JavaScript Job: JavaScript Virtual Machine Compiler Engineer

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Job Skills

Company

Apple

Location

Cupertino, CA - United States of America

Job type

Full-Time

JavaScript Job Details

Summary

Posted: Oct 7, 2022
Weekly Hours: 40
Role Number:200431126
The WebKit JavaScript Virtual Machine is responsible for executing the JavaScript and WebAssembly code found in web pages. It uses type inference, dynamic compilation, and sophisticated compilation optimizations to turn JavaScript programs into efficient machine code on x86 and ARM64. JavaScript Virtual Machine engineers work on all aspects of the compilation pipeline, including the parser and lexical analysis, the profile-guided speculative compiler, and the optimizing compiler backend. They also own and maintain the language runtime, the garbage collector, and the JavaScriptCore API for native apps.

Key Qualifications

  • Detailed knowledge of C and C++
  • Excellent debugging, critical thinking, and communication skills
  • Detailed understanding of data structures and algorithms
  • Experience with compilers, parsers, interpreters, and garbage collectors

Description

As a JavaScript Virtual Machine Engineer you will work as a generalist in these areas, diagnosing and fixing performance, stability, standards compliance, and compatibility issues, implementing new language features, and supporting browser and non-browser JavaScript clients.

Education & Experience

BS in computer science or equivalent

Additional Requirements

  • Experience with compilers, parsers, interpreters, and garbage collectors
  • Experience with assembly-level programming
  • Detailed knowledge of the JavaScript language
  • Detailed knowledge of the WebAssembly language
  • Experience with performance analysis
  • Experience with open source software development
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