Staff Software Engineer Engineer production services, APIs, data integrations and interfaces that help detect and investigate financial crime. Work across the full product surface, solving complex problems while influencing design and uplifting engineering capability. Help modernise shared platforms and responsibly embed AI and agentic capabilities into critical investigation workflows. Do work that matters Join EC Technology and help engineer the platforms that detect and investigate financial crime across the bank. You’ll work hands-on across services, APIs, data integration and the interfaces used by detection and investigation teams. As a Staff Software Engineer, you’ll be a key technical contributor who ships production code, shapes design decisions and helps other engineers grow. You’ll help modernise our technology by reusing and standardising shared capabilities, reducing duplication and retiring legacy solutions where appropriate. You’ll also help build reliable AI and agentic capabilities that augment human decisions while maintaining appropriate controls. See yourself in our team EC Technology builds the capabilities that support the detection and investigation of fraud and financial crime. The broader Group Security function brings together cyber security, fraud technology, fraud management, investigations and resilience to safeguard the bank and protect customers. In this role, you will: Design, build and operate production services and APIs with clear contracts and integration boundaries. Contribute to architecture and design decisions, including refactoring, modularisation and performance improvements. Consolidate capabilities onto shared platforms and treat the retirement of legacy technology as core engineering work. Build and maintain continuous integration and delivery pipelines, automated testing and progressive delivery practices. Establish strong reliability and observability through dashboards, alerting, service-level objectives and operational ownership. Engineer secure and dependable AI and agentic features, including orchestration, evaluation and guardrails. Embed security, privacy, reliability and regulatory controls into design and delivery. Raise engineering standards through thoughtful code reviews, pairing and clear technical reasoning. We’re interested in hearing from people who: You’re a versatile software engineer with strong computer science foundations and the confidence to work across technologies as the problem changes. You combine hands-on delivery with sound technical judgement, take ownership of production outcomes and help create an environment where engineers can do their best work. Bring strong foundations in algorithms, data structures, concurrency and system design. Have experience across backend services, APIs and data integration, with openness to contributing to internal user interfaces when required. Can design and build services using a modern typed language such as Java, Kotlin, Go or Python, or comparable technologies. Full-stack capability, including experience with React and TypeScript or equivalent technologies, as well as backend-for-frontend layers Understand cloud-native delivery, containers, automated pipelines and production observability. Apply a platform mindset by reusing proven capabilities, reducing unnecessary duplication and simplifying technology estates. Build security, privacy, reliability and risk controls into solutions from the outset. Learn new languages, frameworks and tools according to the needs of the problem. Improve engineering outcomes through collaboration, mentoring, code review and well-reasoned design decisions. Exposure to technologies such as AWS, Kubernetes, Docker, GitHub Actions, Argo CD, React, TypeScript, Kafka, Grafana or Prometheus will be useful. Experience building or operating AI-enabled systems, including model integration, orchestration, evaluation and guardrails, would also be valuable. Equivalent tools and transferable experience are welcomed. Working with us: At CommBank, we're committed to creating an accessible, inclusive and respectful workplace. If you require support or adjustments, please let us know. We welcome applications from people of all backgrounds, and we're particularly committed to making a positive difference for Aboriginal and/or Torres Strait Islander Peoples. For support, please contact 1800 989 696. If this sounds like your next opportunity, apply today. 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. We're aware of some accessibility issues on this site, particularly for screen reader users. We want to make finding your dream job as easy as possible, so if you require additional support please contact HR Direct on 1800 989 696. Advertising End Date: 17/11/2026 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. One where we’re driven by our values, and supported to share ideas, initiatives, and energy. One where making a positive impact for customers, communities and each other is part of our every day. Here, you’ll thrive. You’ll be supported when faced with challenges, and empowered to tackle new opportunities. We really love working here, and we think you will too.

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