Calypso Developer: Java Finance Systems Expert

Core Experts Consulting; Sydney; On-site; AUD 120,000 - 190,000; Full time

Job summary

Core Experts Consulting is seeking an experienced Calypso Developer to join our team onsite with a key client in the financial services sector. The role can be permanent or contract, and involves delivering mission-critical trading and risk solutions on the Calypso platform.

You will design, build, and maintain Calypso-based applications, write Java code, implement APIs, and work across integration, reporting, and deployment, collaborating closely with analysts, QA, and infrastructure teams.

Qualifications

• 6+ years IT experience with hands-on Java development.
• Proven Calypso platform experience (development, customization, or support).
• Experience with system integration (APIs, messaging, file interfaces).
• Experience with scheduled/batch jobs and custom reporting in Calypso.

Responsibilities

• Design, build, and maintain financial software applications using the Calypso platform
• Write Java code to customize Calypso engines, workflows, and business logic
• Develop and maintain scheduled tasks, custom reports, and APIs within Calypso
• Undertake system integration work, connecting Calypso with upstream/downstream systems
• Perform database management tasks, including schema design, queries, and performance tuning
• Troubleshoot and resolve production issues across Calypso modules (trading, risk, settlements, etc.)
• Collaborate with business analysts, QA, and infrastructure teams to deliver end-to-end solutions
• Participate in code reviews, testing, and deployment activities
• Liaise directly with client stakeholders, providing clear updates on progress and technical solutions

Skills

Java development

Calypso platform

System integration

APIs

Batch jobs

Financial products knowledge

Communication

Team collaboration

Tools

Calypso APIs

Job description

Core Experts Consulting is seeking an experienced Calypso Developer to join our team onsite with a key client in the financial services sector. The role can be permanent or contract, and involves delivering mission-critical trading and risk solutions on the Calypso platform.

You will design, build, and maintain Calypso-based applications, write Java code, implement APIs, and work across integration, reporting, and deployment, collaborating closely with analysts, QA, and infrastructure teams.