Staff Software Engineer – Consumer Underwriting Crew
Build the future of lending technology.
At CommBank, we're reimagining how customers experience lending by building intelligent, cloud native platforms that make faster, smarter and more seamless credit decisions.
We're looking for an exceptional Staff Software Engineer to join our Consumer Underwriting Crew— a hands-on technology leader who thrives on solving complex engineering challenges, shaping technical strategy and delivering high-quality solutions at scale.
This is an opportunity to influence the architecture of critical lending platforms, mentor talented engineers, and drive the adoption of modern engineering and AI-powered development practices across the crew.
Do work that matters :
As a Staff Software Engineer, you will:
Lead the design and delivery of scalable, secure and resilient solutions using .NET/.NET Core and AWS.
Drive architecture and technical design for cloud-native platforms supporting our Consumer Underwriting capabilities.
Own solutions end-to-end—from design and development through to deployment, production support and continuous improvement.
Partner with Product Owners, Architects and Engineering Leads to shape technical direction and platform strategy.
Mentor engineers, raise engineering standards and foster a culture of technical excellence.
Champion DevSecOps, automation and engineering best practices.
Leverage AI-powered engineering tools to improve software quality, developer productivity and delivery outcomes.
We're looking for someone who brings:
Extensive hands-on experience developing enterprise applications using .NET/.NET Core and C#.
Strong solution architecture and system design capability, with experience building scalable distributed systems.
Deep knowledge of AWS and cloud-native application development. Experience designing secure APIs, event-driven architectures and highly available enterprise platforms.
Strong understanding of DevSecOps, CI/CD, Infrastructure as Code and modern software engineering practices.
Proven experience leading complex technical initiatives and delivering business outcomes end to-end.
A collaborative leadership style with a passion for mentoring engineers and influencing technical direction across multiple teams. Practical experience using AI-assisted engineering tools such as GitHub Copilot, Claude Code or similar to accelerate software delivery.
Technical expertise
- .NET / .NET Core / C#
- AWS cloud services and cloud-native architecture
- REST APIs, Microservices and Event-Driven Architecture
- Docker, Kubernetes, Terraform and CI/CD pipelines
- Observability, monitoring and production reliability
- Automated testing and engineering quality practices
- Secure software engineering and application security
- AI-assisted software development and modern engineering practices
If you're passionate about building modern cloud solutions, influencing engineering strategy and delivering technology that transforms the lending experience for millions of customers, we'd love to hear from you
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.
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Skills Required
- .NET / .NET Core / C# development experience
- Strong solution architecture and system design for distributed systems
- Deep knowledge of AWS and cloud-native application development
- Designing secure APIs, event-driven architectures and highly available platforms
- Experience with REST APIs, Microservices and Event-Driven Architecture
- Docker and Kubernetes container orchestration
- Terraform and Infrastructure as Code
- CI/CD pipeline design and DevSecOps practices
- Observability, monitoring and production reliability practices
- Automated testing and engineering quality practices
- Secure software engineering and application security experience
- Proven experience leading complex technical initiatives and delivering end-to-end
- Mentoring engineers and influencing technical direction across teams
- Practical experience using AI-assisted engineering tools (e.g., GitHub Copilot, Claude Code)
What We Do
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.






