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Principal Software Engineer

Commonwealth Bank -
Sydney NSW

Apply Now

Job Details

Full-time
7 days ago

Qualifications

CI/CD
AWS
Communication skills
High availability

Full Job Description

Principal Software Engineer – CommBank Health

Do work that matters

At CommBank, we’re building the future of payments and digital experiences for critical industries across Australia.

Within our Payments & Acceptance domain, CommBank Health plays a unique role at the intersection of payments and healthcare — enabling seamless claiming and payment experiences between healthcare providers, insurers, and government services.

As a Principal Software Engineer, you will lead the technical direction of this platform while remaining hands-on in its evolution. You’ll shape how we modernise our engineering environment, uplift capability, and bring strategic platforms in-house.

This is your opportunity to define strategy and execute it in a high-impact domain that directly supports real-world healthcare transactions.

See yourself in our team

You’ll join CommBank Health, a specialised engineering team sitting within the broader Payments & Customer Present ecosystem.

Our platform supports critical healthcare payment and claiming journeys across Australia, including:

In-terminal healthcare claiming and payments

Integration with Medicare, private health funds and government services

eCommerce-based healthcare transactions

Payment terminals and customer-present experiences

With multiple squads across platform and application engineering, the team is on a journey to uplift engineering maturity and modernise its core platforms.

You’ll work closely with Engineering Managers, Chapter Leads, Architects and senior engineers to drive technical alignment across the domain.

What you’ll do

Technical Strategy & Platform Evolution

Define and execute the technical vision for CommBank Health platforms

Lead migration from externally managed environments to internal platforms (e.g. DevOps hosting, pipelines)

Guide modernisation of architecture, tooling and engineering practices

Ensure systems are scalable, secure and aligned to long-term platform strategy

Cross-Squad Technical Leadership

Provide technical leadership across multiple squads and engineering chapters

Drive consistency in architecture, patterns and platform capabilities

Solve complex cross-domain challenges across payments, terminals and healthcare systems

Influence engineering roadmaps and prioritisation across the domain

Engineering Excellence

Uplift engineering maturity, code quality and DevSecOps practices

Champion modern CI/CD, automation and platform engineering approaches

Improve reliability, vulnerability management and operational standards

Help reduce reliance on managed service providers by building internal capability

Leadership & Influence

Act as a “voice of technology” across engineering and business stakeholders

Mentor and coach engineers, staff engineers and engineering leaders

Influence through technical credibility and hands-on contribution

Partner with product and business teams to align technology with customer outcomes

Hands-on Engineering

Contribute directly to code, design and solution delivery

Act as a squad-level technical leader where required

Remain close to delivery to ensure high-quality outcomes

We’re interested in hearing from people who have

Proven experience leading technical strategy across multiple engineering teams or domains

Strong hands-on engineering background at Principal/Staff level

Experience modernising platforms and migrating away from vendor-managed environments

Deep knowledge of distributed systems and cloud-native architectures

A track record of uplifting engineering capability, standards and culture

Strong communication skills and the ability to influence senior stakeholders

Experience operating in complex, regulated or high-availability environments

Payments or healthcare experience is beneficial but not essential.

Technical skills

We don’t expect expertise in every technology below — we’re looking for strong engineering leaders with broad experience across modern ecosystems .

Software Engineering

Strong backend engineering experience (e.g. .NET or similar)

API-driven and microservices architectures

Distributed systems design

Cloud & Platform Engineering

AWS (or equivalent cloud platforms)

CI/CD, DevSecOps and pipeline modernisation

Platform engineering and internal developer platforms

Architecture & Integration

System integration across external partners and services

Web-based platforms and service-oriented systems

Exposure to mobile (Android) or terminal applications is beneficial

Why join us?

Define and deliver the technical strategy for a unique payments + healthcare platform

Work hands-on while influencing multiple squads and engineering leaders

Lead a critical modernisation journey (platform migration, DevOps uplift, engineering maturity)

Solve complex challenges across payments, claims and real-time transaction systems

Gain exposure to the broader Payments & Customer Present ecosystem

Leave a lasting impact on how healthcare payments are delivered in Australia

Working with us

Whether you’re passionate about customer service, driven by data, or called by creativity, a career at CommBank is for you.

We support our people with the flexibility to thrive both at work and at home, fostering a culture where diversity, inclusion and wellbeing are prioritised. Together, we’re committed to building a workplace where everyone can achieve their potential.

Apply today!

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.

We're aware of some accessibility issues on this site, particularly for screen reader users. We want to make finding your dream job as easy as possible, so if you require additional support please contact HR Direct on 1800 989 696.

Advertising End Date: 29/07/2026

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