Companies GSSTech Group Senior Product Engineer - Calypso

About the role

GSSTech Group

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.

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