & Performance Optimization: Familiarity with Karpenter, Apptio Cloudability, and AWS cost management strategies.
Architecture: Microservices design, event-driven systems (Kafka), and distributed systems.
CI/CD & Automation: GitHub Actions, Artifactory, AWS DevOps and FIS; strong understanding of DevSecOps and SRE best practices.
Security & Compliance: Familiarity with cloud security patterns, IAM policies, and compliance frameworks.
Data Layer: Relational databases (Postgres/Oracle), NoSQL (MongoDB), and data warehousing solutions.
Desirable: Experience with AI/ML tooling and observability platforms.
Working with us
Whether you’re passionate about cloud engineering, data platforms, or innovation, a career with CommBank is for you.
We support flexibility, collaboration, and growth offering hybrid work options and technology hubs in Melbourne, Sydney and Perth.
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. Talk to us about how these arrangements might work in the role you’re interested in.
If this sounds like the role for you, apply today and help us build the next generation of cloud-native banking platforms.
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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