Senior Software Engineer, IAM

Core Weave is The Essential Cloud for AI. Built for pioneers by pioneers, Core Weave 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, Core Weave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017, Core Weave became a publicly traded company (Nasdaq: CRWV) in March 2025.

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As a Senior Software Engineer on the Identity & Access Management (IAM) team, you will play a key role in designing, building, scaling, and maintaining Core Weave’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 Core Weave’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

• 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, Type Script, 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

• 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, OAuth
  2.0, 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…