Principal Software Engineer

This is a Principal Software Engineer - eTrading role with Commonwealth Bank based in Sydney, NSW, AU
== Commonwealth Bank ==

Role Seniority - senior

More about the Principal Software Engineer - eTrading role at Commonwealth Bank

Principal Software Engineer – e-Trading

• You are determined to stay ahead of the latest technologies

• We are one of the biggest workflow practices across Australia

• Together we can be a team of big thinkers who are engineering the future of banking

Do work that matters

This role leads the design and delivery of the bank's electronic Interest Rate Swap (eIRS) trading platform. You will architect and implement scalable, low-latency systems that support real-time pricing, negotiation, and trade execution across dealer-to-dealer and dealer-to-client markets. You'll work closely with trading desks, quant teams, and product owners to deliver innovative solutions that enhance market competitiveness and operational resilience.

See yourself in our team

As a Principal Engineer, you will help to shape the future of our digital platform while focusing on designing, developing, and deploying innovative technology solutions that will enable us to build tomorrow's bank today.

Technology delivers the Group's information technology and banking operations functions to ensure the highest levels of customer service through world-class process excellence and technology innovation. We are the Group's engine room committed to delivering available, reliable, consistent technology solutions for our internal and external customers. Our technology teams provide essential tools for our people such as Microsoft Teams, Gen AI tooling and telecommunications, right through to innovative product platforms for our customers including NetBank, CommSec and Global Markets Trading systems. We're Interested In Hearing From People Who

• Are comfortable being responsible for the strategic technology direction for the team, including managing code

• Champion thought leadership for the process architecture and develop options for improving and updating current capability.

• Are familiar with low latency concepts and geographically distributed engineering

• Have streaming and service subscription services design

• Are knowledgeable with eTrading systems performance tuning/optimisation

• Have In-depth exposure to international eTrading/pricing systems

Technical Skills We use a broad range of tools, languages, and frameworks. We do not expect you to know them all but experience or exposure with some of these, or a willing to learn these skillsets (or equivalents) will set you up for success in this team

• Deep expertise in Java (8/17), Spring Boot, and distributed systems architecture

• Experience with IRS market platforms such as Tradeweb and MarkitWire

• Strong understanding of IRS instruments, pricing conventions, and swap templates

• Familiarity with AWS services (EC2, S3, Redis, SNS, SQS), Kafka/EventHub, DevSecOps/CI/CD technologies as well as modern SRE technology

• Experienced in using Agentic AI to assist engineering effort

• Knowledge of quant libraries and risk analytics integration

• SSL standard for secure encrypted communications

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 their time each month connecting in 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.

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: 19/08/2025

Before we jump into the responsibilities of the role. No matter what you come in knowing, you'll be learning new things all the time and the Commonwealth Bank team will be there to support your growth.

Please consider applying even if you don't meet 100% of what's outlined

Key Responsibilities

• Leading design and delivery
• Architecting scalable systems
• Collaborating with teams

Key Strengths

• Java expertise
• IRS market platforms experience
• Understanding of IRS instruments
• AWS familiarity
• Agentic AI experience
• Quant libraries knowledge

Why Commonwealth Bank is partnering with Hatch on this role. Hatch exists to level the playing field for people as they discover a career that's right for them. So when you apply you have the chance to show more than just your resume.

A Final Note: This is a role with Commonwealth Bank not with Hatch.

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