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 ...
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 ...
Senior Programmability Engineer - Webassembly
Seattle, WA · On-site
$161K - $242K/yr
Senior Programmability Engineer At F5, we strive to bring a better digital world to life. Our teams ... Experience with WebAssembly highly desirable * Several years of experience developing for proxy ...
Senior Programmability Engineer - Webassembly
Seattle, WA · On-site
$161K - $242K/yr
Senior Programmability Engineer At F5, we strive to bring a better digital world to life. Our teams ... Experience with WebAssembly highly desirable * Several years of experience developing for proxy ...
... Engineer to work on technically challenging parts of their product ... The role involves developing high-performance client-side systems in C++/WebAssembly, optimizing ...
... Engineer to work on technically challenging parts of their product ... The role involves developing high-performance client-side systems in C++/WebAssembly, optimizing ...
Principal Engineer Remote RUST, SCALA, WebAssembly, Security We are seeking a highly experienced Principal Engineer specializing in Cybersecurity, Secure Cloud Architectures, and High-Performance ...
Quick apply
Principal Engineer Remote RUST, SCALA, WebAssembly, Security We are seeking a highly experienced Principal Engineer specializing in Cybersecurity, Secure Cloud Architectures, and High-Performance ...
As a Software Engineer, you'll work on developing high-performance client-side systems in C++/WebAssembly, optimizing collaborative design protocols, and enhancing user experience for millions of ...
As a Software Engineer, you'll work on developing high-performance client-side systems in C++/WebAssembly, optimizing collaborative design protocols, and enhancing user experience for millions of ...
JavaScript Virtual Machine Compiler Engineer
$150K - $277K/yr
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 ...
JavaScript Virtual Machine Compiler Engineer
$150K - $277K/yr
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 ...
Principal Engineer Remote RUST, SCALA, WebAssembly, Security We are seeking a highly experienced Principal Engineer specializing in Cybersecurity, Secure Cloud Architectures, and High-Performance ...
Principal Engineer Remote RUST, SCALA, WebAssembly, Security We are seeking a highly experienced Principal Engineer specializing in Cybersecurity, Secure Cloud Architectures, and High-Performance ...
Demonstrated experience or familiarity with WebAssembly (Wasm) for client-side Rust code ... Bachelor's degree in Engineering, Computer Science, Software Engineering, or related field.
Demonstrated experience or familiarity with WebAssembly (Wasm) for client-side Rust code ... Bachelor's degree in Engineering, Computer Science, Software Engineering, or related field.
Software Engineer, C++
San Francisco, CA · On-site +1
As a Software Engineer, you'll work on some of the most technically challenging and impactful parts ... You will be developing high-performance client-side systems in C++/WebAssembly, extending the ...
Software Engineer, C++
San Francisco, CA · On-site +1
As a Software Engineer, you'll work on some of the most technically challenging and impactful parts ... You will be developing high-performance client-side systems in C++/WebAssembly, extending the ...
The JavaScriptCore team at Apple is looking for system programmers with experience in security ... and our mission is to make JavaScript and WebAssembly execution both fast and secure.
The JavaScriptCore team at Apple is looking for system programmers with experience in security ... and our mission is to make JavaScript and WebAssembly execution both fast and secure.
... Engineer at JPMorganChase within the Markets Org, you are an integral part of an agile team that ... Drives roadmap decisions on the C++/Rust â WebAssembly engine, Apache Arrow integration, custom ...
... Engineer at JPMorganChase within the Markets Org, you are an integral part of an agile team that ... Drives roadmap decisions on the C++/Rust â WebAssembly engine, Apache Arrow integration, custom ...
... Engineer at JPMorganChase within the Markets Org, you are an integral part of an agile team that ... Drives roadmap decisions on the C++/Rust WebAssembly engine, Apache Arrow integration, custom ...
... Engineer at JPMorganChase within the Markets Org, you are an integral part of an agile team that ... Drives roadmap decisions on the C++/Rust WebAssembly engine, Apache Arrow integration, custom ...
Software Engineer, C++
San Francisco, CA · On-site
As a Software Engineer, you'll work on some of the most technically challenging and impactful parts ... You will be developing high-performance client-side systems in C++/WebAssembly, extending the ...
Software Engineer, C++
San Francisco, CA · On-site
As a Software Engineer, you'll work on some of the most technically challenging and impactful parts ... You will be developing high-performance client-side systems in C++/WebAssembly, extending the ...
