Why Join Exadel
We’re an AI-first global tech company with 25+ years of engineering leadership, 2,000+ team members, and 500+ active projects powering Fortune 500 clients, including HBO, Microsoft, Google, and Starbucks.
From AI platforms to digital transformation, we partner with enterprise leaders to build what’s next.
What powers it all? Our people are ambitious, collaborative, and constantly evolving.
About the Client
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.
About the Role
Exadel is seeking a Senior Calypso CATT Specialist with deep expertise in Calypso and the Calypso Automated Testing Tool to support complex financial-services testing and automation initiatives.
This is a senior individual-contributor role responsible for independently defining test cases, developing advanced CATT scripts, automating complex front-to-back scenarios, and troubleshooting Calypso and CATT issues. You will perform detailed root cause analysis, reconcile end-to-end financial transactions, and contribute to the continued development of the testing automation framework.
The ideal candidate combines strong Calypso functional and technical knowledge with advanced automation, reconciliation, debugging, and financial-product expertise.
Work Type: Primarily remote
Location: United States
Preferred Location: New York City
On-Site Expectation: Up to 10%, as required
Travel: Occasional travel to New York City may be required
What You’ll Do
Independently gather business-user input and translate it into comprehensive test strategies, scenarios, test cases, and expected results
Design, develop, maintain, and execute complex automated test scripts using CATT
Automate front-to-back functional, integration, regression, and reconciliation scenarios
Design reusable CATT components and automation patterns
Validate test results across Calypso, CATT, interfaces, and downstream systems
Independently troubleshoot complex Calypso and CATT configuration, integration, and execution issues
Perform detailed root cause analysis and recommend sustainable corrective actions
Reconcile end-to-end financial transactions across trade capture, valuation, settlement, accounting, messaging, and reporting workflows
Contribute to the architecture and enhancement of the test automation framework
Identify automation opportunities and develop plans to expand test coverage
Validate Calypso architecture components, including servers, engines, events, workflows, scheduled tasks, and reporting frameworks
Assess the impact of system changes across upstream and downstream applications
Lead defect investigation and support technical and functional teams through resolution
Provide clear reproduction steps, supporting evidence, impact assessments, and resolution recommendations
Review automated test scripts and support testing standards and quality controls
Provide guidance to less experienced analysts and testers
Maintain accurate, traceable, and audit-ready testing documentation
Apply deep Calypso knowledge across Fixed Income, Treasury, Foreign Exchange Derivatives, securities financing, repos, and collateral
What You Bring
Proven senior-level relevant experience in Calypso testing, financial-systems analysis, or test automation
Advanced hands-on experience developing and executing automated tests using CATT
Ability to define complex test cases independently based on business-user requirements
Deep understanding of the CATT framework, script development, Calypso integration, automation…