eCommerce Payments | Payments & Acceptance | Business Banking Technology | Sydney
Shape the future of digital commerce at scale
Build modern cloud-native products powering payment experiences for Australian businesses
Influence architecture, engineering standards and technical direction across a rapidly growing platform
Join a major transformation replacing legacy payment technology with modern in-house solutions
Do work that matters
At CommBank, we're building the future of digital commerce for Australian businesses.
Following the acquisition of a leading payment service provider, we're investing heavily in the next generation of our eCommerce platform. Our mission is to simplify how merchants onboard, accept payments, process transactions and receive settlements through modern, scalable technology built in-house.
See yourself in our team
As a Staff Software Engineer, you'll join one of our core engineering squads responsible for merchant onboarding or payment processing capabilities. You'll help design and build products that power the end-to-end eCommerce journey for some of Australia's largest businesses while influencing technical direction across a growing engineering organisation.
This is an opportunity to work on a platform that is actively being transformed, replacing legacy vendor solutions with modern cloud-native services and delivering new customer experiences at scale.
Business Banking Technology executes the technology strategy across Business Banking through the application of modern technology, resilient platforms and engineering excellence to deliver valuable customer outcomes at speed and scale.
You'll join the Payments & Acceptance domain, a growing engineering organisation of more than 60 engineers responsible for critical eCommerce capabilities including:
Merchant onboarding and activation
Payment transaction processing
Settlement and reconciliation services
eCommerce platform services
Customer-facing merchant experiences
With multiple strategic capabilities being launched throughout the year, you'll play a key role in shaping the architecture, engineering practices and customer outcomes of a platform that is still being built.
Grow. Belong. Shape what's next.
What you'll do
Lead the design and delivery of scalable, resilient and secure software solutions across our eCommerce payments platform
Build and evolve Java-based microservices supporting merchant onboarding, payment processing and settlement capabilities
Contribute across the technology stack, from backend services and APIs through to cloud infrastructure and customer experiences
Drive architectural decisions and influence engineering direction across squads
Champion engineering excellence through automated testing, CI/CD, observability and DevSecOps practices
Partner with product, architecture and business stakeholders to deliver meaningful customer outcomes
Mentor engineers and uplift technical capability across the team
Support production systems and continuously improve reliability, performance and operational excellence
We're interested in hearing from people who
Bring deep software engineering expertise and a passion for building scalable, customer-focused platforms. You'll be comfortable leading complex technical initiatives while remaining hands-on and close to delivery.
We're particularly interested in people who have:
Proven experience designing and delivering complex distributed systems at scale
Strong hands-on software engineering capability and a passion for solving challenging technical problems
Experience building microservices architectures within cloud-native environments
Strong architectural and systems design skills
A track record of mentoring engineers and influencing technical decision-making
Excellent stakeholder management and communication skills
The ability to balance strategic thinking with hands-on engineering delivery
A growth mindset and curiosity for emerging technologies and engineering practices
Technical experience
Experience with some of the following technologies will help you succeed:
Backend Engineering
Java
Spring Boot
RESTful APIs
Microservices Architecture
Event-Driven Systems
Domain-Driven Design (DDD)
Cloud & Platform
AWS
Kubernetes
Docker
Terraform and/or CloudFormation
Engineering Excellence
CI/CD Pipelines
Automated Testing
Observability and Monitoring
DevSecOps Practices
Agile Software Delivery
Front-End Technologies (Highly Regarded)
React
TypeScript
Node.js
Next.js
Emerging Technology
Exposure to AI-powered development or operational tooling
Interest in applying AI to engineering and security challenges
Experience evaluating and adopting new technologies
Working with us
At CommBank, we're committed to creating an accessible, inclusive and respectful workplace. If you require support or adjustments, please let us know. We welcome applications from people of all backgrounds and we're particularly committed to making a positive difference for Aboriginal and/or Torres Strait Islander Peoples. For support please contact 1800 989 696.
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.
Skills Required
- Proven experience designing and delivering complex distributed systems at scale
- Strong hands-on software engineering capability
- Experience building microservices architectures in cloud-native environments
- Strong architectural and systems design skills
- Experience mentoring engineers and influencing technical decisions
- Excellent stakeholder management and communication skills
- Ability to balance strategic thinking with hands-on engineering delivery
- Experience with Java, Spring Boot, RESTful APIs, microservices, event-driven systems, or domain-driven design
- Experience with AWS, Kubernetes, Docker, Terraform, or CloudFormation
- Experience with CI/CD, automated testing, observability, monitoring, DevSecOps, or Agile delivery
- Experience with React, TypeScript, Node.js, or Next.js
- Exposure to AI-powered development or operational tooling
- Experience evaluating and adopting emerging technologies
Commonwealth Bank Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Commonwealth Bank and has not been reviewed or approved by Commonwealth Bank.
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Leave & Time Off Breadth — The bank offers additional Life Leave, the option to purchase up to four extra weeks, pet leave, and paid volunteering leave alongside flexible-working options. Public materials indicate these leave features compare well within Australian banking.
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Parental & Family Support — Permanent employees can access up to 18 weeks of paid parental leave, and superannuation is paid for up to 34 weeks of unpaid parental leave. These provisions extend support for new parents beyond standard settings.
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Wellbeing & Lifestyle Benefits — Access includes CBHS Health Fund, Fitness Passport, a 24/7 wellbeing platform with telehealth, an Employee Assistance Program, and employer‑paid income protection for up to two years, alongside staff banking perks and share plans. This combination provides day‑to‑day value across health, protection, and financial perks.
Commonwealth Bank Insights
What We Do
Australia’s leading provider of financial services including retail, premium, business and institutional banking, funds management, superannuation, insurance, investment and sharebroking products and services. We are a business with more than 800,000 shareholders and over 52,000 employees. We offer a full range of financial services to help all Australians build and manage their finances.
