Join to apply for the Senior Software Engineer role at Commonwealth Bank 2 days ago Be among the first 25 applicants Join to apply for the Senior Software Engineer role at Commonwealth Bank Get AI-powered advice on this job and more exclusive features. Do work that matters We are creating the bank of tomorrow today and require top Engineers who focus on the customer experience and deliver exceptional solutions. Our Payments team is leading a transformative program to enhance customer experiences, driving innovation and exploring modern technologies in payment solutions. As a Senior Software Engineer, you’ll play a pivotal role in shaping the future of Engineering at CommBank, championing cutting-edge solutions and fostering innovation that drives real-world impact. Your technical expertise and leadership will guide the team in addressing complex challenges while ensuring scalability, security, and reliability in all deliverables. Staff Engineer (Typescript/Java & AWS) Sydney/Melbourne location Do work that matters We are creating the bank of tomorrow today and require top Engineers who focus on the customer experience and deliver exceptional solutions. Our Payments team is leading a transformative program to enhance customer experiences, driving innovation and exploring modern technologies in payment solutions. As a Senior Software Engineer, you’ll play a pivotal role in shaping the future of Engineering at CommBank, championing cutting-edge solutions and fostering innovation that drives real-world impact. Your technical expertise and leadership will guide the team in addressing complex challenges while ensuring scalability, security, and reliability in all deliverables. See yourself in our team While the Payment Domain is part of the Business Banking unit, its reach extends to every part of the Bank. The team consists of engineers and technology leaders with a diverse set of skills to support this transformation. The team is also responsible for driving Engineering Governance, Continuous Delivery, and key technological simplification initiatives such as Cloud and Payments Event-based architecture. As a Senior Software Engineer, you'll be a key team member of the Payment as a Service (PaaS) customer onboarding squad, working on improving the customer onboarding journey. You'll design solutions for complex challenges with a strong focus on security from the first line of code. You'll also encourage others to enhance their engineering skills while building top-tier applications. We’re interested in hearing from people who: Have experience decomposing monoliths, Or experience of building microservices at scale, Or experience of building data intensive APIs, Or experience of building event driven applications. Have real world experience of operating microservices in the DevSecOps model. Have real world experience of addressing Tech Debt using a commercially focused and pragmatic approach. Have real world experience of building high performing Engineering teams and upskilling lower performing teams. Identifies, gains support and ensures execution of technical direction and strategy for the business. Designs and implements solutions to complex problems, including onboarding and migrating to new tooling as well as removing obsolete systems and code. Encourages risk-taking and constructively challenges the status quo while influencing stakeholders and building diverse and inclusive teams. We are looking for people with: Application development experience using a modern language such as TypeScript/Java and REST APIs. Serverless Computing using AWS (AWS lambda, API gateway, IAM Roles & Policy, SQS, SNS, Dynamo). Sound knowledge of OAuth2 and mTLS. Infrastructure as code using AWS CDK/Terraform/CloudFormation/SST. Experienced in working in a DevOps environment and contributing to the CI-CD pipeline. Microservices architecture, Design Patterns and best practices in software programming. Working knowledge on Pub-Sub and Streaming technologies such as SQS, SNS, Kafka and Kinesis. Monitoring and logging tools such as Splunk, CloudWatch. Experienced in performance tuning while building high throughput and resilient applications. SDLC with Agile methodology. A degree in Computer Science or a related field. If this sounds like you, apply today! We support our people with the flexibility to balance where work is done with at least half your time each month connecting in office. 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: 29/08/2025 Seniority level Seniority level Mid-Senior level Employment type Employment type Full-time Job function Job function Engineering and Information Technology Referrals increase your chances of interviewing at Commonwealth Bank by 2x Get notified about new Senior Software Engineer jobs in Sydney, New South Wales, Australia . 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