Principal Software Engineer

Principal Engineer

We are creating the bank of tomorrow today and require top engineers who focus on the customer experience and deliver exceptional solutions. Our Payments team is leading a transformative program to enhance customer experiences, driving innovation and exploring modern technologies in payment solutions.

As a Principal Engineer, you'll play a pivotal role in shaping the future of Engineering at CommBank, championing cutting-edge solutions and fostering innovation that drives real-world impact. Your technical expertise and leadership will guide the team in addressing complex challenges while ensuring scalability, security, and reliability in all deliverables.

We're interested in hearing from people who:

• Have experience decomposing monoliths, or experience of building microservices at scale, or experience of building data intensive APIs, or experience of building event driven applications.
• Have real world experience of operating microservices in the DevSecOps model.
• Have real world experience of addressing Tech Debt using a commercially focused and pragmatic approach.
• Have real world experience of building high performing engineering teams and upskilling lower performing teams.
• Identifies, gains support and ensures execution of technical direction and strategy for the business.
• Designs and implements solutions to complex problems, including onboarding and migrating to new tooling as well as removing obsolete systems and code.
• Encourages risk-taking and constructively challenges the status quo while influencing stakeholders and building diverse and inclusive teams.

This is a highly technical role, requiring a broad range of skills, tools, languages, and frameworks and should include a number of the following:

• Cloud: AWS, Serverless, Containers, and VM Hosting
• Databases: AWS Database technologies (Aurora, RDS, Redis), ElastiCache, Oracle
• Languages: Typescript, Java, Python, C#
• Eventing: SQS, SNS, EventBridge, KAFKA (MKS)
• Engineering: Github, Github Actions, Terraform Enterprise, Artifactory, AKKA, SST
• Observability: OpenTelemetry, Prometheus, Grafana, Observe, CloudWatch
• Security: Vault, Security Management, Parameter Store, AWS Certificate Manager, AWS Secrets Manager
• Design skills
• Testing: TDD, BDD, Automation Framework
• System Design: Tech debt, data-intensive applications, database design, API design, microservices, event-driven and serverless architecture
• Engineering: Deployment methodologies, SRE
• Payments: NPP, SWIFT, BIAN- Desirable
• AI: AI in engineering (e.g., Cline, CoPilot), RAG, MCP, Gen-AI, Agentic-AI, machine learning
• Certifications (preferrable) - AWS: AWS Solutions Architect and DevOps Engineer Professional; AI: AWS AI Practitioner and Machine Learning Specialty
• Containers: Certified Kubernetes Administrator (CKA) / Certified Kubernetes Developer (CKD)

Whether you're passionate about customer service, driven by data, or called by creativity, a career with CommBank is for you. We support our people with the flexibility to balance where work is done with at least half your time each month connecting in our Sydney 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 for you.

Here, you'll thrive. You'll be supported when faced with challenges and empowered to tackle new opportunities. We're hiring engineers from across Australia and have opened technology hubs in Melbourne and Perth. We really love working here, and we think you will too.

If you're ready to take your engineering skills to the next level, apply now and become a part of our exceptional team.