Sydney, New South Wales, Australia · Hybrid
ASX: Powering Australia's financial markets Why join the ASX? When you join ASX, you’re joining a company with a strong purpose – to power a stronger economic future by enabling a fair and dynamic marketplace for all. In…
Skills: Calypso, Core Java, Capital Markets, SQL, Unix/Linux
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Develop and customize Calypso modules and integrations to support critical market infrastructure. Provide BAU support, optimize system performance, and collaborate with QA for test automation.
Requires 8-10+ years of experience with Calypso implementations and strong Core Java development skills. Must have deep knowledge of capital markets and experience with SQL, Linux, and DevOps practices.
When you join ASX, you’re joining a company with a strong purpose – to power a stronger economic future by enabling a fair and dynamic marketplace for all.
In your new role, you’ll be part of a leading global securities exchange with a strong brand. We are known for being a trusted market operator and an exciting data hub.
Want to know why we are a great place to work, click on the link to learn more.
www.asx.com.au/about/careers/a-great-place-to-work
The ASX team brings together talented people from a diverse range of disciplines.
We run critical market infrastructure, with 1 in 3 people employed within technology. Yet we have a unique complexity of roles across a range of disciplines such as operations, program delivery, financial products, investor engagement, risk and compliance.
We’re proud to foster a workplace where diversity is celebrated and inclusion is part of our everyday culture. Our employee-led networks champion LGBTIQ+ inclusion, promote gender equality, accessibility and wellbeing, inspire giving and volunteering, and celebrate cultural and religious events, creating a sense of belonging for all. As an AWEI Bronze employer and member of the Champions of Change Coalition for gender equality, we’re committed to a fair and inclusive workplace where everyone can thrive.
You will be part of a high-performing engineering team within the Technology and Delivery division, responsible for designing, building, and operating scalable, resilient platforms that underpin critical market infrastructure. The team works closely with product and operations to deliver robust, secure, and high-performance systems, driving engineering excellence, modern architecture, and continuous improvement to support ASX’s mission of a stable and efficient marketplace.
Develop and customize Calypso modules (workflows, trade processing, interfaces, reporting)
Provide BAU support, including issue investigation, root cause analysis, and defect resolution
Implement enhancements and configuration changes aligned to business requirements
Build and maintain integrations with upstream/downstream systems (e.g., market data, clearing, reporting systems)
Participate in release cycles (build, deployment, regression, UAT support)
Collaborate with QA to support test automation and validation of trade flows
Optimize system performance and ensure high availability of Calypso services
Contribute to CI/CD pipeline integration and deployment automation (GitLab, Ansible, etc.)
Document technical designs, configurations, and fixes
8–10+ years’ experience on Calypso implementations/upgrades
Strong Core Java development (collections, multithreading, JDBC)
Hands-on experience with the Calypso platform (APIs, workflows, engines, messaging)
Strong understanding of capital markets (trade lifecycle, derivatives, FX, fixed income)
Experience with SQL and relational databases (Oracle/SQL Server)
Working knowledge of Unix/Linux environments and scripting
Strong debugging, troubleshooting, and analytical skills
Experience with DevOps practices, CI/CD pipelines, Ansible
Experience with Kafka / messaging frameworks
Expertise in system integration and complex Calypso customizations
Experience with MarkitWire, clearing workflows, collateral management
Experience with Calypso version upgrades
Exposure to automation frameworks / QA integration
Knowledge of ITIL processes (incident/problem/change)
Experience in Agile/Scrum delivery models
We make hiring decisions based on your skills, capabilities and experience, and how you’ll help us to live our values. We encourage you to apply even if you don’t meet all the criteria of this role.
If you need any adjustments during the application or interview process to help you present your best self, please let us know at [email protected].
At ASX Group, our diverse workforce is essential to build and maintain a fair and dynamic marketplace. We support flexible working and offer hybrid working options. Even if our roles are advertised as full-time, we encourage you to apply if you are interested in part-time or other flexible working arrangements.
We will arrange for successful candidates to have background checks, including reference and police checks, completed as part of the on-boarding process.
To be considered for this position, candidates must be legally authorised to work in Australia on a permanent basis without any restrictions.
ASX is one of the world’s leading securities exchanges. Follow us for the latest Australian financial market news.
ASX is one of the world’s top ten exchanges. As a full-service exchange, we offer trading, clearing, settlement, market insights, connectivity, and depository services across all major asset classes including equities, derivatives, ETFs, options, and managed funds. With a total market capitalisation of around $1.5 trillion, ASX is home to some of the world’s leading resource, finance, and technology companies. Our $47 trillion interest rate derivatives market is the largest in Asia and among the biggest in the world. ASX’s network and data centre (The Australian Liquidity Centre) provides a world class financial infrastructure and access to Australia’s largest pools of liquidity.
Offices: 39 Martin Pl, Sydney, New South Wales 2000, AU · 155 N Wacker Dr, Chicago, Illinois 60606, US · 69 Old Broad Street, London, London City EC2M 1QS, GB · 3 Garden Road Central, Hong Kong, Hong Kong HK, HK · 525 Collins Street, Melbourne, VIC 3000, AU
ASX is one of the world’s leading securities exchanges. Follow us for the latest Australian financial market news.
ASX is one of the world’s top ten exchanges. As a full-service exchange, we offer trading, clearing, settlement, market insights, connectivity, and depository services across all major asset classes including equities, derivatives, ETFs, options, and managed funds. With a total market capitalisation of around $1.5 trillion, ASX is home to some of the world’s leading resource, finance, and technology companies. Our $47 trillion interest rate derivatives market is the largest in Asia and among the biggest in the world. ASX’s network and data centre (The Australian Liquidity Centre) provides a world class financial infrastructure and access to Australia’s largest pools of liquidity.
Offices: 39 Martin Pl, Sydney, New South Wales 2000, AU · 155 N Wacker Dr, Chicago, Illinois 60606, US · 69 Old Broad Street, London, London City EC2M 1QS, GB · 3 Garden Road Central, Hong Kong, Hong Kong HK, HK · 525 Collins Street, Melbourne, VIC 3000, AU
