GPU Performance Engineer

CoreWeave is The Essential Cloud for AI™. Built for pioneers by pioneers, CoreWeave delivers a platform of technology, tools, and teams that enables innovators to build and scale AI with confidence. Trusted by leading AI labs, startups, and global enterprises, CoreWeave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017, CoreWeave became a publicly traded company (Nasdaq: CRWV) in March 2025. Learn more at  www.coreweave.com . What You'll Do: A Software Engineer at CoreWeave contributes to the design, implementation, and maintenance of the company's cloud infrastructure, platforms, and internal tools. This role focuses on improving the efficiency, reliability, and scalability of systems that power CoreWeave's infrastructure validation and performance testing. You'll partner with fleet, product, and hardware teams to evolve our GPU performance testing platform to ensure we deliver a reliable and performant experience to our customers. In this role, you will: Implement and maintain solutions to problems of scale for testing and validation of CoreWeave's global infrastructure Develop and improve performance tests and automation workflows to expand hardware validation across the CoreWeave fleet Troubleshoot and maintain Kubernetes custom controllers and operators that automate infrastructure testing Adapt and extend open source tooling to enhance visibility into system metrics, performance, and health Participate in an on-call rotation Who You Are: 2–5 years of software engineering experience Competency in Go and/or Python software development Hands-on experience with Kubernetes at production scale Preferred: Experience building backend services Experience testing hardware at scale HPC experience Experience with AI/ML infrastructure and training/inference Wondering if you're 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 aren't a 100% skill or experience match.  Why CoreWeave? At CoreWeave, we work hard, have fun, and move fast! We're in an exciting stage of hyper-growth that you will not want to miss out on. We're not afraid of a little chaos, and we're 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 organization's 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 $120,000 to $160,000. 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 compensation. In 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 we’ve 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 California Consumer Privacy Act  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 reg