Senior Product Engineer - Calypso
GSSTech Group
Posted: April 8, 2026
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Quick Summary
Design, develop, and support solutions within the Calypso platform for treasury and capital markets, utilizing strong Java development skills in architecture, APIs, and front-to-back trade lifecycle.
Required Skills
Job Description
We are seeking a highly skilled Senior Product Engineer – Calypso with strong expertise in treasury and capital markets systems. The ideal candidate will have hands-on experience with Calypso architecture, APIs, and front-to-back trade lifecycle, along with solid Java development capabilities.
Key Responsibilities
• Design, develop, and support solutions within the Calypso platform for treasury and capital markets.
• Work on Calypso front-office modules, including Workstation and Pricing Sheets.
• Customize and enhance Calypso APIs, workflows, scheduled tasks, and engines.
• Manage and support the end-to-end trade lifecycle (Front Office to Back Office).
• Collaborate with business stakeholders to implement solutions for equities and treasury products.
• Handle integration with external systems using REST APIs, FIX, and Kafka.
• Ensure high-quality delivery across settlement, accounting, and reporting modules.
• Participate in system enhancements, upgrades, and performance tuning.
• Work closely with cross-functional teams including business, QA, and operations.
Required Skills & Experience
• Minimum 5+ years of hands-on experience in Calypso.
• Strong understanding of Calypso architecture and core components.
• Solid experience working with Calypso APIs and customization.
• Good expertise in Core Java and Oracle Database.
• Strong knowledge of REST API frameworks and integration patterns.
• Experience with real-time messaging systems such as FIX and Kafka.
• Solid understanding of trade lifecycle and capital markets workflows.
• Hands-on experience with:
• Settlement
• Accounting
• Reporting
• Scheduled Tasks
• Workflows & Engine
Domain Expertise
• Strong understanding of Equity products.
• Good exposure to Treasury products, including:
• FX / Money Market (MM)
• Bonds
• Repo
• Interest Rate Swaps (IRS)
• Cross Currency Swaps (CCS)
• Credit Default Swaps (CDS)
Nice to Have
• Experience with Calypso Risk Modules (ERS).
• Knowledge of SA-CCR and FRTB frameworks.
• Prior experience working with leading banks or financial institutions.