Staff+ Software Engineer, Storage + Transfer

This role sits on the team responsible for Anthropic's exabyte-scale, multi-cloud storage infrastructure that underpins training, CI, sandboxing, inference, warehousing, and data retention. The engineer would help set architecture and technical strategy for storage systems, work with partner teams to understand access patterns and requirements, lead migrations, and participate in operational work like on-call, incident response, and capacity planning.

• Proven experience designing, building, and operating a large-scale distributed storage system (object store, distributed file system, or block storage) in production, with deep knowledge of replication, consistency models, metadata management, durability, and security. Experience acting as tech lead or architect for large critical infrastructure, strong coding skills in a systems language (C++, Rust, Go, or Java), and experience with operational aspects like on-call, incident response, and cost efficiency. Strong communication skills for cross-team alignment.