Software Engineer designing and building performant systems for desktop applications at Cursor, focusing on client infrastructure and developer experience.
Responsibilities
Design and build the systems that make our desktop experience performant and stable for millions of developers.
Work across the core architecture of the Cursor client—from build and distribution systems to performance instrumentation.
Shape the systems that let us ship safely and quickly, while pushing the limits of what’s possible in an AI-driven development environment.
Building core client infrastructure: shared abstractions, build systems, and observability foundations.
Improving reliability and performance: eliminating memory leaks, crashes, and frame-time inconsistencies.
Designing instrumentation and telemetry systems for profiling, structured logging, and performance measurement.
Partnering with product teams to unlock faster release velocity—shipping updates to users daily.
Evaluating Electron vs. native approaches for critical code paths, guiding architectural tradeoffs.
Building internal tooling that enables other engineers to ship safely and quickly on the client platform.
Requirements
You have deep experience in client infrastructure—build systems, performance, distribution, or observability.
You’ve built or contributed to high-performance desktop applications, whether Electron-based or native.
You care deeply about performance, reliability, and developer experience, and have an eye for elegant systems design.
You thrive in environments that are fast-moving, collaborative, and product-focused.
You’re excited to push the limits of what’s possible in AI-driven developer tools.
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