Staff Software Engineer - CommBiz Mobile & Insight crew

You are passionate, driven, flexible and collaborative

We are high performing engineers pushing the boundaries of software engineering

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

Do work that matters

Business Banking Technology is responsible for the world-leading application of technology and operations across every aspect of CommBank – from innovative product platforms for our customers, to essential tools within our business. We also use technology to drive simplicity and better banking, an essential component of great customer service underpinning a strong emphasis on software development as a craft and the adoption of industry best engineering practices.

See yourself in our team

As a Staff Software Developer, you will be part of a small squad within the CommBiz Mobile & Insight crew. You will be working with engineers on backend API and native CommBiz Mobile App for enterprise size clients. We offer regular opportunities to work on some of the finest IT systems in Australia, as well as opportunity to develop careers across different functions and teams within the wider Bank.

You'll be hands-on coding and be responsible for shaping the evolution of this system by designing and developing micro services, data access layers, REST API(s), and writing integration services for third-party API consumption, manage risk with safe deployments and automated testing, as well as learning more about back-end engineering. You will have the opportunities to work on frontend web and native applications. You'll also be invited to join our regular engineering guilds and provide technical guidance to the junior members of the team.

We are interested in hearing from people who have

Proven hands-on experience in developing backend applications using such as C# .NET Core, REST APIs, WebAPI, TypeScript, Node.JS, Next.JS

Proven hands-on experience in developing front applications using Next.js, React.js, Angular, TypeScript

Proven experience in solution architecture design for enterprise scale applications

You’re passionate about building developing and deploying high quality software solutions

Pride themselves on their ability to collaborate, present ideas, influence and challenge stakeholders

You’re actively involved in continuous learning, experimentation and innovation, ready to apply and promote industry best patterns and practices, driving high quality outcomes to solve core business objectives

Solid hands-on experience with the full software development lifecycle and delivery using Agile practices. GitHub, CI/CD, Automated Testing, infrastructure cloud pipelines, logging and monitoring.

Are constantly thinking outside the box and breaking boundaries to solve complex technical problems and core business objectives

Are knowledgeable of security best practices and principles

Work on cross-functional projects, ensuring alignment and addressing inter-dependencies

Coaching and mentoring junior members in the team

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 (or equivalents) will set you up for success in this team:

C# .NET Core, REST APIs and WebAPI

NodeJS, NestJS, ExpressJS, TypeScript

Angular, React, NextJS

AI powered engineering tools (e.g. Claude, Copilot)

Micro services and REST API Integration

Create database designs for both relational and NoSQL databases such as DocumentDB, MSSQL, Oracle and Snowflake

Build and hosting technologies (e.g., Kubernetes, Docker)

GitHub, TeamCity, Octopus, Git Hub Action

CloudFormation + AWS Code Pipeline, Azure DevOps

Cloud hosting platforms AWS and Microsoft Azure

Familiarity with public cloud engineering - AWS or Azure or Microservices or Kafka/event-based architecture

Understanding of monitoring tools and CI/CD pipeline. (TeamCity, Octopus, GitHubAction, Observe, Splunk)

Demonstrated knowledge of security best practices and principles.

Test Automation tools

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.

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: 03/08/2026