Security Engineer - Node.js Proactive Defense (worldwide remote, work anywhere)
Core
Building a runtime protection layer for Node.js web applications to intercept exploits and prevent vulnerabilities in AI-generated apps deployed by non-technical users.
Role type
Senior IC security engineer (Node.js runtime protection)
Builds
A new product line of runtime security instrumentation for Node.js processes
Domain
Cloud security, web application security, Node.js ecosystem
Deliverable
production ML models | product features
Required skills
Node.js runtime expertise, JavaScript ecosystem knowledge, web application security fundamentals, practical exploitation knowledge, detection rule design at scale, product ownership (PM/architect/lead engineer/QA)
Preferred skills
AI coding agent direction, runtime-protection product experience, application firewall development, instrumentation tooling, malware analysis, incident response, managed-hosting environment familiarity, public security research
Technologies
Node.js, JavaScript, LLM subscriptions, modern dev infrastructure
Responsibilities
Define product scope and customer-visible surface, design instrumentation and deployment strategy, implement end-to-end security logic, tune detection rules against false positives/negatives, ship to customer fleets and analyze telemetry
Seniority
Senior, hands-on IC
