Security Engineer - Node.js Proactive Defense (worldwide remote, work anywhere)
Core
Building a new runtime protection layer for Node.js web applications to intercept exploits and prevent vulnerabilities in apps deployed by non-technical users.
Role type
Senior IC Security Engineer / Product Owner (Node.js Runtime Protection)
Builds
A new end-to-end runtime security product for the Node.js hosting segment
Domain
Cybersecurity, Cloud Infrastructure, Node.js Runtime
Deliverable
production ML models | product features
Required skills
End-to-end product ownership, Web application security, Practical exploitation knowledge, Detection logic at scale, AI coding agent direction, Full-stack engineering
Preferred skills
Runtime-protection products, Application firewalls, Malware analysis, Incident response, Managed-hosting environments, Node.js runtime expertise
Technologies
Node.js, LLMs, Modern dev infrastructure
Responsibilities
Define product scope and customer-visible surface, Design instrumentation and deployment strategy, Implement detection logic and security features, Iterate on production telemetry and false positive rates, Direct AI agents for code generation and testing
Seniority
Senior, hands-on IC with product ownership