JavaScript Virtual Machine Compiler Engineer

Apple

Job Details

Location: W Valley Fwy, Cupertino, CA, USA Stockholm, Sweden Posted: Apr 14, 2022

Job Description

Summary

Posted: Jul 29, 2022 Weekly Hours: 40 Role Number: 200365934 Home Office: Yes 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 JavaScript Core 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

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

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

About Apple

Apple designs computers, software and phones. Do more than you ever thought possible. Have more impact than you ever imagined. This is where some of the world’s smartest, most passionate people create the world’s most innovative products and experiences. Join us and you’ll do the best work of your life — and make a difference in other people’s lives.

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