Senior Engineer, Security Products

Responsibilities

• Design and implement scalable, reliable backend services using REST and/or gRPC APIs.
• Define API contracts, service boundaries, data models, and integration patterns.
• Own services across architecture, implementation, testing, deployment, observability, on-call support, and continuous improvement.
• Improve reliability through error handling, retries, timeouts, idempotency, back-pressure, capacity planning, and graceful degradation.
• Establish metrics, logs, traces, dashboards, and actionable alerts for service observability.
• Participate in design reviews, code reviews, incident response, and post-incident improvements.
• Collaborate with Product, Security Engineering, Infrastructure, and partner teams on secure platform capabilities.
• Design and support integrations with customer environments and security products such as identity providers, key-management services, HSMs, SIEMs, and access-control systems.
• Work with customers and stakeholders to define reliable integration contracts and guide secure adoption.
• Make trade-offs across delivery, maintainability, performance, and operational risk.
• Mentor engineers and contribute to technical excellence and continuous learning.

Requirements

• Strong professional experience building and operating production backend services and improving their reliability, performance, and maintainability.
• Experience designing and implementing RESTful and/or gRPC APIs.
• Deep understanding of distributed systems, including consistency, concurrency, fault tolerance, networking, and service-to-service communication.
• Fluency in Go, Java, C++, or Python, with willingness to work primarily in Go.
• Experience with relational or distributed data stores, asynchronous processing, and service integration patterns.
• Strong testing practices across unit, integration, contract, load, and failure-mode testing as appropriate.
• Ability to communicate technical decisions clearly in design documents, reviews, and cross-functional discussions.
• Sound judgment when working with sensitive data, trust boundaries, authorization decisions, and security-sensitive failure modes.
• Preferred experience includes authorization systems, encryption, key management, cloud key management services, HSMs, KMIP, OAuth 2.0, OpenID Connect, workload identity, federation, SCIM, enterprise identity integrations, SSO, or lifecycle management.
• Preferred experience includes SRE and reliability practices, observability, load testing, performance analysis, capacity modeling, Kubernetes, cloud infrastructure, infrastructure as code, platform engineering, and enterprise security products.

Benefits

• On-site role based in Sunnyvale, California, or New York, New York; no remote option.
• Medical, dental, and vision insurance fully paid by CoreWeave for US-based full-time employees.
• Company-paid life insurance, voluntary supplemental life insurance, and short- and long-term disability insurance.
• Flexible Spending Account and Health Savings Account.
• Tuition reimbursement and participation in the Employee Stock Purchase Program.
• Mental wellness benefits through Spring Health and family-forming support through Carrot.
• Paid parental leave and flexible full-service childcare support through Kinside.
• 401(k) with an employer match.
• Flexible PTO, catered lunch at office and data center locations, and a casual work environment.