# Software Engineer, C++ Systems > Raydar · San Francisco, United States · Full-time · Posted 2026-10-13 **Salary:** USD 215,000–325,000 **Workplace:** on_site ## Description About the company Our client is a software company. The role Raydar is recruiting for this role on behalf of our client. Work on performance-critical systems software written in C++, owning core library development and production troubleshooting. The role combines applied research, performance analysis and hands-on engineering in a fast-moving startup setting. What you'll do \- Develop and maintain the core C++ library at the heart of a systems software platform. \- Research techniques for resource sharing, state snapshotting and high-performance GPU systems. \- Add support for new hardware architectures, drawing on a deep understanding of the full system. \- Debug systems-level issues in live production environments. \- Diagnose performance problems in customer workloads and trace them across the stack. ## Requirements What we're looking for \- Hands-on background shipping and supporting close-to-the-hardware software in live environments. \- Expert-level C++ skills; strong Rust experience may also be considered, though day-to-day work is in C++. \- Experience tuning network interface and C++ performance. \- Ability to follow performance problems through every layer of the stack. \- A strong academic record in computer science from a highly regarded university. \- A history of delivering quickly in an early-stage startup. Bonus points \- Exposure to compilers, networking protocols or operating system kernels. \- Kubernetes or infrastructure experience, for example storage systems work or large-scale data ingestion. ## Benefits Compensation and benefits \- Base salary: USD 215,000 to 325,000 per year \- Equity Location and work model \- San Francisco, CA, United States \- On-site \- Full-time ## Apply [Apply at Raydar](https://apply.workable.com/raydar/j/D8FD31D6DD/apply) --- Powered by [Workable](https://www.workable.com)