A.I. Engineer - Nullify
Core
Building an agent runtime that automatically finds, validates, and prepares fixes for vulnerabilities in distributed systems.
Role type
Senior IC AI Engineer (Agent Runtime & Security)
Builds
Multi-provider agent runtime, evaluation harness, and automated vulnerability fix generation pipelines.
Domain
Cybersecurity + Distributed Systems + LLM Agents
Deliverable
production ML models
Required skills
Go or Python, LLM-based agent development, multi-step reasoning, tool use, evaluation harness design, production system operations
Preferred skills
Security domain knowledge, distributed systems architecture, automated testing strategies
Technologies
Go, Python, LLM frameworks
Responsibilities
Build and harden multi-provider agent runtime with checkpoint/resume capabilities; Design agents to reason about business logic and application behavior; Build and grow evaluation harness for agent performance tracking; Own agents end-to-end from detection to fix generation.