Urgent requirement of Senior Calypso Developer - Contract - Sydney Requirements

Description:

We are seeking an experienced Senior Calypso Developer to work on complex trading and post-trade platforms within a financial market?s technology environment. This role is hands-on and requires deep expertise in Calypso development, Java, APIs, and Calypso workflows , supporting the full lifecycle of system development, enhancement, and production support.

The successful candidate will design, develop, and support robust Calypso solutions across front-to-back-office processes, working closely with business analysts, architects, and support teams to deliver scalable, high-performance, and regulatory-compliant solutions.

Key Roles & Responsibilities

Calypso Development & Customisation

- Design and develop custom Calypso solutions using Java , Calypso APIs, and framework components
- Implement and maintain Calypso workflows , custom actions, rules, scheduled tasks, and event processing
- Develop and enhance trade workflows , lifecycle events, and post-trade processing logic
- Configure and extend Calypso functionality for trade capture, confirmations, settlements, risk, valuation, and collateral
- Experience or exposure to Calypso Automated Testing Tool (CATT) for supporting automated regression testing, validating custom workflows/APIs, and ensuring solution stability across releases.

Integration & APIs

- Build and support real-time and batch integrations using Calypso APIs (XML, REST, JMS, messaging frameworks)
- Develop and maintain interfaces with upstream and downstream systems (trading, market data, clearing, settlement, reporting)
- Support inbound and outbound messaging, feeds, and file-based integrations

Platform Ownership & Support

- Perform impact analysis for change requests, regulatory updates, and Calypso upgrades
- Troubleshoot complex production issues, perform root cause analysis , and implement permanent fixes
- Optimise system performance, scalability, and stability across Calypso components
- Support BAU activities including incident resolution,



release deployments, and enhancements

Delivery & Collaboration

- Collaborate closely with Business Analysts to translate functional requirements into technical designs
- Work with architects to align solutions with enterprise and Calypso architecture standards
- Participate in Agile delivery ceremonies and contribute to continuous improvement initiatives
- Ensure adherence to coding standards, security, audit, and regulatory requirements

Required Skills & Experience

Core Technical Skills

- Strong hands-on experience with Calypso Trading & Risk Management Platform
- Expert-level Java development (server-side, performance-optimised code)
- Extensive experience with Calypso APIs , custom engines, and frameworks
- Deep knowledge of Calypso workflows , rules, tasks, events, and schedulers
- Strong SQL skills for data analysis, troubleshooting, and reconciliation
- Experience with Unix/Linux , shell scripting, and batch processing

Calypso Functional Knowledge

- End-to-end trade lifecycle expertise across Front, Middle, and Back Office
- Asset classes: Rates, FX, Fixed Income, Derivatives, Repos
- Post-trade processes including confirmations, settlements, clearing, margining, and reconciliations
- Understanding of risk, valuation, P&L;, collateral management , and static/reference data

Integration & Infrastructure

- Experience with messaging frameworks (e.g., JMS, MQ)
- Familiarity with market data feeds and downstream reporting systems
- Knowledge of Calypso upgrade and migration activities is a robust plus

Ways of Working

- Experience working in Agile / Scrum delivery models
- Strong analytical, problem-solving, and debugging skills
- Ability to work independently in complex, regulated environments
- Excellent communication and collaboration skills

Nice to Have

- Experience supporting regulatory-driven change
- Exposure to high-availability or mission-critical trading platforms
- Experience with DevOps practices, CI/CD pipelines, or performance tuning

Duration: 06 Months and possible extension Eligibility: Australian/NZ Citizens/PR Holders only

Email: [email protected]

📌 Senior Calypso Developer - Contract - Sydney
🏢 Hastha Solutions
📍 Sydney