Software Engineer, Client Infrastructure

About this role

Join Cursor's Client Infrastructure team to design and build the systems powering a fast-growing AI-driven code editor used by millions of developers. You'll own critical infrastructure spanning build systems, performance optimization, and observability across macOS, Windows, and Linux platforms.

What you'll do

• Design and maintain core client architecture including shared abstractions, build systems, and observability foundations
• Optimize performance and reliability by debugging memory leaks, crashes, and frame-time issues
• Build instrumentation and telemetry systems for profiling, logging, and performance measurement
• Evaluate architectural tradeoffs between Electron and native approaches for performance-critical code
• Enable other teams to ship safely and quickly by creating internal developer tooling
• Partner with product teams to support daily release cycles and fast shipping velocity

What they're looking for

• Client infrastructure and systems design
• Build systems and distribution
• Performance profiling and optimization
• Desktop application development (Electron or native)
• Observability and instrumentation
• C++, Rust, or TypeScript
• Cross-platform development (macOS, Windows, Linux)
• Debugging and troubleshooting