Java Developer - Calypso (Capital Markets Software Engineer)
Contract or Permanent Option Available | Sydney (Hybrid)
Join a leading global consulting organisation delivering technology and transformation solutions across financial services and other highly regulated industries.
The firm partners with tier-one institutions to modernise trading platforms, enhance operational resilience, and support complex regulatory environments.
About the End Client
The end client is a major financial institution operating in a highly regulated capital markets environment, with a solid focus on trading, risk management, and post-trade processing.
Role Overview
We are seeking a highly experiencedCalypso Developer to design, build, and support end-to-end trading and post-trade solutions.
This is a hands-on technical role requiring deep expertise in Calypso, Java development, and system integrations within financial markets.
You will work closely with architects, business analysts, and Agile delivery teams to deliver scalable and high-performance solutions across front-to-back trading systems.
Key Responsibilities
Design and develop custom solutions using Calypso APIs and Java
Build and manage Calypso workflows, rules, schedulers, tasks, and lifecycle events
Support full trade lifecycle including capture, confirmations, settlements, risk, valuation, and collateral
Develop and maintain real-time and batch integrations (REST APIs, XML, JMS, messaging frameworks)
Perform impact analysis, root cause analysis (RCA),



and performance optimisation
Provide production support and contribute to BAU activities
Support Calypso upgrades, enhancements, and platform improvements
Collaborate with cross-functional teams in an Agile/Scrum environment
Required Skills & Experience
5-8+ years of hands-on experience with the Calypso Trading & Risk Management platform
Strong Java development skills with expertise in Calypso frameworks and APIs
Deep knowledge of Calypso workflows, schedulers, and post-trade processing
Solid experience with SQL, Unix/Linux, and shell scripting
Strong understanding of financial products: FX, Rates, Fixed Income, Derivatives, Repos
Experience with system integrations and messaging frameworks (JMS, MQ, APIs)
Proven ability to troubleshoot and solve complex technical issues
Experience working in Agile environments
Nice to Have
Exposure to Calypso CATT, upgrades, or platform migrations
Experience supporting regulatory initiatives or high-availability platforms
Knowledge of DevOps practices and CI/CD pipelines
What's on Offer
Opportunity to work on a complex front-to-back trading platform
Long Term Engagement - Available as full-time permanent or 12 months + extensions contract
Exposure to high-impact financial markets projects
Collaborative Agile environment with strong technical leadership
Long-term contract potential within a leading financial services programme
#J-*****-Ljbffr

📌 Java Developer - Calypso (Capital Markets Software Engineer) (New South Wales)
🏢 Whizdom
📍 New South Wales