Principal Software Engineer

• You are passionate, driven, flexible and collaborative

• We are a high performing engineer pushing the boundaries of software engineering

• Together we can rewrite the experience for millions of customers

Do work that matters

Our approach is to empower every engineer to be a source of ideas and action, embracing the Full Cycle model — where engineers are involved in the Design, Build, Challenge, and Run aspects. This is your chance to redefine the craft of engineering, shape our culture, and deliver impactful, scalable solutions that will significantly impact our customers, employees, and the broader community.

We are in the process of uplifting and re-innovating our digital platforms. As part of this exciting new Greenfield project, you will design and build a modern digital experience from scratch at Australia’s largest bank. This undertaking will see you use your design and technical leadership capabilities to directly reach and enhance the digital lives of over 9 million Commbank customers every day.

See yourself in our team

Be part of the technology leadership team of FCO Reimagined crew in Financial Crime Operations domain. As a Principal Engineer for our crew, you’ll partner with stakeholders to design overall tech direction, advise and influence on technologies and complex integration strategies, and AI enablement.

We are passionate about empowering businesses and individuals to succeed with the next horizon of technology to become the leading digital business bank in Australia. We also use technology to drive simplicity and better banking, an essential component of great customer service underpinning a strong emphasis on software development as a craft and the adoption of industry best engineering practices.

As a Principal Engineer, you’ll be a core member of our team. You will provide core technology and domain expertise to inform technical strategy be responsible for the design of the solutions for complex challenges within a business unit. You’ll have a strong risk mindset and take a security from the first line of code approach. Those around you to invest in their own engineering craft, as well as building class leading applications is something that you’ll be passionate about.

In this role, you will support the crew to deliver an ambitious vision against our customer objectives: to create enduring technology differentiation with unmatched digital experiences built on decoupled, resilient, and reliable technology foundations.

We’re interested in hearing from people who:

• As a matured Big Thinker, you’ll work closely with senior leaders on the strategic development practice

• Have expert level Full-cycle development experience: ideation, technical design, build, testing (unit, integration, system), release, and ongoing maintenance.

• Experience in implementation of complex workflow solutions

• Designs and implements innovative technical solutions to complex problems, including onboarding and migrating to new tooling as well as removing obsolete systems and code

• Drives automation practices and DevSecOps journey for the crew

• Are well versed with solution architecture, technology blueprints, engineering roadmaps, and translating the project vision into actionable plans.

• Actively embraces and integrates AI-driven solutions (including LLMs and agentic AI approaches) to enhance our engineering workflows and product capabilities.

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:

• Language Agnostic with preferent to Frontend - React, Typescript, Next.js. Backend - .NET Core, C#, Node.js, GraphQL

• Cloud - AWS (Preferred)

• Databases - SQL, NoSQL

• CI/CD tools - GitHub, GitHub Actions, Terraform Enterprise, Artefactory

• Observability - Open Telemetry, Prometheus, Grafana, Observe, CloudWatch

• Security - Vault, Security Management, Parameter Store, AWS Certificate Manager, AWS Secrets Manager

• Any experience with the following would be great – AI/ML, Agentic AI

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 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 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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