Senior Software Engineer - Perf and Benchmarking
CoreWeave — Sunnyvale, California, United States · Hybrid · Senior · $182k - $242k/year
Role description
We’re looking for a Senior Engineer for CoreWeave’s Benchmarking & Performance team to lead designs, raise engineering standards, and deliver measurable improvements to latency, throughput, and reliability across multiple services.
Requirements
- 3–5 years of experience building distributed systems, high-performance computing components, or cloud services.
- Strong programming skills in Python or Go (C++ a plus) with understanding of networked systems and performance fundamentals.
- Hands-on experience with Kubernetes in production environments plus familiarity with CI/CD and observability tools (e.g., Prometheus, Grafana, OpenTelemetry).
- Exposure to performance-critical GPU systems (CUDA, NCCL, NVLink/PCIe, memory bandwidth) or model-serving stacks (llm-d, vLLM, TensorRT-LLM, Megatron-LM).
- Effective communicator comfortable working cross-functionally.
- Break down engineering tasks into clear milestones and deliver reliable, high-quality code.
- Collaborate with teammates to maintain reproducible, well-documented benchmarking processes.
- Provide constructive code reviews and share best practices with peers.
- Mentor junior engineers; review cross-team designs and elevate coding/testing standards.
- Help ensure reproducible, well-documented benchmarking processes.
Benefits
- Medical, dental, and vision insurance - 100% paid for by CoreWeave
- Company-paid Life Insurance
- Voluntary supplemental life insurance
- Short and long-term disability insurance
- Flexible Spending Account
- Health Savings Account
- Tuition Reimbursement
- Ability to Participate in Employee Stock Purchase Program (ESPP)
- Mental Wellness Benefits through Spring Health
- Family-Forming support provided by Carrot
- Paid Parental Leave
- Flexible, full-service childcare support with Kinside
- 401(k) with a generous employer match
- Flexible PTO
- Catered lunch each day in our office and data center locations
- A casual work environment
- A work culture focused on innovative disruption