Overview
You are passionate, driven, flexible and collaborative.
We are a team of big thinkers engineering the future of banking.
Together we will shape tomorrow’s bank today, using world-leading technology and bold innovation.
Do work that matters:
Technology is the driving force behind our ability to deliver exceptional customer experiences, security, reliability, and innovation. In Business Banking (BB) Technology, we support domains across Business Banking and CommSec, empowering businesses and individuals to thrive with tomorrow’s technology.
Our purpose is transparent: to become the leading digital business bank, powered by the next horizon of technology.
See yourself in our team:
Join the Banker Assisted Lending crew in Business Banking, where we’re creating differentiated banker experiences that deliver superior customer value. As a Principal Software Engineer, you’ll be at the forefront of our engineering roadmap championing cutting-edge solutions and driving real-world impact. You’ll guide the team through complex challenges, ensuring scalability, security and reliability in everything we deliver.
We’re interested in hearing from people who:
- Lead the decomposition of monoliths and build scalable microservices and event-driven applications
- Solve complex technical challenges from design to production
- Define architectural standards and tackle deep architecture issues
- Address tech debt with a pragmatic, commercially focused approach
- Translate requirements into solid engineering deliverables and delegate effectively
- Deliver reusable solutions used across teams and products
- Contribute directly to code delivery, lead reviews, and fix complex bugs
- Mentor junior engineers, hire top talent, and support career development
- Influence cross-functional teams and align technical decisions with business goals
Tech skills
This is a highly technical role requiring breadth and depth across tools, languages, and frameworks. We’re looking for experience in several of the following:
- AI/ML Engineering to accelerate product development
- Leading large-scale, complex engineering initiatives
- Languages: C#, .Net, Go, Java
- Cloud: AWS, Serverless, Containers, VM Hosting
- Databases: Aurora, RDS, Redis, ElastiCache, Oracle
- Eventing: SQS, SNS, EventBridge, Kafka (MKS)
- Engineering Tools: GitHub, GitHub Actions, Terraform Enterprise, Artifactory, AKKA, SST
- Observability: OpenTelemetry, Prometheus, Grafana, Observe, CloudWatch
- Security: Vault, AWS Secrets Manager, Certificate Manager, Parameter Store
- Testing: TDD, BDD, Automation Frameworks
- System Design: Data-intensive apps, API/microservices/event-driven/serverless architecture
- Deployment & SRE methodologies
- Side projects or commercial experience with: Anthropic Claude, Llama, LiteLLM, Cursor, Codeium, VO Vercel, Continue, Aider, Cline, Langchain, Langgraph, Hugging Face
- Certifications (preferred):
- AWS Solutions Architect / DevOps Engineer Professional
- AWS AI Practitioner / Machine Learning Specialty
- Certified Kubernetes Administrator (CKA) / Developer (CKD)
Working with us
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 or Melbourne 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.
If this sounds like you, apply now!
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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