Senior Software Engineer, iOS

Summary

Join Fullstory's Mobile team as a Senior iOS Engineer and contribute to building intuitive, privacy-conscious native libraries for app developers. You will design solutions providing deep insights into user app interactions without compromising performance or privacy. Responsibilities include using advanced techniques to analyze iOS frameworks and third-party code, writing cross-platform code in Rust, collaborating with specialists in Go APIs and TypeScript frontend, anticipating support for new iOS features, and innovating new feature ideas. The ideal candidate possesses 5+ years of iOS development experience, expertise in low-level languages (C, C++, Rust), a strong understanding of iOS internals, and a Bachelor's degree in Computer Science or a related field. This remote position offers a competitive salary, quarterly performance-based bonuses, and a comprehensive benefits package.

Requirements

• 5+ years of experience with iOS development and a strong understanding of systems-level concepts
• Experience in C, C++, Rust, or similar low-level languages
• Strong understanding of iOS internals, particularly in the areas of SwiftUI and UIKit rendering
• Understanding of Swift compilation
• Bachelor's degree in Computer Science or a related field

Responsibilities

• Use advanced techniques, including reverse engineering, disassembly, decompilation, and debugging, to analyze the inner workings of iOS frameworks and third-party code in order to reconstruct accurate representations of user sessions in our customers’ apps, with a strong emphasis on end-user privacy
• Write cross-platform code in Rust for shared crates, some of which handle activities like stripping potentially private information, networking utilizing Flatbuffers, automated testing, and performance optimizations with asset uploading
• Work alongside specialists in our Go APIs and canvas-based-typescript frontend to ensure impeccably low-performance overhead on the device and high fidelity replay of sessions on our site
• Anticipate and engineer support for new iOS platform-specific features, such as SwiftUI
• Innovate new feature ideas to enable customers to build better digital experiences and the mobile team to work smarter
• Diagnose and resolve complex issues in our SDK as it runs inside some of the most widely used consumer apps in the App Store
• Ship thoughtful improvements that streamline integration and reduce developer pain points in Xcode, helping teams adopt FullStory more easily and confidently
• Deliver impactful Application Performance Monitoring (APM) features within the SDK, enabling teams to detect and resolve performance issues faster and build higher-quality mobile apps
• Design and ship novel mobile Product Analytics capabilities, like our Forced Restart signal, by leveraging FullStory’s uniquely powerful session capture approach to surface deep UX friction insights

Benefits

• From a remote-first work environment and flexible paid time off, to an annual company-wide closure – Fullstorians can focus on the moments that matter
• FullStory offers sponsored benefit packages for US-based Fullstorians, and supplemental coverage options for international Fullstorians
• We provide professional development opportunities through training programs, career coaching sessions, and an annual learning subsidy
• We provide all Fullstorians with a monthly productivity stipend and reimburse remote colleagues for their initial home office set up
• Connect with fellow Fullstorians through Employee Resource Group events, Listening & Alignment weeks, and team off-sites
• Fullstorians have the flexibility to balance the needs of their growing families without the added stress of figuring out work and finances
• We offer a global fertility and family building benefit that encompasses all journeys to growing your family
• Every family is different; we leave it to you to define who your family is, and support you when you need it most
• Whether it is for a Fullstorian or their partner – take the time you need