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Apple

# Sr. WebKit Performance Engineer

San Diego, United States of America Senior individual contributor Operations 

Listed on Apple’s official careers site. Posted July 9, 2026. Check that it is still open and apply there.
[Apply on Apple’s careers site →](https://jobs.apple.com/en-us/details/200653988/sr-webkit-performance-engineer)

[OpenNash Jobs](https://jobs.opennash.com/) / [Apple](https://jobs.opennash.com/companies/apple/) / Sr. WebKit Performance Engineer

## Job description

The WebKit Performance team is looking for an engineer with a passion for software optimization to support one of the most heavily used frameworks and applications in the world. WebKit is the system framework for rendering web content on Apple platforms. When you load a webpage in Safari, that’s WebKit! WebKit is also an Open Source software project in which Apple engineers collaborate with engineers from around the world to improve the framework, evolve web APIs, and ensure the best possible experience on the web.

WebKit is a foundational component of iOS, macOS, watchOS, tvOS, and visionOS, forming the basis of many key applications. Performance improvements in WebKit make all of our products better. The WebKit Performance team is responsible for defending and improving the launch speed, processing speed, memory size, and power consumption of the WebKit framework. You will help improve WebKit performance on all Apple platforms.

## At a glance
- Posted by the employer: Jul 9, 2026
- First seen by OpenNash: Jul 10, 2026
- Last checked: Oct 18, 2026
- Listed for: 101 days
- Location: San Diego, United States of America[Apply on Apple’s careers site →](https://jobs.apple.com/en-us/details/200653988/sr-webkit-performance-engineer)

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