We are looking for a Calypso Lead Developer with 6+ years of experience specialising in Calypso API development and Core Java customisation. You will lead the design, development, and delivery of Calypso-based solutions — building robust API integrations, custom extensions, and platform enhancements across our capital markets technology estate. You will combine deep Calypso platform expertise with robust Core Java and API development skills — delivering high-quality, scalable, and maintainable solutions that support trading, risk, back office, and regulatory requirements.

Key Responsibilities

Calypso API & Core Java Development
- Lead the design and development of Calypso API integrations — building robust, performant REST and Calypso-native API solutions that connect Calypso with internal and external systems.
- Develop complex Calypso customisations using Core Java — extending Calypso platform functionality for bespoke trading, back office, and accounting requirements.
- Design and implement Calypso event-driven integrations — configuring message-based interfaces using MQ, JMS,



and SWIFT for real-time and batch data exchange.
- Build and maintain Calypso plugin extensions — developing custom calculators, workflow actions, and business logic extensions aligned to capital markets business requirements.
- Design and develop RESTful APIs that expose Calypso data and functionality to downstream consumers — risk systems, reporting platforms, and front office applications.
- Lead code reviews — enforcing Calypso development standards, Core Java best practices, and API design principles across the development team.
- Mentor and guide junior Calypso developers — sharing platform expertise, Java development skills, and capital markets domain knowledge.

Calypso Platform Configuration & Integration
- Configure and maintain Calypso modules — trade capture, back office, accounting, and risk — aligned to business and regulatory requirements.
- Design and implement Calypso int

📌 Calypso Lead Developer (India)
🏢 Accolite
📍 India