Senior Backend Engineer, Defensive Agent
Core
Build the production runtime, orchestration, and tool layer for autonomous defensive agents that execute security assessments in customer environments.
Role type
Senior Backend Engineer (Distributed Systems & Agent Platform)
Builds
The NodeZero platform runtime enabling autonomous pentesting agents across multi-tenant cloud environments.
Domain
Cybersecurity / Autonomous Agents / Distributed Systems
Deliverable
production ML models | product features | infrastructure
Required skills
Python, Go, Scala, C++, TypeScript, SQL, AWS, Azure, GCP, Docker, Kubernetes, GraphQL, PostgreSQL, Neo4j, Distributed Tracing, Temporal, ETL pipelines
Preferred skills
Agentic/LLM-backed systems, durable execution engines, multi-tenant isolation, third-party API integration, security control planes (EDR, SIEM), observability tooling
Responsibilities
Build agent execution runtime with checkpointing and idempotency; Design tool layer with server-side authorization; Build connector framework for security control planes; Implement safe-change pipeline with simulation and rollback; Extend tenant isolation for write actions; Develop ETL and GraphQL features; Instrument distributed tracing and cost accounting.
Seniority
Senior, hands-on IC