Principal Software Engineer

Principal Engineer- Enterprise Transformation Program

We are building tomorrow’s bank of today, which means we need world class Engineers to help us modernise and rebuild our legacy monoliths over the coming years. We are looking for a Principal Engineer to join the Enterprise Transformation Program which is a multi-year program prioritised across various domains.  

The role will work on a greenfield initiative, building a new Payments Platform & Banking Service Domains Framework using modern technology and moving away from legacy applications. You will be working in a team of highly capable frontend, backend and DevSecOps engineers.

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.

Skills Required

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

Technical Skills

• Cloud: AWS, Serverless, Containers, and VM Hosting
• Databases: AWS Database technologies (Aurora, RDS, Redis), ElastiCache, Oracle
• Programming Languages: Java, Kotlin, Typescript
• 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
• AI: AI in engineering (e.g., Cline, CoPilot), RAG, MCP, Gen-AI, Agentic-AI, machine learning

If this sounds like you, apply today!

We support our people with the flexibility to balance where work is done with at least half your time each month connecting in office

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: 26/08/2025