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Company profile

Horizon3.ai Tech Stack

Autonomous AI penetration testing platform built around NodeZero

Computer and Network Security San Francisco, CA 201–500 employees Founded 2019 Privately Held
horizon3.ai LinkedIn

Horizon3.ai sells NodeZero, an autonomous pentesting product that finds and validates exploitable attack paths. Hiring is accelerating and heavily sales-led, skewed senior, with openings across Germany, Singapore, Japan, the Netherlands, Italy, Saudi Arabia and the UAE, plus projects on DACH, EMEA and channel motions. That points to an international, partner-driven expansion phase. A dense sales-tech layer (Salesforce, Outreach, Salesloft, ZoomInfo, Gainsight) supports this push.

Tech Stack 88 technologies

Core StackSalesforce GraphQL ZoomInfo Slack Salesloft Gainsight Okta AWS Tableau Looker Jira Python Kubernetes Figma PostgreSQL Neo4j Java Go Scala C++ LinkedIn Sales Navigator Seamless.ai Outreach GCP Azure Amazon QuickSight OCI AWS Bedrock SOAR EDR+57 more

What Horizon3.ai Is BuildingChallenges and projects from their job posts

◆Challenges

  • Scaling the commercial segment
  • Cybersecurity skills shortage and slow consultant engagement
  • False positives driving alert fatigue
  • Ineffective, checkbox security tools leaving blind spots
  • Cloud spend inefficiency and limited cost visibility

▲Active Projects

  • Scaling commercial operations across EMEA and DACH
  • Channel-first motion driving MSSP NodeZero adoption
  • New services built around NodeZero
  • OCI attack content development
  • Web application surface discovery
  • Tripwires detection capability

Hiring Activity

Accelerating95 roles · 30 in 30d

Department

Sales
50
Engineering
14
Security
6
Marketing
5
Support
5
Finance
3
HR
2
Legal
2

Seniority

Senior
51
Mid
14
Staff
8
Manager
7
Director
6
Junior
3
Principal
2
VP
1

Notable leadership hires: Enterprise Sales Director

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About Horizon3.ai

Horizon3.ai is a privately held cybersecurity company founded in 2019 and headquartered in San Francisco, CA, with 201–500 employees. Its flagship product, NodeZero, autonomously runs production-safe attack tests, prioritizes exploitable weaknesses and verifies remediation in a continuous loop. Customers include government agencies, large enterprises and healthcare organizations, and the company also works through MSSP partners. Engineering runs on Python, Go, Java, Scala and C++, with Kubernetes across AWS, GCP, Azure and OCI and data in PostgreSQL and Neo4j.

HeadquartersSan Francisco, CA
Company Size201–500 employees
Founded2019
Hiring MarketsUnited States, Germany, Singapore, Japan, Netherlands, Italy, Saudi Arabia, United Arab Emirates

Frequently Asked Questions

What tech stack does Horizon3.ai use?

Horizon3.ai uses Python, Go, Java, Scala and C++ on Kubernetes across AWS, GCP, Azure and OCI, with PostgreSQL, Neo4j, GraphQL and AWS Bedrock. Go-to-market runs on Salesforce, Outreach, Salesloft and Gainsight.

What countries is Horizon3.ai hiring in?

Horizon3.ai is hiring in the United States, Germany, Singapore, Japan, the Netherlands, Italy, Saudi Arabia and the United Arab Emirates. Hiring is accelerating and weighted toward senior sales roles.

What is Horizon3.ai working on?

Current work includes a channel-first sales motion, commercial expansion across EMEA and DACH, MSSP adoption of NodeZero, new NodeZero-based services, OCI attack content and web application surface discovery.

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How this profile is built

Horizon3.ai's technology stack, projects, and hiring signals are inferred from public hiring and company data — career pages, public listings, and company web presence — then clustered and de-duplicated. Figures are estimates that refresh over time. Read our full methodology →

This is not an official vendor or customer list. It is a technology-adoption signal inferred from public data, intended for B2B research.