> Markdown version of [/jobs/ext/4295187-middle-calypso-catt-specialist](https://www.wearedevelopers.com/jobs/ext/4295187-middle-calypso-catt-specialist). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Middle Calypso CATT Specialist

- **Company:** Exadel, Inc.
- **Location:** Tampa, FL, United States (Remote available)
- **Experience:** Expert
- **Salary:** $120,000.0 - $140,000.0
- **Contract:** Permanent contract
- **Skills:** Java (Programming Language), Automation of Tests, Cloud Computing, Software Debugging, JSON, Regression Testing, Calypso Programming Language, SQL Databases, Data Streaming, Systems Integration, Extensible Markup Language (XML), Data Logging, Generative AI, Data Analytics, Network Server
- **Published:** October 29, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=85f813eb95ea2449

## About the Role

* Senior-level relevant experience in Calypso testing, financial systems analysis, or test automation
 * Hands-on experience developing and executing automated tests using CATT
 * Experience translating business requirements into detailed test cases and automated test scenarios
 * Working knowledge of Calypso architecture, servers, engines, events, workflows, and reporting capabilities
 * Experience troubleshooting Calypso and CATT issues
 * Understanding of the CATT framework, script development, Calypso integration, and reconciliation capabilities
 * Knowledge of financial products such as derivatives, bonds, repos, securities financing, and collateral
 * Understanding of front-to-back banking processes, including:
 * Trade capture and lifecycle events
 * Valuations
 * Settlements and transfers
 * Reconciliations
 * Accounting events and journal entries
 * SWIFT messages
 * Reporting and downstream data flows
 * Strong debugging, reconciliation, problem-solving, and root cause analysis skills
 * Calypso product knowledge across Fixed Income, Treasury, and Foreign Exchange Derivatives
 * Strong written and verbal English communication skills
 * Ability to work effectively with business, testing, development, and functional teams
 * Ability to manage multiple testing priorities within a remote delivery environment, * Experience with Java, SQL, XML, or JSON
 * Familiarity with application logs and technical debugging tools
 * Experience contributing to reusable testing or automation frameworks
 * Experience testing complex financial-system integrations
 * Knowledge of collateral reporting and securities-financing workflows
 * Relevant Calypso, CATT, testing, or financial-services certifications
 * Residence in or near New York City
 * Availability to work in a hybrid model when required

## Description

A leading American financial services corporation and operator of a premier global stock market. Serving as the primary listing venue for major technology and growth-oriented companies, the organization also acts as a top-tier financial technology provider, delivering data analytics, market surveillance, and index licensing to institutional clients worldwide. To drive digital modernization, the platform integrates advanced cloud infrastructure and Generative AI to streamline cross-border listings, trading workflows, and global regulatory compliance., Exadel is seeking a Senior-Level Calypso CATT Specialist with hands-on experience using the Calypso Automated Testing Tool to support financial-services testing and automation initiatives.

In this role, you will translate business requirements into detailed test cases, develop CATT scripts, automate test scenarios, and validate end-to-end financial transactions. You will work closely with business analysts, developers, testers, and functional stakeholders to expand automated test coverage and resolve Calypso and CATT-related issues.

The ideal candidate combines practical Calypso knowledge with strong testing, reconciliation, troubleshooting, and automation skills., * Review business-user input and translate requirements into detailed test scenarios, test cases, and expected results

 * Develop, maintain, and execute automated test scripts using CATT
 * Automate functional, integration, regression, and end-to-end test scenarios
 * Validate test results and investigate discrepancies across Calypso, CATT, and connected systems
 * Reconcile end-to-end financial transactions, events, messages, and settlement flows
 * Troubleshoot Calypso and CATT configuration, integration, and execution issues
 * Perform root cause analysis and document findings clearly
 * Identify opportunities to expand automated test coverage
 * Build reusable test components and scripts to improve automation efficiency
 * Validate Calypso workflows, engines, events, reports, scheduled processes, and downstream outputs
 * Test front-to-back processes across trade capture, valuation, settlement, accounting, reconciliation, and reporting
 * Support defect logging, triage, retesting, and regression testing
 * Work with functional and technical teams to resolve identified issues
 * Maintain accurate test evidence, execution results, and supporting documentation
 * Apply Calypso product knowledge across Fixed Income, Treasury, and Foreign Exchange Derivatives