Senior Software Engineer, Open ID

Commonwealth Bank

Senior Software Engineer developing full-stack applications in a venture-scaled environment for CommBank. Responsible for building software solutions and guiding technical initiatives.

Posted 4/24/2026full-timeSydney • 🇦🇺 AustraliaSeniorWebsite

Tech Stack

Tools & technologies

AWSAzureCloudDistributed SystemsFlutterNext.jsNode.jsPostgresReactReact NativeSQLTerraformTypeScriptVue.js

About the role

Key responsibilities & impact

Design, implement, and run full-stack applications, ensuring seamless integration across frontend, backend, databases, APIs, identity platforms, and third-party vendor systems
Implement and maintain secure, scalable platforms and infrastructure as code using Terraform for a full stack project on AWS and/or Azure
Design and support complex end-to-end workflows across multiple systems and vendors, including troubleshooting issues that span multiple components and ownership boundaries
Work with standards-based identity and integration patterns, including OpenID Connect, to deliver secure and reliable cross-platform workflows
Proactively identify, prioritise, and address technical debt, ensuring sustainable code quality and alignment with long-term project goals
Take initiative and provide expert guidance to the squad on how to grow a foundational new product

Requirements

What you’ll need

6+ years of programming and software development experience
Experience and comfort in TypeScript and Node
Proven experience building modern front-end and back-end experiences using modern web technologies such as Vuejs or Nextjs or React
Experience integrating and developing queries for SQL databases such as Postgres
Strong experience integrating multiple systems and vendors into robust end-to-end workflows
Strong troubleshooting skills across complex distributed systems, with the ability to diagnose issues spanning application code, APIs, identity flows, infrastructure, and third-party platforms
Knowledge of testing practices such as unit, integration or end to end testing
Strong expertise in web security practices, with proven experience implementing and maintaining secure applications
Strong experience in OpenID Connect / Open ID 4 or similar standards-based identity protocols such as Auth0/ Ping ID
Cloud infrastructure and infrastructure as code experience, ideally AWS and Terraform
Desired Terraform/Cloudformation/other IaaC tools
React Native/Flutter/other cross-platform mobile frameworks

Benefits

Comp & perks

Generous perks - 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

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

TypeScriptNodeVuejsNextjsReactSQLPostgresOpenID ConnectTerraformCloudformation

Soft Skills

troubleshootinginitiativeguidanceprioritizationaddressing technical debtsustainable code quality