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About the Role

As a Java Engineer on the Calypso Platform, you will be responsible for designing, customizing, and supporting the Calypso trading and clearing platform. This role involves development, business-as-usual support, and enhancements, collaborating with business, QA, and DevOps teams to ensure platform stability, scalability, and continuous delivery of new capabilities.

Responsibilities

Design, develop, and maintain enterprise applications using Java and related technologies.
Deliver new features, enhancements, and technical solutions aligned with business and platform requirements.
Provide BAU support, including incident investigation, root cause analysis, and defect remediation.
Develop and maintain REST APIs, microservices, and event-driven integrations.
Build and support integrations with upstream and downstream platforms, databases, and messaging systems.
Participate in application design, code reviews, and architecture discussions.
Contribute to platform performance optimization, scalability, and reliability initiatives.
Support release management activities, including deployment, regression testing, and production rollout.
Collaborate closely with QA teams to improve automation coverage and overall software quality.
Contribute to CI/CD pipelines and deployment automation using modern DevOps practices.
Ensure solutions comply with security, governance, and operational standards.
Create and maintain technical documentation, solution designs, operational runbooks, and support procedures.
Participate in Agile ceremonies and contribute to continuous improvement initiatives.

Requirements

6–8+ years of hands-on Java development experience in enterprise environments.
Strong expertise in Core Java, including Collections, Concurrency, Multithreading, JVM Internals, and JDBC.
Experience building and supporting distributed systems, RESTful APIs, and microservices architectures.
Strong experience with Spring Boot, Spring Framework, and related Java ecosystem technologies.
Experience with relational databases such as Oracle, PostgreSQL, or SQL Server, including advanced SQL development.
Experience with messaging and event-driven architectures using Kafka, JMS, or similar technologies.
Proficiency in Git-based source control and modern CI/CD pipelines, including GitLab, Jenkins, and GitHub Actions.
Experience with containerization and orchestration technologies such as Docker and Kubernetes/OpenShift.
Strong debugging, troubleshooting, and performance-tuning skills.
Experience working in Unix/Linux environments and scripting.
Solid understanding of software engineering principles, design patterns, and secure coding practices.
Experience delivering solutions within Agile/Scrum environments.
Strong stakeholder engagement, communication, and collaboration skills.
Experience in Capital Markets, Trading, Clearing, Risk, or Post-Trade platforms.
Experience with cloud platforms such as AWS.
Experience with Infrastructure as Code and automation tools such as Ansible or Terraform.
Knowledge of observability and monitoring tools such as Splunk, Dynatrace, Grafana, or Prometheus.
Experience with performance testing and non-functional testing practices.
Exposure to event streaming, data platforms, and real-time processing architectures.
Understanding of ITIL processes, including Incident, Problem, and Change Management.
Experience supporting highly available, mission-critical enterprise platforms.
Exposure to DevSecOps and security best practices.
Must be legally authorised to work in Australia on a permanent basis without any restrictions.

Skills

Java
Calypso Platform
Core Java
Collections
Concurrency
Multithreading
JVM Internals
JDBC
Distributed Systems
RESTful APIs
Microservices
Spring Boot
Spring Framework
Oracle
PostgreSQL
SQL Server
SQL
Kafka
JMS
Git
GitLab
Jenkins
GitHub Actions
Docker
Kubernetes
OpenShift
Unix/Linux
Scripting
Agile/Scrum
AWS
Ansible
Terraform
Splunk
Dynatrace
Grafana
Prometheus
ITIL
DevSecOps

Location

Australia

Work Type

Hybrid
Full-time

Experience Level

6-8+ years

About the Company

ASX powers Australia's financial markets, enabling a stronger economic future by providing a fair and dynamic marketplace.
ASX is a leading global securities exchange, known as a trusted market operator and an exciting data hub.
The ASX team comprises talented individuals from diverse disciplines, running critical market infrastructure with a significant technology focus.
ASX fosters a workplace where diversity is celebrated and inclusion is integral to the culture.
Employee-led networks champion LGBTIQ+ inclusion, gender equality, accessibility, wellbeing, and cultural events.
ASX is an AWEI Bronze employer and a member of the Champions of Change Coalition for gender equality.
ASX supports flexible working and offers hybrid working options.

Equal Opportunity

We make hiring decisions based on your skills, capabilities and experience, and of 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 careers@asx.com.au.
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.