Senior Front End Developer

Job PurposeIntercontinental Exchange (ICE) is seeking a Senior-Front End Developer within the Index Technology team. The ICE Index Technology team is responsible for building software systems that construct, calculate and manage global Index and ETF products. IDI calculates millions of index levels per day, reliably and efficiently. The senior developer will focus on the migration of our Sigma application UI (Java Swing) to React UI technologies. The role will follow established design patterns and architectural principles, and collaborate well with QA, product management and other functional teams to implement high quality solutions to user requirements. The ideal candidate for this position will be a self-directed individual with a passion for excellence and demonstrable experience in building and maintaining diverse business applications containing complex workflows and business rules. The role requires strong knowledge of front-end technologies, good experience with iterative development and SDLC tools, and the ability to work well with others.ResponsibilitiesDesign, develop, andmaintaincomplex, enterprise-scale GUIsCollaborate with product managers, UX designers, backend engineers, and QA to deliver new features end to endTranslate UI/UX designs intohigh-quality, production-ready implementationsEnsuretechnical feasibility, accessibility, and performance of UI designsOptimizeapplications forspeed, scalability, and responsivenessIntegrate front-end components withJava Spring Bootback-end servicesParticipate in and leadcode reviews, providing constructive feedback and promoting best practicesTroubleshoot and resolve UI performance, stability, and usability issuesStay current withemerging front-end technologies, frameworks, and industry trendsKnowledge and ExperienceBachelor’s in computer science or software/computer engineering (or equivalent) required5+ yearsof professional experience developing graphical user interfaces for production systemsStrongproficiencyinJavaScript, TypeScript, and ReactSolid understanding ofHTML5, CSS3, and modern web development standardsand, or similar)Hands-on experience consuming and integratingRESTful APIsStrong understanding ofasynchronous programming patternsFamiliarity withJava Spring Boot–based backend integrationsProficiencywithGitand modern version control workflowsPreferred Knowledge and ExperienceExposure to the financial services technologies domainBackend development experience in Java, or a strong willingness to learn and contribute to backend services#LI-HR1 #LI-ONSITE Intercontinental Exchange, Inc. is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to legally protected characteristics.