Cursor
Software Engineer, Client Infrastructure
San Francisco +1 · On-site · Full-time · Posted Nov 19, 2025
- Location
- San Francisco
New York
About the job
Build and improve the infrastructure behind Cursor’s desktop client, focusing on performance, reliability, observability, and safe, fast releases.
What you'll do
- Develop shared client abstractions, build and distribution systems, and observability foundations.
- Improve desktop application reliability and performance, including addressing memory leaks, crashes, and frame-time inconsistencies.
- Create instrumentation and internal tools, and guide architectural choices such as Electron versus native approaches.
What they ask for
- Deep experience in client infrastructure, such as build systems, performance, distribution, or observability.
- Experience building or contributing to high-performance desktop applications, Electron-based or native.
- Care about performance, reliability, developer experience, and elegant systems design.
Tools
Electron, macOS, Windows, Linux
AI focus
Work on infrastructure for an AI-driven developer tool.
Model-written summary · the original posting is authoritative