Principal Software Engineer – Backend Platforms & Service Domains
Commonwealth Bank of Australia27 days ago
Sydney, Australia or Melbourne, AustraliaStaff+
Responsibilities
- Design, build, operate, and improve large-scale backend platforms, service domains, APIs, integrations, workflow orchestration, and distributed systems.
- Provide technical leadership across platform architecture, modernization, scalability, performance, reliability, and operational excellence.
- Establish engineering standards, architectural guardrails, reusable frameworks, developer tooling, and platform capabilities for multiple engineering teams.
- Contribute hands-on through solution design, coding, code reviews, technical decisions, and resolution of complex engineering challenges.
- Drive DevSecOps, automated testing, observability, SRE practices, resilience engineering, and secure-by-design engineering.
- Collaborate with product, architecture, engineering, and business leaders to deliver customer and business outcomes.
- Mentor senior engineers and technical leaders while promoting ownership, accountability, continuous improvement, and full-cycle engineering practices.
Requirements
- Deep experience designing, building, and operating large-scale backend platforms and distributed systems with end-to-end ownership.
- Proven technical leadership in domain-driven design, service decomposition, platform modernization, and cloud-native service ecosystems.
- Strong experience with AWS, microservices, APIs, event-driven architectures, Kafka, EventBridge, serverless technologies, and modern integration patterns.
- Experience with platform engineering, engineering standards, reusable frameworks, developer tooling, and capabilities that accelerate delivery across teams.
- Experience with DevSecOps, CI/CD, automated testing, observability, SRE practices, resilience engineering, and secure-by-design principles.
- Hands-on software engineering capability, including coding, code reviews, technical decision-making, and solving performance, scalability, and reliability problems.
- Full-stack and full-cycle engineering understanding across backend platforms, user experiences, data, infrastructure, and operations.
- Experience using AI-powered engineering practices, automation, and developer productivity tooling to improve software quality and delivery outcomes.
- Ability to influence engineering strategy, mentor senior technical staff, and lead through complex transformation environments.
- Experience with several listed technologies including C#, .NET Core, Python, Java, React, Next.js, AWS, Kafka, Docker, Kubernetes, and the other platform, testing, observability, security, messaging, and database tools described in the posting.
Benefits
- Opportunity to work on a major multi-year business lending modernization program with meaningful impact on Australian businesses and communities.
- Work on scalable, cloud-native platforms supporting millions of customer interactions across digital banking channels.
- Collaborate with engineers, architects, product specialists, and business leaders in a large-scale banking technology environment.
- Advertising end date: 10/09/2026.
Tech Stack
Apache JMeterApache KafkaAWSC#DatadogDockerGitHub ActionsGrafanaGraphQLJavaKubernetesNext.jsPostgreSQLPostmanPrometheusPythonReactSeleniumSonarQube
About Commonwealth Bank of Australia
Australia’s leading provider of financial services including retail, premium, business and institutional banking, funds management, superannuation, insurance, investment and sharebroking products and services. We are a business with more than 800,000 shareholders and over 52,000 employees. We offer a full range of financial services to help all Australians build and manage their finances. Connect with us, we'd like to hear from you: facebook.com/commonwealthbank twitter.com/commbank youtube.com/commbank youtube.com/commbankbusiness instagram.com/commbank Our Community Guidelines can be found at: https://www.commbank.com.au/support/social-networks.html For information on our Privacy Policy visit https://www.commbank.com.au/support/privacy