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