Principal Software Engineer - .Net Fullstack at Commonwealth Bank

Sydney, New South Wales, Australia -

Full Time

Start Date

Immediate

Expiry Date

24 Feb, 26

Salary

0.0

Posted On

26 Nov, 25

Experience

5 year(s) or above

Remote Job

Yes

Telecommute

Yes

Sponsor Visa

Skills

Full Stack Development, React.js, Next.js, .NET Core, C#, Microservices, APIs, AWS, Docker, Kubernetes, CI/CD, PostgreSQL, Oracle, DevSecOps, Agile Delivery, Automated Testing

Industry

Financial Services

Description

We are embarking on an engineering transformation with a key focus on Full Stack Engineering You have knowledge that spans both development and operations, including coding, infrastructure management, system admin/engineering, and DevOps toolchains. Together we will build tomorrow’s bank today, using world-leading engineering, technology, and innovation. Do work that matters: As a Principal Software Engineer, you’ll play a pivotal role in leading the technical vision and architecture for a major Contact Centre transformation across the Group. This is a high-impact opportunity to drive the end-to-end implementation of a cutting-edge solution. You’ll be responsible for designing and delivering cloud-native, scalable, secure, and high-performance solutions on AWS, leveraging your full-stack expertise in React or Next.js and NET/.NET Core. You'll be a strategic thinker with deep technical acumen, capable of guiding engineering teams and influencing cross-functional stakeholders to deliver enterprise-grade platforms. See yourself in our team: The Agent Excellence Crew within the Group’s broader Retail Technology Division leads the innovation and operational delivery of the Group’s complex Contact Centre technology services. We are the team behind the voice and messaging channels that power customer interactions across the Group’s Contact Centres. Our mission is to design and deliver intelligent, seamless, and responsive customer and sales experiences. You’ll be at the heart of a high-performing engineering team, shaping the future of how millions of customers connect with us. We’re interested in hearing from people who: Lead as a technical subject-matter expert, mentoring engineers and sharing knowledge through workshops, guilds, and collaborative forums. Design and implement innovative, scalable solutions as part of a cross-functional squad, using technologies like GraphQL, modern data access layers, and cloud-native services on AWS. Work with a DevSecOps mindset, owning the full lifecycle of you build it, you secure it, you test it, and you run it, with a strong grasp of CI/CD, automated testing, infrastructure pipelines, logging, and monitoring. Leverage AI-assisted development tools such as GitHub Copilot, Cursor, Figma AI, and others to accelerate delivery and improve code quality. Collaborate closely with stakeholders, translating business needs into technical solutions that deliver real value, while continuously driving process improvements and innovation. Think outside the box, challenge the status quo, and bring a creative mindset to solving complex problems - experience in the banking/contact center technology domain is a plus. 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 Full Stack Development: Strong expertise in React.js, Next.js, and NET Core, C# with experience designing scalable microservices and APIs (GraphQL & REST). Cloud & DevOps: Hands-on experience with AWS, Docker, Kubernetes, and CI/CD tools like GitHub Actions, TeamCity, and Jenkins. Database & API Design: Proficient in PostgreSQL, Oracle, and modern data access patterns. Monitoring & Observability: Familiar with tools like Prometheus, Grafana, Splunk, and AWS CloudWatch. AI & GenAI Tools: Exposure to GitHub Copilot, Cline, Roocode, AWS Bedrock, and a working understanding of LLMs and machine learning concepts. Secure Engineering & DevSecOps: Deep understanding of security principles, DevSecOps, and SRE practices. Agile Delivery & Testing: Proven experience with TDD/BDD, automated testing, service virtualization, and cloud-native application development. Previous experience with Contact Centre technologies, such as Microsoft Dynamics, Genesys, LivePerson, or similar platforms—highly regarded. Working with us: Whether you’re passionate about customer service, driven by software engineering, or called by creativity, a career with CommBank is for you. We support our people with the flexibility to balance where work is done with at least half your time each month connecting in office. 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. 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. 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: 18/12/2025 Whether you’re passionate about customer service, driven by data, or called by creativity, a career with CommBank 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.

Responsibilities

As a Principal Software Engineer, you’ll lead the technical vision and architecture for a major Contact Centre transformation. You’ll be responsible for designing and delivering cloud-native, scalable, secure, and high-performance solutions on AWS.