Join us. Description The JavaScriptCore team in WebKit is responsible for the JavaScriptCore engine, and our mission is to make JavaScript and WebAssembly execution both fast and secure.
Join us. Description The JavaScriptCore team in WebKit is responsible for the JavaScriptCore engine, and our mission is to make JavaScript and WebAssembly execution both fast and secure.
JavaScript Virtual Machine Compiler Engineer
$150K - $277K/yr
Join us. Description The JavaScriptCore team in WebKit is responsible for the JavaScriptCore engine, and our mission is to make JavaScript and WebAssembly execution both fast and secure.
JavaScript Virtual Machine Compiler Engineer
$150K - $277K/yr
Join us. Description The JavaScriptCore team in WebKit is responsible for the JavaScriptCore engine, and our mission is to make JavaScript and WebAssembly execution both fast and secure.
Knowledge of HTML/CSS and JavaScript is a plus. * Aptitude for analytical and quantitative ... * SEO * Website Usability * Marketing Analytics * Display Media Optimization * Social Media ...
Knowledge of HTML/CSS and JavaScript is a plus. * Aptitude for analytical and quantitative ... * SEO * Website Usability * Marketing Analytics * Display Media Optimization * Social Media ...
Knowledge of HTML/CSS and JavaScript is a plus. Aptitude for analytical and quantitative reasoning ... following: SEO Website Usability Marketing Analytics Display Media Optimization Social Media ...
Knowledge of HTML/CSS and JavaScript is a plus. Aptitude for analytical and quantitative reasoning ... following: SEO Website Usability Marketing Analytics Display Media Optimization Social Media ...
JavaScript Developer (React.js, next.js) - location - Remote- Chicago, IL Contract - 12 months Here ... : metadata, header elements, robots file, sitemaps, etc
JavaScript Developer (React.js, next.js) - location - Remote- Chicago, IL Contract - 12 months Here ... : metadata, header elements, robots file, sitemaps, etc
JavaScript/UI Developer
Irvine, CA · On-site
Bachelor's Degree in Computer Science or related field preferred 3+ years working with JavaScript ... Understanding of how to build and maintain good SEO within JS apps Qualifications Skill : JSX ...
JavaScript/UI Developer
Irvine, CA · On-site
Bachelor's Degree in Computer Science or related field preferred 3+ years working with JavaScript ... Understanding of how to build and maintain good SEO within JS apps Qualifications Skill : JSX ...
JavaScript/UI Developer
Irvine, CA · On-site
Bachelor's Degree in Computer Science or related field preferred 3+ years working with JavaScript ... Understanding of how to build and maintain good SEO within JS apps Qualifications Skill: JSX / SASS ...
JavaScript/UI Developer
Irvine, CA · On-site
Bachelor's Degree in Computer Science or related field preferred 3+ years working with JavaScript ... Understanding of how to build and maintain good SEO within JS apps Qualifications Skill: JSX / SASS ...
Manager Technical SEO Streaming
Los Angeles, CA · On-site
$90 - $95/hr
Strong knowledge of JavaScript SEO, crawling, rendering, indexing, and site architecture . * Hands-on experience with tools such as Screaming Frog, Botify, Search Console, Semrush, or Ahrefs.
Manager Technical SEO Streaming
Los Angeles, CA · On-site
$90 - $95/hr
Strong knowledge of JavaScript SEO, crawling, rendering, indexing, and site architecture . * Hands-on experience with tools such as Screaming Frog, Botify, Search Console, Semrush, or Ahrefs.
Deep expertise in JavaScript and TypeScript, including a strong working knowledge of JavaScript engine internals, memory management, and garbage collection behavior * Hands-on experience profiling ...
Deep expertise in JavaScript and TypeScript, including a strong working knowledge of JavaScript engine internals, memory management, and garbage collection behavior * Hands-on experience profiling ...
This role conducts technical SEO audits, develops actionable recommendations, and partners closely ... Working knowledge of front-end development technologies including HTML, CSS, and JavaScript.
This role conducts technical SEO audits, develops actionable recommendations, and partners closely ... Working knowledge of front-end development technologies including HTML, CSS, and JavaScript.
SEO Specialist
Austin, TX · On-site
JavaScript & Dynamic SEO: Audit and resolve rendering issues related to dynamic framework execution (React/Next.js/Node environment context). * Structured Data: Implement and validate advanced Schema ...
SEO Specialist
Austin, TX · On-site
JavaScript & Dynamic SEO: Audit and resolve rendering issues related to dynamic framework execution (React/Next.js/Node environment context). * Structured Data: Implement and validate advanced Schema ...
