Senior Software Engineer

You will build technology solutions for Global Markets

We are a team of big thinkers who are engineering the future of banking

Together we will build tomorrow’s bank today, using world-leading technology and innovation

Do work that matters

We're building tomorrow’s bank today, which means we need creative and diverse engineers to help us redefine what customers expect from a bank. Envisioning new technologies that are still waiting to be invented and reimagining products that support our customers and help build a brighter future for Australia.

Here, you will be empowered to deliver world-class, competitive banking products and services with unparalleled levels of service and reliability.

See yourself in our team

Join CommBank’s Institutional Banking & Markets Technology team, where we combine next-generation technology with leading banking and markets capabilities to help our clients succeed.

As a Senior Software Engineer, you’ll work on Beacon, IBM’s strategic quantitative platform supporting Trading, Sales, Market Risk and Quant teams across Global Markets. You’ll use your strong Python engineering expertise to build scalable, resilient solutions for quantitative and trading workflows.

You’ll take ownership of complex features and services from design through to production, contribute to architecture and technical design decisions, and mentor other engineers. You’ll also help improve reliability, automation, observability and developer productivity across the team.

We are interested in hearing from people who

Bring strong Python engineering and system design skills, with experience building production-grade software.

Understand Financial Markets, particularly trading and derivatives.

Have experience working with Quant teams or in quantitative trading environments.

Solve complex technical and business problems with strong engineering judgement.

Collaborate effectively with Quants, Trading, Product, Architecture and engineering teams.

Contribute to engineering standards, code quality, mentoring and continuous improvement.

Tech Skills

We use a broad range of tools, languages, and frameworks. We do not expect you to know them all but experience or exposure with some of these, or a willing to learn these skillsets (or equivalents) will set you up for success in this team!

Certified AWS Solution Architect or Software Engineer

Hands-on Python software engineering, building scalable and maintainable production systems.

Solid software engineering fundamentals, including system design, clean code and automated testing.

Good understanding of Financial Markets, particularly trading and derivatives.

Background working with Quant teams or in quantitative trading environments.

Designing scalable applications, APIs and distributed or data-intensive systems.

Working knowledge of AWS, CI/CD, Infrastructure as Code and observability, using tools such as GitHub Actions, Jenkins and Terraform.

Nice to have:

Knowledge of FX products, particularly currency swaps.

Exposure to pricing, risk, trading or quantitative platforms.

Working with us

Whether you’re passionate about customer service, driven by data, 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 our Sydney office. We also have many other flexible working options available including changing start and finish times, part-time arrangements and job share to name a few. Talk to us about how these arrangements might work for you.

Here, you’ll thrive. You’ll be supported when faced with challenges and empowered to tackle new opportunities. We’re hiring engineers from across Australia and have opened technology hubs in Melbourne and Perth. 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.

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Advertising End Date: 16/11/2026