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JavaScriptCore Manager

AppleCupertino, CAMay 9th, 2026
Weekly Hours: 40Role Number: 200647926-0836SummaryThe JavaScript team seeks a Software Engineering Manager with deep compiler and virtual machine expertise, ready to support the world's fastest and best JavaScript and WebAssembly VM. The JavaScriptCore framework powers many system applications and services, including WebKit clients like Safari, Mail, and Books; and direct clients like iTunes and Siri. This organization designs and implements changes to deliver improved security, better performance, and new JS and WASM language features. We're looking for leaders with outstanding problem solving skills, a passion for quality, and the desire to push the web forward!DescriptionThe role of the JavaScriptCore Manager is to manage individual contributors, cross-functional projects, and potentially other projects in order to develop new features and evolve the JavaScriptCore VM to deliver better performance, improved security, new language features, better developer tools support, and other improvements. Additional responsibilities may include driving low-level security and performance improvements in WebKit and throughout Apple's operating systems.Minimum QualificationsBS in computer science or equivalent (equivalent credential or software exeprience)Experience with mentoring, career development, project planning, and executive reporting!Detailed knowledge of system development in C++ Excellent debugging, critical thinking, and performance analysis skillsExperience with compilers, parsers, interpreters, and virtual machinesPreferred QualificationsDetailed knowledge of the JavaScript languageDetailed knowledge of the WebAssembly languageKnowledge of best practices in embedded software securityExperience with garbage collectorsExperience with open source software development