Foundations Security Engineer — Scale Trust & Harm

United States Digital Space LLC in London seeks a senior backend engineer to design and build scalable systems for detecting and enforcing harms on our platforms. You will collaborate with policy, trust and safety, legal, investigations, and data science to stay ahead of adversaries and strengthen defenses.

The role emphasizes learning from top experts in harms, applying ML where relevant, and delivering secure, reliable production systems in a fast-evolving environment.