Senior AI Safety Engineer — Evaluation & Guardrails

Kraken; Greater London; On-site; GBP 100,000 - 140,000; Full time

Job summary

Kraken is searching for a Senior Software Engineer to join the Agent Safety / Evals team. You will own substantial parts of our evaluation, safety, and reliability stack, turning technical direction into production systems and mentoring others.

You will build internal safety services, implement guardrails, strengthen AI security and observability, and operate services in AWS while collaborating with platform, techops, and security partners.

Qualifications

• Proven experience owning complex components or services end-to-end.
• Production Python experience is preferred.
• Experience with AI evaluation and safety.
• Security and governance mindset.
• Cloud experience with AWS.

Responsibilities

• Build internal agent-safety systems.
• Develop robust evaluation frameworks.
• Implement guardrails and governance controls.
• Strengthen AI security and observability.
• Support verification and red-teaming.
• Operate services in AWS.
• Raise the engineering bar.

Skills

Senior software engineering

Python

AWS

Security & governance

Reliability & observability

Education

Bachelor's degree in Computer Science or equivalent

Job description

Kraken is searching for a Senior Software Engineer to join the Agent Safety / Evals team. You will own substantial parts of our evaluation, safety, and reliability stack, turning technical direction into production systems and mentoring others.

You will build internal safety services, implement guardrails, strengthen AI security and observability, and operate services in AWS while collaborating with platform, techops, and security partners.