About the Role

We are seeking an experienced Calypso Developer to join our team, working on-site with one of our key clients in the financial services sector. This role is available on either a permanent or contract basis and offers the prospect to work on mission-critical trading and risk systems within a leading financial institution. The successful candidate will design, build, and maintain financial software solutions on the Calypso platform, playing a key role in customizing and extending core Calypso functionality to meet complex business requirements.

Key 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

Your experience and qualifications

- 6+ years of overall IT experience with strong hands-on experience with Java development
- Proven experience working with the Calypso platform (development, customization, or support)
- Experience with system integration (messaging, APIs, file-based interfaces, etc.)
- Solid database management skills (SQL, schema design, query optimization)
- Experience with scheduled/batch job development and custom reporting within Calypso
- Understanding of financial products such as FX, Money Markets, Derivatives, Fixed Income, or Repo (preferred)
- Strong communication skills, with the ability to engage confidently with both technical and business stakeholders
- Ability to work independently and as part of a team in a hybrid work environment

Desirable Skills

- Experience in the banking or capital markets domain
- Exposure to Calypso APIs, BOF (Business Object Framework), and Calypso configuration
- Familiarity with Agile/Scrum delivery methodologies
- Prior experience working in consulting or client-facing delivery roles

📌 Calypso Developer (Sydney)
🏢 Core Experts Consulting
📍 Sydney