Senior iOS Engineer - Performance, Stability and Monitoring

Goodnotes(1 month ago)

HybridFull TimeSenior$150,505 - $200,561 (estimated)Foundation

About this role

A Senior iOS Engineer on the Apple Performance, Stability and Monitoring (PSM) team at Goodnotes is responsible for making the offline-first app fast, reliable, and resilient across devices. The role focuses on driving performance and stability improvements, building monitoring and custom tooling, and influencing engineering practices across teams. You will collaborate cross-functionally to improve release processes and ensure a high-quality user experience for millions of users.

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Required Skills

Swift
Swift Concurrency
Performance Optimization
Memory Management
Concurrency
Instrumentation
Automated Testing
Monitoring
CI/CD
DataDog

+9 more

About Goodnotes

goodnotes.com

Goodnotes is a cross-platform digital notebook app for iPad, iPhone, Mac, Windows, Android and the web that recreates the pen‑and‑paper note‑taking experience with typed input and handwriting. It provides handwriting-to-text OCR, PDF and image annotation, notebook and folder organization, and cloud syncing via iCloud or Goodnotes Cloud — users can start with the first three notebooks free. Version 6 introduced AI features like handwriting spell‑check and an “Ask Goodnotes” assistant to speed searching, studying, and workflows for students, educators, and professionals. Founded in 2011 by Steven Chan and headquartered in London, Goodnotes has 100+ employees and has been recognized as an Apple iPad App of the Year.