Staff+ Software Engineer, Safeguards Infrastructure

at Anthropic

📍 London, United Kingdom

GBP 325,000-395,000 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.

AI @ 4 Claude Code @ 4 Communication @ 7 Fraud @ 4 Machine Learning Python @ 6 Rust @ 6 TypeScript @ 6

Details

About Anthropic

Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems.

About the role

We are looking for software engineers to help build the foundational pieces for safety, oversight and intervention mechanisms of our AI systems. As a software engineer on the Safeguards team, you will work to monitor models, prevent misuse, and ensure user well-being. This role will focus on building systems to detect unwanted model behaviors and prevent disallowed use of models. You will apply your technical skills to uphold our principles of safety, transparency, and oversight.

Responsibilities

Develop the foundational systems which power Safeguards, including infrastructure for data storage and management, metric and evaluation systems, and tooling for human and agentic review.
Ensure the day-to-day running of Safeguards systems and hold a high operational bar which serves both safety and customers while reducing the amount of human intervention and oversight required.
Build robust and reliable multi-layered defenses for real-time improvement of safety mechanisms that work at scale

Requirements

Bachelor’s degree in Computer Science, Software Engineering or comparable experience
7+ years of experience in a software engineering position
Proficiency in Python
Ability to work across the stack
Strong communication skills and ability to explain complex technical concepts to non-technical stakeholders

Strong candidates may also have

Have experience building trust and safety, anti-spam, fraud or abuse detection and mitigation mechanisms and interventions for AI/ML systems
Have experience building metrics and measurement systems or data and privacy management systems
Have worked closely with operational teams to build custom internal tooling
Be proficient in TypeScript or Rust
Have experience with Claude Code or similar agentic coding tools

Compensation

The annual compensation range for this role is listed below.

Annual Salary: £325,000 - £395,000 GBP

Logistics

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! However, we aren't able to successfully sponsor visas for every role and every candidate. But if we make you an offer, we will make every reasonable effort to get you a visa, and we retain an immigration lawyer to help with this.