Senior Software Engineer Perf and Benchmarking

About this role

Were looking for a Senior Engineer for CoreWeaves Benchmarking & Performance team. You will have an integral part in our planet-scale performance data warehouse: Ingesting storing transforming and analyzing performance events in all the data centers across our global infrastructure. You will also aid us in achieving industry-leading end-to-end performance benchmarking publications such as MLPerf.

You will be an owner who leads designs raises engineering standards and delivers measurable improvements to latency throughput and reliability across multiple services. Youll partner with product orchestration and hardware teams to evolve our Kubernetes-native platform and meet strict P99 SLAs at scale.

What youll do

• Develop and enhance Kubernetes-native benchmarking services that measure latency throughput jitter and cost-per-request across CoreWeaves 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.
  
  

Who you are

• 35 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.
  
  

Nice to have

• Experience with time-series databases LSM-based storage engines or custom data pipelines.
• Familiarity with MLPerf or other large-scale benchmarking frameworks.
• Contributions to OSS projects such as llm-d vLLM or PyTorch.
• Exposure to benchmarking GPU clusters or multi-region environments.
• Background working with CUDA kernels NCCL/SHARP RDMA/NUMA or GPU interconnect topologies.

The base salary range for this role is $182000 to $242000. The starting salary will be determined based on job-related knowledge skills experience and market location. We strive for both market alignment and internal equity when determining addition to base salary our total rewards package includes a discretionary bonus equity awards and a comprehensive benefits program (all based on eligibility).

What We Offer

The range weve posted represents the typical compensation range for this role. To determine actual compensation we review the market rate for each candidate which can include a variety of factors. These include qualifications experience interview performance and location.

In addition to a competitive salary we offer a variety of benefits to support your needs. The benefits below reflect our US-based offerings; for roles in other locations benefits vary and are shared during the hiring process. These include:

• 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

California Applicants

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Equal Opportunity & Accommodations

CoreWeave is an equal opportunity employer committed to fostering an inclusive and supportive workplace. All qualified applicants and candidates will receive consideration for employment without regard to race color religion sex disability age sexual orientation gender identity national origin veteran status or genetic information.

As part of this commitment and consistent with the Americans with Disabilities Act (ADA) CoreWeave will ensure that qualified applicants and candidates with disabilities are provided reasonable accommodations for the hiring process unless such accommodation would cause an undue hardship. If reasonable accommodation is needed please contact: .

Export Control Compliance

This position requires access to export controlled information. To conform to U.S. Government export regulations applicable to that information applicant must either be (A) a U.S. person defined as a (i) U.S. citizen or national (ii) U.S. lawful permanent resident (green card holder) (iii) refugee under 8 U.S.C. 1157 or (iv) asylee under 8 U.S.C. 1158 (B) eligible to access the export controlled information without a required export authorization or (C) eligible and reasonably likely to obtain the required export authorization from the applicable U.S. government agency. CoreWeave may for legitimate business reasons decline to pursue any export licensing process.