Calypso Principal Software Engineer

Job SummaryWe are seeking an experienced Calypso Principal Software Engineer to lead the design, development, and implementation of enterprise-grade solutions on the Nasdaq Calypso platform. The ideal candidate will have extensive experience in Capital Markets, OTC Derivatives, Java technologies, and cloud-based environments. This role requires strong technical leadership, problem-solving skills, and the ability to deliver scalable, secure, and high-performance applications while collaborating with cross-functional teams.Key Responsibilities Design, develop, and enhance applications on the Nasdaq Calypso platform. Configure and customize Calypso modules for Interest Rates, FX, Commodities, FX Options, and Equity Derivatives. Support the complete OTC derivatives trading lifecycle, including Front Office, Middle Office, and Back Office. Develop solutions using Java, Spring Boot, REST APIs, IBM WebSphere, MQ, ETL, and related technologies. Integrate Calypso with financial market utilities such as DTCC SDR, Bloomberg, AcadiaSoft, TriResolve, and FedWire. Build scalable, secure, and high-performance applications following Agile and DevSecOps best practices. Work with AWS cloud services and CI/CD tools including Jenkins, Bitbucket, Nexus, and Terraform. Troubleshoot production issues, optimize application performance, and ensure system reliability. Mentor engineering teams and provide technical leadership throughout the software development lifecycle. Ensure compliance with enterprise architecture standards, coding best practices, and security guidelines. Required Skills 7+ years of experience with Nasdaq Calypso platform Strong expertise in Java, Spring Boot, REST APIs, IBM WebSphere, MQ, and ETL Experience with OTC Derivatives and Capital Markets Knowledge of Collateral Management, ISDA SIMM, General Ledger, and SWIFT Oracle SQL, PostgreSQL, UNIX/Linux AWS Cloud and DevSecOps tools (Jenkins, Bitbucket, Nexus, Terraform) Strong communication and leadership skills Pay: $60.00 - $65.00 per hour Work Location: In person