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LinkedIndavid@raydar.xyz

Software Engineer, C++ Systems

Software company

  • LocationSan Francisco, California
  • TypeFull-time
  • Posted13 October 2026

The role, as published

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.

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.

Location and work model

  • San Francisco, CA, United States
  • On-site
  • Full-time

Compensation, as the posting describes it

  • Equity

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