Staff+ Software Engineer, Developer Productivity

at Anthropic

📍 London, United Kingdom

GBP 325,000-390,000 per year

SENIOR

✅ Hybrid

✅ Visa Sponsorship

Tech Stack
Tag name is followed by "@" symbol and proficiency level value. About proficiency levels:

1-2 — basic awareness. Minimal hands-on experience, and a rudimentary understanding of the technology's purpose;

3-6 — daily use. Comfortable and regular usage, capable of handling common tasks and challenges related to the technology;

7-9 — you are an expert, you can teach others, you know all the pitfalls and tricks;

10 — exceptional knowledge, comprehensive understanding, and adeptness in all aspects of the technology, including advanced problem-solving. Think twice before claiming or demanding such level.

API @ 4 CI/CD @ 7 Communication @ 4 Docker @ 4 GitHub @ 4 GitHub Actions @ 4 Go @ 7 Jenkins @ 4 Python @ 7 Rust @ 7 Software Development @ 6

Own the technical strategy and roadmap for your area, translating team-level goals into concrete execution plans
Define infrastructure architecture, ensuring the hardest problems get solved — whether by you directly or by working through others
Design and build scalable, reliable distributed infrastructure and shared libraries that support high-volume workloads across all engineering teams
Own and evolve build environments, package management, and dependency systems to enable fast, reproducible builds
Define and implement language ecosystem standards, tooling, and frameworks that drive developer productivity across research and production workloads

Deep experience with build systems, CI/CD pipelines, and/or developer tooling in a large monorepo environment
Strong proficiency in Python, Rust and/or Go
Obsession with developer productivity and reducing friction in the software development lifecycle
Experience with container orchestration and infrastructure at scale
Excellent communication skills and enjoy supporting internal partners to improve their development experience
Excited about designing foundational systems and are comfortable working independently on ambiguous, high-impact technical challenges

15+ years (not including internships or co-ops) of experience in a Software Engineer role, building and operating large-scale developer infrastructure
3+ years (not including internships or co-ops) of experience leading large scale complex projects or teams as a tech lead
Experience with CI orchestration tools (Buildkite, Jenkins, GitHub Actions, or similar) and merge queue management at scale
Experience building or operating remote build execution systems (Bazel Remote Execution API, BuildBarn, BuildBuddy, or similar)
Experience with Nix/NixOS/Docker and managing large image / package sets at scale
Experience building CLI tools, developer-facing services, and GitHub API and automation workflows

Location-based hybrid policy: Currently, we expect all staff to be in one of our offices at least 25% of the time. However, some roles may require more time in our offices.
Visa sponsorship: We do sponsor visas. If they make you an offer, they will make every reasonable effort to get you a visa and retain an immigration lawyer to help with this.