Senior Software Engineer

You are collaborative and enjoy solving analytical problems to help our team to reach highest potential

We are a team of big thinkers who are engineering the future of banking

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

Do work that matters

Technology is the enabling force behind information technology functions for the Group to achieve the highest levels of customer experience, security and reliability, velocity, and innovation.  

See yourself in our team

You will play a critical role maintaining and modernising our legacy systems while ensuring robust, scalable, and secure solutions that support key business operations.

We’re interested in hearing from people who:

• Are constantly collaborating with cross-functional teams including business analysts, QA, and project managers to ensure successful delivery
• Are knowledgeable providing technical guidance and mentorship to junior developers
• Participating in code reviews and quality assurance activities
• Maintaining technical documentation for software design, programming, and testing
• Ensuring integration with existing systems and support disaster recovery planning
• Implementing security best practices for mainframe systems
• Ability to work independently and collaboratively in Agile environments
• Exposure to financial services or regulated industries is advantageous
• Have solid hands-on experience designing, developing, and maintaining mainframe applications using PL/01, COBOL and JCL
• Are confident analysing user requirements and translating them into technical specifications
• Perform coding, testing, debugging, and optimisation of mainframe programs

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:

• Experience with monitoring and observability tools such as Prometheus/Grafana, Splunk, AWS CloudWatch
• Event-driven architecture leveraging Kafka, Kinesis, SNS/SQS, or Eventbridge
• Expertise in Security Engineering principles and implementation
• Cloud-native development, preferably with AWS
• Demonstrable experience in mainframe development
• Proficiency in COBOL, PL/1 and JCL
• Proficiency in Java programming language
• Strong understanding of SDLC, system architecture, and performance optimisation
• Experience with DB2, CICS, and debugging tools like AbendAid or FileAid is a plus
• Experience with legacy system modernisation and integration with cloud-native platforms
• Familiarity with DevOps tools such as Jenkins and Git.
• Knowledge of data governance and secure processing standards

Working With Us

We support our people with the flexibility to balance where work is done with at least half their time 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.

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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Advertising End Date: 17/10/2025