Senior Lead Software Engineer - React / C++ / Rust
Jersey City, NJ · On-site
$152K - $215K/yr
... Engineer at JPMorganChase within the Markets Org, you are an integral part of an agile team that ... Drives roadmap decisions on the C++/Rust → WebAssembly engine, Apache Arrow integration, custom ...
Senior Lead Software Engineer - React / C++ / Rust
Jersey City, NJ · On-site
$152K - $215K/yr
... Engineer at JPMorganChase within the Markets Org, you are an integral part of an agile team that ... Drives roadmap decisions on the C++/Rust → WebAssembly engine, Apache Arrow integration, custom ...
... Engineer at JPMorganChase within the Markets Org, you are an integral part of an agile team that ... Drives roadmap decisions on the C++/Rust WebAssembly engine, Apache Arrow integration, custom ...
... Engineer at JPMorganChase within the Markets Org, you are an integral part of an agile team that ... Drives roadmap decisions on the C++/Rust WebAssembly engine, Apache Arrow integration, custom ...
Audio Software Engineer
$170K - $400K/yr
... Engineering team. Hark's voice agent holds real-time, full-duplex conversations with people in ... Ship DSP to the client as C++/Rust compiled to WebAssembly, and as TypeScript in the audio pipeline
Audio Software Engineer
$170K - $400K/yr
... Engineering team. Hark's voice agent holds real-time, full-duplex conversations with people in ... Ship DSP to the client as C++/Rust compiled to WebAssembly, and as TypeScript in the audio pipeline
JavaScriptCore Security Engineer
$150K - $277K/yr
... WebAssembly execution both fast and secure. JavaScriptCore is complex, with many subsystems: the ... programming in modern C++ Excellent debugging, critical thinking, and communication skills ...
JavaScriptCore Security Engineer
$150K - $277K/yr
... WebAssembly execution both fast and secure. JavaScriptCore is complex, with many subsystems: the ... programming in modern C++ Excellent debugging, critical thinking, and communication skills ...
About The Role As a Senior Frontend Engineer at Zoo, you'll play a crucial role in the development ... Implement advanced AST/code-mods, CodeMirror enhancements, and deep integration with WebAssembly ...
About The Role As a Senior Frontend Engineer at Zoo, you'll play a crucial role in the development ... Implement advanced AST/code-mods, CodeMirror enhancements, and deep integration with WebAssembly ...
Senior Engineer - Developer Experience
$181K - $217K/yr
Senior Software Engineer, Developer Experience Posting Open Date: 06/08/2026 Anticipated Posting ... Contribute to the Rust and WebAssembly open source ecosystems What We're Looking For: * You have at ...
Senior Engineer - Developer Experience
$181K - $217K/yr
Senior Software Engineer, Developer Experience Posting Open Date: 06/08/2026 Anticipated Posting ... Contribute to the Rust and WebAssembly open source ecosystems What We're Looking For: * You have at ...
Proficiency with Go programming language and best practices or other modern languages Knowledge of ... WebAssembly and wasmCloud or similar platforms Configuring and managing Traefik or other API ...
Proficiency with Go programming language and best practices or other modern languages Knowledge of ... WebAssembly and wasmCloud or similar platforms Configuring and managing Traefik or other API ...
Webassembly Engineer information
What is the difference between Webassembly Engineer vs Front-End Developer?
| Aspect | Webassembly Engineer | Front-End Developer |
|---|---|---|
| Required credentials | Bachelor's in Computer Science, knowledge of WebAssembly, C/C++, Rust | Bachelor's in Computer Science, HTML, CSS, JavaScript |
| Work environment | Development teams focusing on performance-critical web apps, embedded systems | Websites, web applications, UI/UX design |
| Industry usage | Tech, gaming, finance, industries needing high-performance web features |
Webassembly Engineers specialize in integrating WebAssembly into web applications for performance optimization, often working with languages like C++, Rust, and working closely with back-end teams. Front-End Developers focus on designing and implementing user interfaces using HTML, CSS, and JavaScript. While both roles work in web development, Webassembly Engineers focus on performance and low-level code, whereas Front-End Developers focus on UI/UX and client-side scripting.
More about Webassembly Engineer jobs
What cities are hiring for Webassembly Engineer jobs? Cities with the most Webassembly Engineer job openings:
What states have the most Webassembly Engineer jobs? States with the most job openings for Webassembly Engineer jobs include:
What job categories do people searching Webassembly Engineer jobs look for? The top searched job categories for Webassembly Engineer jobs are:
Full-time
Re-posted 9 days ago
Apple rating
8.0
Based on 675 frontline employees who took The Breakroom Quiz
7th 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