> Markdown version of [/jobs/ext/173598-full-stack-software-engineer-os-performance-tools-coreos](https://www.wearedevelopers.com/jobs/ext/173598-full-stack-software-engineer-os-performance-tools-coreos). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Full-Stack Software Engineer, OS Performance Tools, CoreOS - **Company:** Apple Inc. - **Location:** San Diego, CA, United States - **Experience:** Experienced - **Salary:** $120,300.0 - $210,100.0 - **Contract:** Permanent contract - **Skills:** HTML, JavaScript (Programming Language), Application Programming Interfaces (APIs), Apple Mac Systems, Unix, Cascading Style Sheets (CSS), Databases, Software Debugging, Linux, ECMAScript, Node.Js, NoSQL, SQL Databases, Web Applications, Web Services, AngularJS, Performance Monitor, Coreos - **Published:** May 24, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=d7abfa4d47f87880 ## About the Role Do you have experience in Web applications?, Experience with ES6, Node.js, and Angular Tool, automation, and scripting development Experience in diagnosing and improving performance at multiple layers of the stack Understanding of operating system fundamentals Prior development in Unix, Linux, macOS, or iOS Large data processing & visualization Minimum Qualifications 2+ years of experience building performant full-stack web applications using HTML, CSS, and JavaScript Experience proposing and prototyping new services and solutions Knowledgeable with SQL and NoSQL database technologies Excellent spoken and written communication Passion for product quality and exploring the latest technologies available ## Description Join Apple's OS Performance Tools team and directly impact the performance of products used by billions worldwide., Work on performance tools and services that model various aspects of Apple's operating systems to enable teams to tackle challenging multi-functional performance problems. You will be creating groundbreaking web services for analyzing and solving problems in the areas of usability/UX, cross-platform compatibility, and techniques for debugging performance issues across the OS.","responsibilities":"Architect full-stack web applications that process and visualize performance data across Apple's entire ecosystem Design backend services and APIs that handle data from hundreds of millions of devices Build front-end interfaces that transform complex performance metrics into actionable insights for engineering teams Collaborate with engineers to solve critical performance issues Prototype innovative performance monitoring and debugging tools using emerging technologies ## Related Videos - [But, you're not Facebook](https://www.wearedevelopers.com/videos/378-but-you-re-not-facebook) - [The Resilience of the World Wide Web](https://www.wearedevelopers.com/videos/1281-the-resilience-of-the-world-wide-web) - [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security) - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Catching up on the basics you don't really need that much code](https://www.wearedevelopers.com/videos/903-catching-up-on-the-basics-you-don-t-really-need-that-much-code) - [Keith Cirkle of GitHub on React Fatigue](https://www.wearedevelopers.com/videos/1265-keith-cirkle-of-github-on-react-fatigue) ## Related Articles - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 139 - Soft and hard queries](https://www.wearedevelopers.com/magazine/487-dev-digest-139-soft-and-hard-queries) - [Dev Digest 131 - AI'm not sure about OSS](https://www.wearedevelopers.com/magazine/472-dev-digest-131-ai-m-not-sure-about-oss) - [Dev Digest 103 - Superb Owl Trafficking](https://www.wearedevelopers.com/magazine/388-dev-digest-103-superb-owl-trafficking) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Dev Digest 133 - Back to Front](https://www.wearedevelopers.com/magazine/474-dev-digest-133-back-to-front)