GPU Performance Engineer

What Youll Do:

The GPU Performance Team is responsible for the automated testing and verification of CoreWeaves ever-expanding fleet of nodes and infrastructure. The team plays a critical role in ensuring that the hardware we deliver to customers is stable and performant throughout its lifecycle.

About the role:

We are seeking a Senior Software Engineer to join the GPU Performance team to help us build and refine our automation platforms and workflows for reliability efficiency scalability and observability. This individual will join a team of Golang and Python developers innovating kubernetes-based solutions to hardware performance testing. As a member of the GPU Performance team you would have the opportunity to:

• Design and Implement solutions for testing infrastructure at scale through automation.
• Develop platforms workflows data structures API endpoints and other testing management tools and capabilities.
• Create test plans deployment automation dashboards alerts and insights into our performance testing platform.
• Grow change invest in your teammates be invested-in share your ideas listen to others be curious have fun and above all be yourself.

Who You Are:

You are a software engineer with a strong bias toward reliability automation and scale. Youre comfortable owning services endtoend and working close to hardware but your primary tools are Go or Python Kubernetes and welldesigned APIs.

• Have experience building and maintaining backend services and APIs (REST/gRPC) and are comfortable integrating with infrastructure systems (Kubernetes CI/CD telemetry metrics backends).
• Are motivated by automation at scale: youd rather design a controller workflow or platform than run oneoff tests by hand.
• Are familiar with system metrics performance and health (e.g. GPU/CPU network storage or similar infra) and know how to turn raw metrics into dashboards alerts and actionable insights.
• Are comfortable designing and implementing performance tests and validation workflows that run across many nodes and clusters.
• Care about code quality observability and operational readiness: logs metrics tracing alerting and oncall are part of how you think about building systems.
• Are willing to participate in an oncall rotation and help own the stability of the platforms you build.
• Work well in a collaborative curious and feedbackdriven team: you invest in your teammates share ideas openly and are excited to help shape how CoreWeave validates hardware performance at fleet scale.

Preferred:

• Write and maintain Kubernetes custom controllers and operators to automate infrastructure testing.
• Contributions to OSS projects such as llm-d vLLM or PyTorch
• Exposure to benchmarking large GPU fleets or multi-region clusters.
• Experience with CUDA kernels NCCL/SHARP RDMA/NUMA or GPU interconnect topologies.

Wondering if youre a good fit We believe in investing in our people and value candidates who can bring their own diversified experiences to our teams even if you arent a 100% skill or experience match. Here are a few qualities weve found compatible with our team.

Why CoreWeave

At CoreWeave we work hard have fun and move fast! Were in an exciting stage of hyper-growth that you will not want to miss out on. Were not afraid of a little chaos and were constantly learning. Our team cares deeply about how we build our product and how we work together which is represented through our core values:

• Be Curious at Your Core
• Act Like an Owner
• Empower Employees
• Deliver Best-in-Class Client Experiences
• Achieve More Together

We support and encourage an entrepreneurial outlook and independent thinking. We foster an environment that encourages collaboration and enables the development of innovative solutions to complex problems. As we get set for takeoff the organizations growth opportunities are constantly expanding. You will be surrounded by some of the best talent in the industry who will want to learn from you too. Come join us!

The base salary range for this role is zł321000 to zł535000. The starting salary will be determined by job-related knowledge skills experience and the 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).

To fulfil our obligation to protect client data successful applicants offered employment with CoreWeave will be required to complete a basic criminal record check conducted in compliance with GDPR. Employment offers are conditional upon receiving satisfactory check results

What We Offer

In addition to a competitive salary we offer a variety of benefits to support your needs including:

• Family-level Medical Insurance
• Family-level Dental Insurance
• Generous Pension Contribution
• Life Assurance at 4x Salary
• Critical Illness Cover
• Employee Assistance Programme
• Tuition Reimbursement
• Work culture focused on innovative disruption

Benefits may vary by location.

Our Workplace

While we prioritize a hybrid work environment remote work may be considered for candidates located more than 30 miles from an office based on role requirements for specialized skill sets. New hires will be invited to attend onboarding at one of our hubs within their first month. Teams also gather quarterly to support collaboration

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.

CoreWeave does not accept speculative CVs. Any unsolicited CVs received will be treated as the property of CoreWeave and your Terms & Conditions associated with the use of CVs will be considered null and void.

Any unsolicited CVs sent by your company to us that is to say in any situation where we have not directly engaged your company in writing to supply candidates for a specific vacancy will be considered by us to be a free gift leaving us liable for no fees whatsoever should we choose to contact the candidate directly and engage the candidates services and will in no way establish any prior claim by your company to representation of that candidate should the candidates details also be submitted by any other party.

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.

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