Performance Engineer (XCode), Dev Experience & Operations
Vancouver
February 25, 2026
Apple Custom Ats
Summary
The Xcode team is seeking an exceptional senior Systems Engineer to drive world-class performance across all aspects of Apple’s developer tools. This role involves collaborating with highly motivated engineers across the full software stack—from high-level tools such as the Xcode IDE itself, related tools such as the Simulator and debugger, as well as frameworks and lower-level tools. The position presents diverse challenges spanning from optimizing performance on currently supported hardware to unlocking the full potential of cutting-edge next-generation products. As a Systems Engineer on this team, you will have the opportunity to directly impact the user experience for millions of developers worldwide by ensuring every device, regardless of generation, delivers the performant, smooth, and responsive experience Apple developers expect.
Description
In this role, you will delve into performance issues impacting Apple’s developer tools and ecosystem, to decipher complex conditions that impact performance and develop solutions to resolve them. You will have the opportunity to drive innovative performance optimization ideas from conception to delivery, work alongside senior engineers across Apple’s tools and frameworks teams, develop measurement tools and analysis frameworks, analytics, telemetry throughout Apple’s developer tools, and create testing methodologies that reflect real-world usage.
The ideal candidate is self-motivated, enjoys debugging complex systems, is eager to collaborate and learn alongside others, and possesses a natural curiosity for understanding how different components interact and impact overall performance.
Minimum Qualifications
Bachelor’s degree in Computer Science, or related technical field
6+ years of industry experience
Strong understanding of operating system fundamentals
Proficiency in Swift and Objective-C
Experience in systems engineering
Ability to collaborate across teams to drive development and performance optimizations
Preferred Qualifications
Experience with data analytics platforms such as Splunk, Honeycomb, and Snowflake
Experience in performance analysis, optimization, and debugging
Experience with performance profiling tools and methodologies
Excellent communication, teamwork, and organizational skills