This role conducts technical SEO audits, develops actionable recommendations, and partners closely ... Working knowledge of front-end development technologies including HTML, CSS, and JavaScript.
This role conducts technical SEO audits, develops actionable recommendations, and partners closely ... Working knowledge of front-end development technologies including HTML, CSS, and JavaScript.
$100 - $125/hr
JavaScript & Dynamic SEO: Audit and resolve rendering issues related to dynamic framework execution (React/Next.js/Node environment context). * Structured Data: Implement andvalidateadvanced Schema ...
$100 - $125/hr
JavaScript & Dynamic SEO: Audit and resolve rendering issues related to dynamic framework execution (React/Next.js/Node environment context). * Structured Data: Implement andvalidateadvanced Schema ...
SEO Specialist
Austin, TX · On-site
$100 - $125/hr
JavaScript & Dynamic SEO: Audit and resolve rendering issues related to dynamic framework execution (React/Next.js/Node environment context). * Structured Data: Implement andvalidateadvanced Schema ...
SEO Specialist
Austin, TX · On-site
$100 - $125/hr
JavaScript & Dynamic SEO: Audit and resolve rendering issues related to dynamic framework execution (React/Next.js/Node environment context). * Structured Data: Implement andvalidateadvanced Schema ...
JavaScript & Dynamic SEO: Audit and resolve rendering issues related to dynamic framework execution (React/Next.js/Node environment context). * Structured Data: Implement and validate advanced Schema ...
Quick apply
JavaScript & Dynamic SEO: Audit and resolve rendering issues related to dynamic framework execution (React/Next.js/Node environment context). * Structured Data: Implement and validate advanced Schema ...
JavaScript & Dynamic SEO: Audit and resolve rendering issues related to dynamic framework execution (React/Next.js/Node environment context). * Structured Data: Implement and validate advanced Schema ...
JavaScript & Dynamic SEO: Audit and resolve rendering issues related to dynamic framework execution (React/Next.js/Node environment context). * Structured Data: Implement and validate advanced Schema ...
SEO Specialist
Irvine, CA · On-site
Working knowledge of HTML, CSS, and JavaScript * Ability to independently own SEO from strategy through execution * Curiosity about AI/generative search is a plus WHY CONSIDER THIS OPPORTUNITY * Own ...
SEO Specialist
Irvine, CA · On-site
Working knowledge of HTML, CSS, and JavaScript * Ability to independently own SEO from strategy through execution * Curiosity about AI/generative search is a plus WHY CONSIDER THIS OPPORTUNITY * Own ...
Sr. Manager, Technical SEO, Streaming
West Hollywood, CA · On-site
$85 - $90/hr
Oversee crawlability, rendering, indexing, canonicalization, redirects, structured data, sitemaps, site architecture, and JavaScript SEO. * Conduct technical SEO audits and crawl monitoring using ...
Sr. Manager, Technical SEO, Streaming
West Hollywood, CA · On-site
$85 - $90/hr
Oversee crawlability, rendering, indexing, canonicalization, redirects, structured data, sitemaps, site architecture, and JavaScript SEO. * Conduct technical SEO audits and crawl monitoring using ...
SEO Specialist
Madison, NJ · On-site
Working knowledge in HTML Javascript AJAX CSS Flash and other valuable media technologies * The ability to work with backend SEO elements such as htaccess robotstxt metadata etc * A deep ...
Quick apply
SEO Specialist
Madison, NJ · On-site
Working knowledge in HTML Javascript AJAX CSS Flash and other valuable media technologies * The ability to work with backend SEO elements such as htaccess robotstxt metadata etc * A deep ...
SEO Specialist
Irvine, CA · On-site
Working knowledge of HTML, CSS, and JavaScript * Ability to independently own SEO from strategy through execution * Curiosity about AI/generative search is a plus WHY CONSIDER THIS OPPORTUNITY * Own ...
Quick apply
SEO Specialist
Irvine, CA · On-site
Working knowledge of HTML, CSS, and JavaScript * Ability to independently own SEO from strategy through execution * Curiosity about AI/generative search is a plus WHY CONSIDER THIS OPPORTUNITY * Own ...
Javascript Engine information
See salary details
$12.02 - $14.34
7% of jobs
$14.34 - $16.65
9% of jobs
$17.12 is the 25th percentile. Wages below this are outliers.
$16.65 - $18.97
45% of jobs
$18.97 - $21.28
10% of jobs
$23.02 is the 75th percentile. Wages above this are outliers.
