Top Tech Jobs & Startup Jobs in Seattle, WA

Own end-to-end data and RL environment strategy for domain-specific knowledge work. Source and evaluate tasks and vendors, design rewards and QA to prevent reward hacking, run generalization experiments, and partner with RL research and product teams to improve model capabilities.

The Commercial Counsel will draft and negotiate commercial agreements, support Go-to-Market teams, and manage legal risks while staying updated on AI developments.

Build and operate production data and planning systems to track, attribute, and forecast compute capacity and cost. Develop ingestion pipelines into BigQuery, observability tooling, and Kubernetes-native scheduling/placement features. Drive efficiency programs, reconcile multi‑provider billing, and produce actionable capacity plans. Collaborate across research, infrastructure, inference, and finance; own SLOs, on-call, and product-quality data surfaces.

Build and operate identity verification, vetting (KYC/KYB), and access control systems; integrate identity vendors; create monitoring, dashboards, and enforcement tooling to detect misuse and account takeover; collaborate with policy, threat intelligence, enforcement, and go-to-market teams to ensure safe, scoped access to advanced AI capabilities.

As a Staff Infrastructure Engineer, you'll define and drive strategies for cloud-based compute clusters, ensuring secure, reliable, and scalable infrastructure. Responsibilities include lifecycle management, collaborating with cross-functional teams, and mentoring engineers.

As a Data Scientist, you will drive data-informed decisions at Anthropic by analyzing product usage, conducting causal inference, and collaborating across teams to enhance developer platform performance.

The Customer Success Programs Manager will lead programmatic customer success initiatives, focusing on AI-powered customer engagement and measure impact through data. Responsibilities include building programs, running live engagements, and collaborating across teams to enhance effectiveness and drive customer outcomes.

Build and own claude.ai's serving and agent execution platform: sandboxed compute for safe code execution, state management for long-running agent tasks, delegated auth, observability for agent actions, and partner with product and research teams to design and ship scalable, secure infrastructure.

The Performance Engineer will analyze system performance, evaluate model outputs, build observability tools, and partner with teams to optimize throughput, latency, and correctness in AI systems.

Lead and scale GovTech sales organization, develop go-to-market strategies, build relationships with federal partners, and achieve revenue targets.