Principal Platform Engineer

• We're embarking on an exciting Digital Transformation program and are ready to push the boundaries and deliver engineering best practices to elevate the digital experience of our customers 

• You have knowledge that spans both development and operations, including coding, infrastructure management, system admin/engineering and DevOps Toolchains to enhance customer engagement and streamline operations. 

• Together we will build tomorrow’s bank today, using world-leading engineering, technology, and innovation. 

Do Work That Matters 
At CommBank, we are building the bank of tomorrow, today. This means modernizing and transforming our legacy systems over the coming years. To achieve this, we need world-class engineers who are empowered to bring innovative ideas to life. Our Full Cycle model ensures engineers are deeply involved in every stage: Design, Build, Challenge, and Run. 
We are reimagining what a bank can be, creating cutting-edge products and envisioning technologies that haven’t been invented yet. By redefining customer expectations, we aim to support Australia’s economic future while delivering outstanding experiences. 
This is a unique opportunity to shape the craft of engineering at CommBank in a team that thrives to deliver exceptional customer experience. You’ll influence our culture and work on impactful, large-scale projects that make a meaningful difference to our customers, employees, and the wider community. 

As a leader in IT and operations, CommBank is known for its world-class platforms, agile infrastructure, and innovation across all channels—from payments to internet banking and mobile apps. Our software engineers drive the success behind Australia’s top banking tools. We go beyond conventional banking, creating reliable APIs and delivering exceptional web and mobile solutions at an unparalleled scale. 
Join us and be part of this transformative journey. 

See Yourself in Our Team 
This role is part of the Digital Customer Crew within Institutional Banking, where we deliver cutting-edge technology solutions that serve business & institutional customers across our relationship managed customer segments of the bank. Our mission is to empower businesses to thrive using the technology of tomorrow. By leveraging digital tools, our Crew aims to elevate the customer experience and deliver exceptional products and services. 
We are seeking an outstanding Principal Platform Engineer to join our multi-year Digital Transformation Program. In this role, you will work within the Digital Customer Crew to achieve an ambitious vision: to meet customer objectives by delivering unparalleled digital experiences. These experiences are built on a foundation of decoupled, resilient, and reliable technology. . 
Our three key objectives for customers are: 

• Reimagine and build an optimal digital experience for our client's 

• Enhancing customer value by unlocking dependable digital experiences. 

• Increasing delivery speed and autonomy by simplifying and unwinding complex legacy architecture. 

• Enabling always-available channels powered by simpler, more resilient technology. 

As a Principal Engineer, you will play a pivotal role within our team. You’ll bring your expertise in technology and Digital knowledge to define technical strategies and design innovative solutions for complex challenges within a business unit. Your approach will integrate a strong focus on risk management and security from the earliest stages of development. Additionally, you’ll mentor and guide engineers, fostering excellence in their craft and enabling them to deliver world-class applications. 

We are looking for people who: 

• Are passionate about creating transformative digital experiences. 

• Have deep technical knowledge and expertise in modern engineering practices. 

• Thrive in collaborative environments and are excited about mentoring the next generation of engineers. 

• We’re interested in hearing from people who:  

• Will shape the future of our digital platform while focusing on designing, developing, and deploying innovative technology solutions that will enable us to build tomorrow's bank today.  

• Experience in system engineering including Restful APIs (and SOAP), Kafka streaming, Legacy methods such as MQ and MFT, System adaptation, payload/protocol transformation and orchestration using tools and frameworks such as Mulesoft, Boomi, Camel, Temporal, Flink, etc 

• Have experience with AWS, Salesforce Core, Financial Service Cloud and Marketing Cloud, and understand how these tools can be used to build and lead teams through complex multiyear builds. 

• Use skills to lead our engineers in implementing complex technical solutions in a SaaS and cloud-based environment. You’ll possess a strong risk mindset in ensuring that appropriate cyber security controls are implemented and play a significant mentoring role in providing technical assistance to the engineers in the team.  

• Enjoy and have demonstrable experience building enterprise software 

• Have a broad technology background with engineering as a core competency 

• Have real world experience of building and leading teams who operate in the DevSecOps model. 

• Have experience of addressing Tech Debt using a commercially focused and pragmatic approach. 

• Have identified, gained support and ensured execution of technical direction and strategy 

• Can design and implement 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. 

Technical Skills Required
 We use a broad range of tools, languages, and frameworks.  

• Thorough understanding of large-scale distributed systems, solution design and architecture principles 

• Ability to design solutions to meet the highest possible quality standards while simultaneously balancing security, performance, availability, and maintainability concerns 

• Developing 3-tier application both on-premises and on cloud covering: 

• Integration of our digital platform with Salesforce CRM and Marketing application is crucial in developing scalable and efficient applications 

• Frontend: React and Redux (preferred) or Angular/Vue/Svelte etc.  Javascript and/or Typescript. 

• Backend: Java and Python (preferred) or Go, .Net etc.  

• APIs & Database: SQL and NoSQL experience (both admin and usage). 

• Microservices design and implementation of highly scalable APIs. Solid technical background in building and designing data integration, microservices and workflow automation on cloud platforms using AWS 

• Expertise in setting up DevSecOps, CI/CD pipelines, logging and monitoring tools (GitHub, GitHub Actions , TeamCity, Octopus, Artifactory, Snyk and SonarQube) 

• Knowledge in Salesforce Core and Marketing Cloud products. 

•  Infrastructure as Code (Terraform or CloudFormation). 

• Mentoring and coaching other Engineers, to deliver world-class applications is a key responsibility 

• Configuration Management. 

• Containerisation. 

Working with us 
Whether you’re passionate about customer service, driven by data, or called by creativity, a career with us is for you. 
Our people bring their diverse backgrounds and unique perspectives to build a respectful, inclusive, and flexible workplace with flexible work locations. We’re looking for people who truly live our values: Care, Courage and Commitment and we’ll offer you great opportunities to develop your career with us. 
If you're ready to be part of a forward-thinking company that values innovation, teamwork, apply now and help shape the future of fintech with us! 
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: 08/04/2025