Nitin Dadh

Calypso Upgrades & Interface Development

• Spearheaded multiple Calypso upgrade projects, including major version upgrades from V16 to V18 and MR upgrade from Dec 2023 to Nov 2024 release.
• Acted as Senior Calypso TA, overseeing complete technical delivery from planning through deployment across several upgrade initiatives.
• Led Java and Calypso version/library migrations, QueryDTO framework modernization, and JMS MQ configuration transformation.
• Implemented and optimized custom data sources, deployment processes, and DevOps pipelines for seamless version transitions.
• Introduced CI/CD pipelines, automated with NSSM scripts, enabling efficient startup and lifecycle management of Calypso applications.
• Integrated HashiCorp Vault for enhanced secrets and credential security within Calypso environments.
• Designed and executed database upgrade scripts and refactored legacy APIs for full compatibility with upgraded Calypso versions.
• Ensured all upgrades were completed within timeline and with zero business disruption, resolving issues proactively during SIT & UAT.
• Successfully delivered Calypso Record Interface project: developed a REST API to fetch trades from upstream systems and return JSON responses to Record interface.
• Managed end-to-end deployment, collaborated with business users for requirement gathering, designed scalable frameworks, and led integration and testing phases (SIT & UAT).

Refined equity data interfaces for KDB by enhancing data streams.
Addressed bugs in existing frameworks to enhance functionality.
Drove optimisation efforts for improved processing efficiency.
Completed database upgrades, executing SIT and UAT with impact analysis.
Launched new data stream while preparing a proof of concept.
Collaborated with team during monthly releases to facilitate effective transition.

Implemented enhancements to Calypso for FX derivatives, focusing on back office solutions.
Tailored Calypso framework to meet specific organisational needs in a banking environment.
Engaged with cross-functional teams to ensure alignment on project objectives.

Executed migration from V10 to V15 for Securities and FX as Calypso Developer.
Collaborated with business users and onshore teams to gather requirements and design frameworks.
Conducted technical analysis, planning, and development of Calypso functionality upgrade.
Performed comprehensive front-to-back validation between version 10 and version 15 environments.
Analysed detailed accounting, reporting, messaging, and reconciliation features in new environment.
Assessed product scope across 20 types, including FX, FX Options, MM, IRD, and Fixed Income.
Identified customised code, reports, and templates within bank's Calypso environment.
Evaluated interfaces with external systems for seamless data integration.

Calypso support project: Functioning as offshore team member supervising subordinates and executing deliverables alongside global team in Chennai

Collaborated with business users to collect requirements for trade repository system.
Developed framework and recommended effective solutions to clients.
Supported System Integration Testing and User Acceptance Testing processes.

• Developed interface between CALYPSO and CCRS for exposure limit verification.
• Led Calypso Murex Migration Project, migrating various financial products including interest rate derivatives.
• Created Bloomberg-CALYPSO interface to integrate bond trade data from Bloomberg.
• Implemented MarkitWire-CALYPO interface to capture interest rate derivative trades for a major bank.

Developed and tested Calypso DataUploader framework for versions V11, V12, and V13.

Created adapters to import data from multiple sources into Calypso.

Designed and executed test suite for over fourteen asset classes, including Fixed Income and FX.

Collaborated with BAs to identify test scenarios and prepare relevant test data.

Implemented validation and acknowledgment frameworks for lifecycle event support in CDUF.

• Optimised exception handling processes within the DataUploader framework.
• Contributed to Solution Accelerator initiative to enhance Calypso services and reduce testing efforts.
• Supported various interfaces, including Icelink, Markitwire, and CUD XML/CSV formats.