JavaScriptCore Manager

Benefits

Parental leave

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Non-birth-parent leave

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Family-building benefits

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Mental health support

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Relocation assistance

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Learning budget

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Verification

Not verified last checked Jun 13, 2026

Salary

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401(k) match

Listed Source: EMPLR_CONTRIB_INCOME_AMT. source Last checked Jun 13, 2026.

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Schedule

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Weekend work

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Application

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Assessment

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Deadline

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About this role

JavaScriptCore Manager Cupertino, United States of America The 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. Weʼre looking for leaders with outstanding problem solving skills, a passion for quality, and the desire to push the web forward! The 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 Qualifications: BS 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 skills Experience with compilers, parsers, interpreters, and virtual machines Preferred Qualifications: Detailed knowledge of the JavaScript language Detailed knowledge of the WebAssembly language Knowledge of best practices in embedded software security Experience with garbage collectors Experience with open source software development

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