This list contains only the countries for which job offers have been published in the selected language (e.g., in the French version, only job offers written in French are displayed, and in the English version, only those in English).
Wissen Technology is hiring for Calypso Java Developer. We are seeking an experienced Calypso Java Developer (6+ years) to work on building and supporting trading and post-trade systems within capital markets. The ideal candidate will have strong expertise in Core Java and Calypso (v16+), along with a solid understanding of financial instruments such as equities and FX. This role involves customizing Calypso modules, supporting business workflows, and collaborating closely with operations and business users.
Job Responsibility:
Design, develop, and maintain Java-based applications within the Calypso platform
Customize Calypso modules including Workflows, BOMessages, BOTransfers, Scheduled Tasks, Reports, and Engines
Work with Calypso APIs to build enhancements and integrations
Support trading lifecycle processes including trade capture, settlement, reconciliation, and reporting
Collaborate with operations and business teams to understand requirements and resolve issues
Troubleshoot production issues and provide application support
Write and optimize SQL queries for data analysis and reporting
Work with version control tools and follow development best practices
Participate in system upgrades, enhancements, and performance tuning activities
Requirements:
6+ years of experience in Java development (Core Java JDK 1.8 or above)
At least 3-4 years of hands-on experience with Calypso (v16 or higher)
Strong expertise in Calypso customizations (Workflows, BO modules, Reports, Engines)
Working knowledge of financial instruments such as equities and FX
Understanding of trading lifecycle (settlement, reconciliation, reporting)
Strong SQL skills with experience in Oracle or Sybase databases
Basic knowledge of Unix/Linux commands
Experience using version control tools such as Git or SVN
Strong analytical, problem-solving, and debugging skills
Good communication and stakeholder interaction skills
Nice to have:
Experience working in investment banking or capital markets environments
Exposure to risk management, pricing models, or derivatives
Knowledge of messaging systems or integration frameworks
Familiarity with Agile methodologies
Experience working directly with operations/business users in a support role