Staff Software Engineer: Lead Platform & API Excellence

Coleambally; Sydney; On-site; AUD 180,000 - 240,000; Full time

Job summary

CommBank in Sydney seeks a Staff Software Engineer to blend hands-on coding with technical leadership across a cross‑functional squad. You will help shape engineering standards, own code from design to production, and drive scalable, secure services and APIs that power millions of customers.

You'll work closely with mobile, web and backend engineers, mentor teams, advance testing and CI/CD practices, and explore AI‑assisted development to raise the bar across the platform.

Qualifications

• Strong track record designing and running large-scale systems in production.
• Own code from design to production, including testing and release.
• Thorough in testing; treat quality as part of the job.
• Comfortable with monorepo and microservices architectures.
• Navigate ambiguity and turn complex problems into pragmatic solutions.

Responsibilities

• Deliver customer excellence by designing services, APIs and experiences.
• Lead as an owner: from design to production, manage risk.
• Design and evolve GraphQL subgraphs and schemas.
• Stay hands-on while guiding technical design.
• Set technical direction and patterns for scalability.
• Mentor engineers and foster constructive code reviews.
• Improve automated testing, CI/CD, observability and automation.
• Explore AI agent-first development to speed delivery.

Skills

Backend development

GraphQL

Frontend development

Architecture

APIs

Testing

Cloud

Tools

AWS

Docker

Kubernetes

CI/CD

GitHub Actions

Job description

CommBank in Sydney seeks a Staff Software Engineer to blend hands-on coding with technical leadership across a cross‑functional squad. You will help shape engineering standards, own code from design to production, and drive scalable, secure services and APIs that power millions of customers.

You'll work closely with mobile, web and backend engineers, mentor teams, advance testing and CI/CD practices, and explore AI‑assisted development to raise the bar across the platform.