✦ Luna Orbit — Software Engineering

Principal Software Engineer - Calypso

at Citizens Financial Group

📍 United States Hybrid 💰 $127K – $191K USD / year Posted April 14, 2026
Salary $127K – $191K USD / year
Type Full-Time
Experience senior
Exp. Years 7+ years
Education Not specified
Category Software Engineering

This role is for a Calypso Principal Software Engineer who leads design and development of high-quality technology solutions for the banking industry. The engineer will support Nasdaq Calypso platforms, integrate with financial market utilities, and embed software quality and security practices throughout the development lifecycle.

  • Lead design and development of Calypso solutions
  • Configure and extend Calypso modules for OTC derivatives
  • Integrate Calypso with market utilities and data sources
  • Build scalable, maintainable distributed service components
  • Evaluate and prevent vulnerabilities using best practices

You will develop and implement software solutions using Java, Spring Boot, and IBM MQ, with ETL and API development, targeting scalability in distributed service-based frameworks. The position emphasizes Calypso configuration/extension for OTC derivatives (interest rates, commodities, FX, FX Options, equity derivatives), collateral management, General Ledger accounting, ISDA SIMM, and Swift processing, including integrations with DTCC SDR, FedWire, Bloomberg, AcadiaSoft, and TriResolve on UNIX/Oracle SQL/PostgreSQL/Linux, leveraging AWS and DevSecOps CI/CD with Bitbucket in an Agile environment.

The ideal candidate is a senior-to-principal software engineer with 7+ years supporting Nasdaq Calypso platforms and infrastructure. They have deep Calypso configuration/extension experience for OTC derivatives across the full trading lifecycle and strong integration background with collateral management, ISDA SIMM, Swift processing, and market utilities, plus modern software development with Java, Spring Boot, and AWS in an Agile environment.

7 years of directly related experience supporting Nasdaq's Calypso platforms and infrastructureDemonstrated ability to lead and mentor software engineersDeep experience with systems configurationimplementation and testing for OTC derivatives products across the trading lifecycle including frontmiddle and back office processingDeep experience configuring and extending with Calypso application modules for interest ratescommoditiesFXFX Options and equity derivative asset classesThorough understanding and deep experience with collateral managementGeneral Ledger accountingISDA SIMM and Swift processingHand on experience integrating Calypso with financial market utilities such as DTCC SDRFedWireBloombergAcadiaSoftTriResolve and with market data sourcesmarket and credit risk platformsExperience developing and/or supporting applications with: WebsphereJavaSpringBootMQETL and API developmentExperience working on one of the following platforms: UNIXOracle SQLPostgreSQL and LinuxMastery of multiple programming languagesparticularly JavaJavascriptHTMLPythonAngularUnix shell scriptsExperience with AWS cloud servicesDevSecOPs CICD pipeline (Bitbucket)
CalypsoNasdaq CalypsoAmazon Web Services (AWS)BitbucketWebsphere (IBM WebSphere Application Server)JavaSpringBoot (Spring Boot)MQ (IBM MQ)ETL (ExtractTransformLoad)API developmentUNIXOracle SQLPostgreSQLLinuxJavaScriptHTMLPythonAngularUnix shell scriptsDTCC SDRFedWireBloombergAcadiaSoftTriResolveSwift
Agile methodologysolution designscalabilitymanageabilitymaintainabilitydistributed service-based frameworkvulnerability evaluationCalypsoNasdaq's Calypso platformsOTC derivativestrading lifecycleCalypso application modulesinterest ratescommoditiesFXFX Optionsequity derivative asset classescollateral managementGeneral Ledger accountingISDA SIMMSwift processingDTCC SDRFedWireBloombergAcadiaSoftTriResolveWebsphereJavaSpringBootMQETLAPI developmentUNIXOracle SQLPostgreSQLLinuxJavaScriptHTMLPythonAngularUnix shell scriptsAmazon Web Services (AWS)DevSecOPs CICD pipelineBitbucket
Agile methodologySolution designDesignmodifyingdeveloping and implementing software solutionsScalabilityManageabilityMaintainabilityDistributed service-based frameworkVulnerability evaluationSoftware development process vulnerability correction and preventionNasdaq's Calypso platformsCalypso application modulesOTC derivativesTrading lifecycle (frontmiddle and back office processing)Interest ratescommoditiesFXFX Optionsequity derivative asset classesCollateral managementGeneral Ledger accountingISDA SIMMSwift processingCalypso integrationDTCC SDR (Depository Trust & Clearing Corporation - SDR)FedWireBloombergAcadiaSoftTriResolvemarket data sourcesmarket risk platformscredit risk platformsWebsphere (IBM WebSphere Application Server)JavaSpringBoot (Spring Boot)MQ (IBM MQ)ETL (ExtractTransformLoad)API developmentUNIXOracle SQLPostgreSQLLinuxJavaScriptHTMLPythonAngularUnix shell scriptsAmazon Web Services (AWS)DevSecOPs CICD pipeline (DevSecOps CI/CD pipeline)Bitbucket
Lead and mentor software engineersPeer-leader mindsetEncouraging a culture of innovation and accountabilityCollaborating effectively with teammatesAutonomy to leaddesign and develop
Industry Banking
Job Function Design, develop, and support Nasdaq Calypso software and integrations for OTC derivatives processing
Role Subtype Software Architect
Tech Domains Java, JavaScript, Linux, SQL / PostgreSQL, Amazon Web Services, Cybersecurity
Principal Software EngineerCalypsoNasdaq's CalypsoOTC derivativestrading lifecyclefront officemiddle officeback officeCalypso application modulesinterest ratescommoditiesFXFX Optionsequity derivative asset classescollateral managementGeneral Ledger accountingISDA SIMMSwift processingDTCC SDRFedWireBloombergAcadiaSoftTriResolvemarket data sourcesmarket risk platformscredit risk platformsWebsphereJavaSpringBootMQETLAPI developmentUNIXOracle SQLPostgreSQLLinuxAmazon Web ServicesAWS cloud servicesDevSecOps CI/CDBitbucketAgile methodologyJavaScriptHTMLPythonAngularUnix shell scriptsNasdaq's Calypso platformsAmazon Web Services (AWS)

Minimum 7 years directly related experience supporting Nasdaq's Calypso platforms and infrastructure, Deep experience configuring and extending Calypso application modules for interest rates, commodities, FX, FX Options and equity derivative asset classes, Thorough understanding of collateral management, General Ledger accounting, ISDA SIMM and Swift processing, Experience integrating Calypso with DTCC SDR, FedWire, Bloomberg, AcadiaSoft, TriResolve

Apply for this Position →

Get matched to jobs like this

Luna finds roles that fit your skills and career goals — no endless scrolling required.

Create a Free Profile