Software Engineer, Security

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Software Engineer, Security based in the United States. This is a senior, hands-on security engineering role with end-to-end ownership across a rapidly evolving AI-focused technology environment.You’ll work across product, infrastructure, corporate, and IT security rather than owning a narrowly defined security domain.The role combines strong software engineering with practical security execution, from fixing vulnerabilities to strengthening systems and tooling.You’ll collaborate closely with engineers and researchers while directly implementing solutions instead of simply providing recommendations.As part of a small and dynamic engineering organization, you’ll have significant autonomy and influence over security practices and architecture.The environment rewards builders who can navigate ambiguity, identify problems independently, and move quickly from discovery to resolution.This opportunity is particularly suited to an experienced engineer who wants to shape security at the intersection of software engineering and advanced AI.