Senior Software Engineer, IAM

Senior Software Engineer, IAM New York, NY, Sunnyvale, CA, Bellevue, WA 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. What You'll Do As a Senior Software Engineer on the Identity & Access Management (IAM) team, you will play a key role in designing, building, scaling, and maintaining CoreWeave's rapidly expanding IAM platform. You will leverage your experience in distributed systems to design, extend, and harden a platform that secures our high-performance cloud infrastructure. You'll be working at the intersection of design, developer experience, and platform architecture to help scale our services to the next order of magnitude. Here are just a few of the interesting and exciting things you'll be doing: Architect and build high-scale, low-latency distributed systems that power CoreWeave's identity, authentication and authorization services Design and implement customer-facing and internal APIs and backend services that underpin our IAM platform Optimize system performance to ensure that services remain highly available and performant under unpredictable load patterns Collaborate cross-functionally with stakeholders across the business, including product managers, designers and TPMs, to shape the team's strategy and roadmap Drive operational excellence by participating in on-call rotations and building automated tooling for monitoring, alerting, and incident response Demonstrate and shape best-practices in software engineering by embracing AI for development, insisting on maintainable and testable code, and participating in thorough code reviews Work with incredible people in a supportive, iterative, high-trust, agile environment Who You Are Experience: Minimum of 5 years of professional experience developing, operating and maintaining backend services in a production environment Programming: Strong proficiency developing software in one or more of our preferred languages (Go, TypeScript, Python) Distributed systems: Knowledge of microservices architecture, RESTful/gRPC API design, and asynchronous messaging patterns Observability: Fluency with best practices in observability (logging, metrics, dashboards, alerting) Database design: Solid understanding of relational databases, schema design, and SQL Testing and quality: Strong commitment to automated testing (unit, integration, and E2E) and CI/CD pipelines Ownership: Demonstrated ownership of code quality, performance, and maintainability from development through production Security: Experience with authentication, authorization and security best practices Problem solving: A proven track record of debugging complex performance bottlenecks and distributed system failures in a production environment Communication: Excellent verbal and written communication skills, able to work effectively with both technical and non-technical team members Preferred Experience with Kubernetes and a conceptual understanding of its major components. Experience building reliable and scalable platform services that process large amounts of data. Experience developing identity products on top of standards including OIDC, OAuth2.0, SAML, and JWT Experience managing cloud infrastructure (AWS, GCP, etc.) Familiarity with Infrastructure-as-Code tools and practices 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. Here are a few qualities we've found compatible with our team. If some of this describes you, we'd love to talk. You love to solve complex problems and build high-scale, low-latency distributed systems. You're curious about how to evolve cloud platforms and scale infrastructure globally for the next generation of AI workloads. You're an expert in one or more preferred programming languages like Go, TypeScript, or Python, and have deep technical knowledge of distributed systems. 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 $165,000 to $242,000. 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 full-time employees; 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 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: View email address on click.appcast.io. 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) CoreWeave