Senior Software Engineer

Commonwealth Bank

. Design, build and support scalable APIs, automation services and software solutions .

Posted 9/21/2026full-timeSydney • AustraliaSeniorWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates strong full-stack software engineering capabilities with expertise in backend development, API design, and automation solutions. Proficient in modern programming practices, CI/CD, and cloud environments, while fostering collaboration and continuous improvement across teams.

Highest-signal resume keywords

Full-Stack Software EngineeringAPI Design and DevelopmentCloud Environments (AWS, Azure)CI/CD and Deployment AutomationCyber Security Experience

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Python ProgrammingObject-Oriented ProgrammingInfrastructure as CodeAutomated TestingQuality EngineeringSystem DesignCloud-Native ServicesDistributed SystemsMonitoring and ObservabilitySoftware Design Principles

Soft Skills

Problem-SolvingLearning AgilityCuriosityCollaboration

Industry Keywords

Agile MethodologiesSecurity EngineeringIncident ResponseOperational EfficiencyContinuous Improvement

Tech Stack

Tools & technologies

AWSAzureCloudCyber SecurityDistributed SystemsPython

About the role

Key responsibilities & impact

Design, build and support scalable APIs, automation services and software solutions
Develop solutions addressing complex security and operational challenges across the organisation
Contribute across the full software development lifecycle, from design and development through testing, deployment and production support
Deliver high-quality, maintainable code using modern engineering practices
Champion best practices in testing, CI/CD, observability and operational support
Improve reliability, performance and maintainability of engineering solutions
Participate in code reviews and continuous improvement initiatives
Identify and resolve recurring technical issues
Work with engineers, product owners and security teams to deliver impactful solutions
Investigate complex technical challenges and contribute innovative solutions
Support architecture, design and delivery decisions
Collaborate across squads to share knowledge and improve outcomes
Stay current with emerging technologies and modern development practices
Explore automation and AI-driven tools to improve engineering outcomes
Contribute ideas improving processes, tooling and operational efficiency

Requirements

What you’ll need

Strong full-stack software engineering experience with deep backend engineering expertise
Experience across the full software development lifecycle, including design, development, testing, deployment and production support
Experience designing and building APIs, automation solutions or distributed systems
Solid programming experience in Python or similar modern programming languages
Experience with cloud environments such as AWS or Azure
Strong understanding of CI/CD, testing and deployment automation
Experience working in Agile teams and contributing to end-to-end delivery
Strong problem-solving capability
Learning agility and curiosity, with ability to adapt to new technologies and unfamiliar challenges
Experience in cyber security, security engineering or incident response highly regarded but not essential
Strong frontend and backend software engineering skills
Object-oriented programming and modern software design principles
Infrastructure as Code
Cloud-native services and distributed systems
Automated testing and quality engineering
Monitoring, observability and operational support
Secure software development practices
System design and architecture

Benefits

Comp & perks

Flexible work arrangements to thrive both at work and at home
Diversity, inclusion and wellbeing-focused workplace
Career development opportunities
Internal career support for Commonwealth Bank Group employees