Remote Senior Full-Stack Engineer Build Autonomous Defenses

Horizon3; United States; Remote; USD 110,000 - 170,000; Full time

Job summary

Horizon3 is a cybersecurity company delivering the NodeZero autonomous pentesting platform. We are a fast-growing, fully remote team of engineers and operators committed to ownership and results.

We are seeking engineers to build the agent execution runtime and tool layer for NodeZero's defensive platform, owning front-end and back-end surfaces to enable safe, auditable autonomous actions. You will ship production systems with React, TypeScript, GraphQL, AWS, and Kubernetes.

Qualifications

• Experience shipping production web apps using React, TypeScript, GraphQL.
• Proven ability to design scalable, multi-tenant architectures.
• Experience with AWS and Kubernetes in production.
• Strong focus on auditable, safe autonomous actions.

Responsibilities

• Build the agent execution runtime and tool layer for NodeZero's platform.
• Own end-to-end frontend and backend surfaces to enable safe, auditable autonomous actions.
• Design durable workflows, safe-change pipelines, and multi-tenant isolation at scale.
• Ship production systems using React, TypeScript, GraphQL, AWS, and Kubernetes.

Skills

End-to-end ownership

Tools

React

TypeScript

GraphQL

AWS

Kubernetes

Job description

Horizon3 is a cybersecurity company delivering the NodeZero autonomous pentesting platform. We are a fast-growing, fully remote team of engineers and operators committed to ownership and results.

We are seeking engineers to build the agent execution runtime and tool layer for NodeZero's defensive platform, owning front-end and back-end surfaces to enable safe, auditable autonomous actions. You will ship production systems with React, TypeScript, GraphQL, AWS, and Kubernetes.