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# WebKit Performance Engineer

- **Company:** Apple Inc.
- **Location:** San Diego, CA, United States
- **Experience:** Expert
- **Salary:** $175,000.0
- **Contract:** Permanent contract
- **Skills:** HTML, JavaScript (Programming Language), Application Programming Interfaces (APIs), Apple Mac Systems, C++ (Programming Language), Cascading Style Sheets (CSS), Data Structures, Software Debugging, Memory Management, Scalable Vector Graphics, Software Engineering, Web Applications, WebGL, WebKit, Uikit, Information Technology, Web Technologies, Objective C++, Software Performance
- **Published:** September 3, 2026
- **Apply:** https://www.themuse.com/jobs/apple/sr-webkit-performance-engineer-83c76a

## About the Role

At least 4 years of prior hands-on iOS or macOS application development.

Experience with Objective-C, Swift, and Cocoa APIs., Experience with web technologies (HTML, CSS, JavaScript, SVG, WebGL, WebGPU).

Experience with UIKit and AppKit.

Excellent debugging, analysis, communication, and critical thinking skills.

Minimum Qualifications

BS in Computer Science or equivalent work experience.

Expertise in C++.

Experience with software performance measurement, analysis, and optimization.

Detailed understanding of data structures and algorithms.

Experience with pointers, memory management, threads, and processes.

## Description

As a WebKit Performance Engineer, you will seek opportunities to improve WebKit performance as measured by execution time, memory consumption, and power use. You will also be responsible for diagnosing performance issues identified in benchmarks and in web applications, helping us identify and correct recent performance regressions, and helping to train and mentor others in performance improvement techniques., Investigating cases of poor performance in WebKit-based applications Identifying performance bottlenecks and hot-spots in the WebKit framework.


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