Principal Software Engineer for Libraries - Rust focus

Lead the design, implementation, and long-term evolution of agentic tools, libraries and SDKs used by large-scale, production services. Apply systems programming principles - safety, performance, reliability - with a strong focus on Rust and fit-for-purpose abstractions. Drive API design with attention to developer ergonomics, compatibility, versioning strategy, and adoption across multiple teams. Identify effective patterns for agentic development with focus on achieving efficiency gains in existing systems using the Rust programming language. Partner with service teams to translate requirements into shared components; influence integration patterns and reduce friction for adoption. Establish or raise engineering quality bars through testing strategies, documentation, sample usage, CI validation, and release practices. Mentor engineers through design reviews, code reviews, and technical coaching; contribute to improving the team's engineering foundation. Bachelor's Degree in Computer Science or related technical field AND strong coding expertise in one or more programming languages such as C, C++, C#, Java, JavaScript, Python, Rust or similar technologies. Significant professional experience in software engineering, including designing, developing, and delivering production-quality software solutions. Experience owning production-quality software and leading implementation across feature areas. Experience designing, building, or maintaining shared libraries/frameworks/SDKs with attention to API contracts, testing, and lifecycle management. Demonstrated technical leadership (e.g., driving design reviews, guiding architecture decisions, improving engineering practices). Experience owning and delivering complex distributed software systems across the full software development lifecycle.