We’rea venture-scaler powered by CommBank. That means we build, buy, and invest in startups that couldbenefitthe bank’s 15 million customers and beyond.

Because of what we do,we’rereally neither corporate, nor startup –insteadwe’rehappily navigating the space between both worlds.We'reclose enough tobenefitfrom the bank’s strategy,scaleand stability, but separate enough that we have the autonomy to try new things. To be a sandbox for change

What about yourteam?

We are looking foroSeniorSoftware Engineer with knowledge and a broad range of concepts, technology, and domain insights to develop and deliver world-class software solutions.

You will be primarily responsible for building softwarein fast-paced,greenfieldenvironments, using the latest cloud tooling & frameworks to createearly-stageprototypes & MVP releases that help advance business cases for new products.

Along withtheinitialbuild, there is an expectation you can helpestablishand evolvethese initiatives tohelpexpandour portfolio of ventures.

Key Responsibilities

Experience

The ideal candidate will bring the following qualifications andexpertise:

Experience as a product-minded engineer, working from customer problems through to MVP solutions while helping shape product direction and delivering high-quality software

Design, implement, and run full-stack applications, ensuring seamless integration across front-end, back-end, and database layerswithhigh test coverage

Implement andmaintainrobust CI/CD pipelinesandInfrastructure asCode for a full stack project using AWS

Proactivelyidentify, prioritize, and address technical debt, ensuring sustainable code quality and alignment with long-term project goals

Take initiative andprovideexpert guidance tothe business on how to scope & develop new products

We are interested to hear from people who have experience in

Strong experience in software design, including designing scalable, maintainable, and well-structured systems with clear separation of concerns and sound engineering trade-offs





Strong experience with automated testing across the whole testing pyramid, including unit, integration, and end-to-end testing to support quality, reliability, and confident delivery

5+ years of programming and software development experience. Experience and comfort in TypeScript and Node.js

Proven experience building up-to-date front-& back-end experiences using modern web technologies such asNext.js/React

Experience integrating and developing queries for SQL databases such as PostgreSQL

Experience in web security practices with proven experience implementing andmaintainingsecure applications

Experience applying Domain-Driven Design to model complex business domains,establishclear bounded contexts, and create software that aligns closely with business concepts and workflows

Experience with, or curiosity about, AI-native engineering, including exploring how AI-assisted tools, agents, and workflows can improve software delivery, developer productivity, and product capability

What’sin it for you?

Joining x15 gives you access to opportunities youwon’tfind in standalone corporate or startup roles.

You'dbe joining a team of experts, united by a love of finding solutions and making an impact. That means considerable diversity in your day-to-day. In what other role would you get to work with early-stage startups, more mature ventures, and Australia's leading bank, in anenvironment that encourages fresh ideas and innovation?

Generousperks- Including staff discounts on a variety of brands & financial products

Flexibility - our community make their career fit their lifestyle

Opportunity to thrive in the space between –Access to a space between corporate and startup, where our people explore, innovate and create without fear.

A diverse community - Access to a brilliant network of talented humans who live and champion our values and do things a little differently- the x15 way.

We value a diverse range of backgrounds and ideas and know this is fundamental for our future success.

Access to broad engineering community and potential to work within different ventures and the bank in the future

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📌 Senior Software Engineer, x15ventures (New South Wales)
🏢 Commbank
📍 New South Wales