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 strong 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 solid technical leadership - Long-term contract potential within a leading financial services programme

📌 Java Developer - Calypso (Capital Markets Software Engineer) (City of Sydney)
🏢 Whizdom
📍 City of Sydney