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Senior Software Engineer - Perf and Benchmarking

CoreWeave· Technology
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Hybrid (Sunnyvale, CA / Bellevue, WA)$182k - $242kfull-timePosted 5mo ago

About the role

Senior Engineer role focusing on CoreWeave’s Benchmarking & Performance team. Owns and improves the planet-scale performance data warehouse, benchmarks MLPerf workloads, and collaborates across product, orchestration, and hardware teams to meet strict P99 SLAs at scale.

Responsibilities

  • Develop and enhance Kubernetes-native benchmarking services that measure latency, throughput, jitter, and cost-per-request across CoreWeave’s compute stack.
  • Contribute to implementing and maintaining benchmarking workflows for end-to-end MLPerf Training and Inference runs, including workload setup, cluster configuration, and result validation.
  • Participate in design discussions and contribute to architecture decisions within the team.
  • 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.

Qualifications

  • 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.

Skills

Required:PythonGoKubernetesCI/CDObservability tools
Nice to have:C++

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
Last updated Aug 12, 2026. Interested? Apply on the company site.

About CoreWeave

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