Principal Software Engineer (Java, API, AWS) at Commonwealth Bank of Australia

Setup: Hybrid
Location: Sydney, New South Wales · Melbourne, Victoria
Type: Full-time
Level: staff+
Posted: Oct 1, 2026

Description

The Principal Software Engineer will lead the architecture, design, development, deployment, and governance of workflow solutions for the Workflow Crew, providing technology oversight across business units. The role focuses on Java, API and cloud architecture, microservices, AWS, data architecture, AI model lifecycles, telemetry, CI/CD, workflow automation, and mentoring engineers. It is a hybrid role requiring at least half the time in the office, with flexible working options available.

Required Skills

Java
API
AWS
Microservices
CI/CD
Data Architecture
Pega
Appian

Additional Information

Required Previous Experiences: Strong Java development experience
Experience designing and developing platforms
Experience translating project vision into iterative delivery
Experience influencing stakeholders and challenging the status quo
Experience leading software and API architecture with AWS Gateways
Experience with telemetry, monitoring, and alerting
Experience building CI/CD pipelines with Git
Experience orchestrating complex workflows and infrastructure deployment
Preferred Qualifications: Agile and Scrum knowledge
Workflow environment expertise, preferably Pega or Appian
Exposure to AI frameworks or cloud-based AI services
Translation Company Name: Commonwealth Bank of Australia