$21.28 - $23.60
6% of jobs
$23.60 - $25.92
6% of jobs
$25.92 - $28.23
4% of jobs
$28.23 - $30.55
2% of jobs
$30.55 - $32.87
3% of jobs
$32.87 - $35.18
3% of jobs
$35.18 - $37.50
4% of jobs
$12
$22
$37
How much do javascript engine jobs pay per hour?
As of Sep 9, 2026, the average hourly pay for javascript engine in the United States is $22.08, according to ZipRecruiter salary data. Most workers in this role earn between $18.03 and $24.52 per hour, depending on experience, location, and employer.
What are popular job titles related to Javascript Engine jobs?
For Javascript Engine jobs, the most frequently searched job titles are:
JavaScript Virtual Machine Compiler Engineer
Cupertino, CA • On-site, Remote
Apple •
Computer and Electronic Product Manufacturing • 10K+ employees10,000+ employees
Full-time
Re-posted 20 days ago
Apple rating
8.1
Based on 684 frontline employees who took The Breakroom Quiz
6th of 30 rated technology retailers
Job description
In this role, you have the opportunity to push the state of the art of JavaScript and WebAssembly performance. The JavaScriptCore team at Apple is looking for system programmers with compiler (especially just-in-time) and virtual machine experience. You will be working to deliver a faster and more secure web for all Apple products by improving JavaScriptCore's already world-class JIT compilers, runtime systems, and the garbage collector. The work is challenging, and the impact is worldwide. Join us.
Description
The JavaScriptCore team in WebKit is responsible for the JavaScriptCore engine, and our mission is to make JavaScript and WebAssembly execution both fast and secure. JavaScriptCore engineers work on all aspects of the engine: the compilation pipeline, the language runtime, the garbage collector, and the API for native apps. The compilation pipeline consists of the parser, the bytecode frontend, profile-guided type profiling, and multiple optimizing compiler backend that turn JS and Wasm programs into efficient ARM and x86 machine code.
In this role, you will work across all areas of the engine, improving the performance, security, and stability of the engine, as well as compatibility with other browsers. You will also help guide the evolution of the JavaScript and WebAssembly languages via public standards. You will drive new innovations, add new optimizations, tune performance, implement language features, in addition to diagnosing and fixing existing problems.
Minimum Qualifications
BS in computer science or equivalent
Experience programming in modern C++
Excellent debugging, critical thinking, and communication skills
Experience with compilers, parsers, and interpreters
Experience with assembly-level programming
Experience with performance analysis
Experience with memory allocators and garbage collectors
Preferred Qualifications
Hands-on experience with VMs with just-in-time compilers (e.g. JavaScript engines and JVMs)
Experience with web browsers
Knowledge of JavaScript and WebAssembly
Description
The JavaScriptCore team in WebKit is responsible for the JavaScriptCore engine, and our mission is to make JavaScript and WebAssembly execution both fast and secure. JavaScriptCore engineers work on all aspects of the engine: the compilation pipeline, the language runtime, the garbage collector, and the API for native apps. The compilation pipeline consists of the parser, the bytecode frontend, profile-guided type profiling, and multiple optimizing compiler backend that turn JS and Wasm programs into efficient ARM and x86 machine code.
In this role, you will work across all areas of the engine, improving the performance, security, and stability of the engine, as well as compatibility with other browsers. You will also help guide the evolution of the JavaScript and WebAssembly languages via public standards. You will drive new innovations, add new optimizations, tune performance, implement language features, in addition to diagnosing and fixing existing problems.
Minimum Qualifications
BS in computer science or equivalent
Experience programming in modern C++
Excellent debugging, critical thinking, and communication skills
Experience with compilers, parsers, and interpreters
Experience with assembly-level programming
Experience with performance analysis
Experience with memory allocators and garbage collectors
Preferred Qualifications
Hands-on experience with VMs with just-in-time compilers (e.g. JavaScript engines and JVMs)
Experience with web browsers
Knowledge of JavaScript and WebAssembly
About Apple
Sourced by ZipRecruiter
Imagine what you could do here! At Apple, new ideas have a way of becoming extraordinary products, services, and customer experiences very quickly. Bring passion and dedication to your job and there's no telling what you could accomplish. Dynamic, intelligent people and inspiring, innovative technologies are the norm here. The people who work here have reinvented entire industries with all Apple Hardware products. The same real passion for innovation that goes into our products also applies to our practices strengthening our dedication to leave the world better than we found it.
Industry
Computer and electronic product manufacturing
Company size
10,000+ Employees
Headquarters location
Cupertino, CA, US
Year founded
1976