JavaScript Virtual Machine Compiler Engineer

Cupertino, United States of America💼 Full-time🗓 2025-11-12 → 2026-09-28

Core

Building and optimizing the JavaScriptCore engine to deliver fast and secure execution of JavaScript and WebAssembly on Apple products.

Role type

Senior IC compiler and virtual machine engineer

Builds

Optimizing JIT compilers, runtime systems, and garbage collectors for the JavaScriptCore engine

Domain

Web browser engines, compiler optimization, virtual machine architecture

Required skills

C++ programming, compiler design, parser development, assembly-level programming, performance analysis, memory allocators, garbage collection

Preferred skills

JIT compiler experience, web browser development, JavaScript and WebAssembly knowledge

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About Apple

Computers and Electronics Manufacturing194620Cupertino, California, USFounded 1976

We’re a diverse collective of thinkers and doers, continually reimagining what’s possible to help us all do what we love in new ways. And the same innovation that goes into our products also applies to our practices — strengthening our commitment to leave the world better than we found it. This is where your work can make a difference in people’s lives. Including your own. Apple is an equal opportunity employer that is committed to inclusion and diversity. Visit apple.com/careers to learn more.