Horizon3.ai
Horizon3.ai is a remote cybersecurity company focused on developing autonomous pentesting platforms and tools. They are seeking a Backend Engineer to help build and improve their core backend systems and APIs that support large-scale security assessments, working on scalable data pipelines, APIs, and platform integrations.
Headquarters
San Francisco, California, United States
Company Size
51-200 employees
Founded
2019
Horizon3.ai is a cybersecurity firm specializing in autonomous penetration testing with their flagship platform, NodeZero. The company provides a comprehensive suite of solutions designed to simulate real-world attacks, uncover vulnerabilities, and continuously assess enterprise security postures. With a focus on offensive security, Horizon3.ai helps organizations prioritize remediation efforts by accurately reporting actionable threats and offering insights into risk management. Their innovative approach allows businesses to validate their defenses against evolving threats and comply with various regulatory standards.
Horizon3.ai Raises $100M to Cement Leadership in Autonomous Security
Jun 10, 2025
Resilient Organisations Practise Until Response Becomes Routine, Says Horizon3.ai
1 week ago
Horizon3.ai Reports Record 1H 2025 Results, Proving NodeZero’s Enterprise-Scale Impact
Sep 11, 2025
Headquarters
San Francisco, CA
Company Size
201-500 employees
Founded
2018
Industry
Technology
Glassdoor Rating
4.2 / 5
Sarah Johnson
Chief Executive Officer
Michael Chen
Chief Technology Officer
Emily Williams
VP of Engineering
David Rodriguez
VP of Product
Jessica Thompson
Chief Financial Officer
Andrew Park
VP of Sales
View leadership team, funding history,
and employee contacts for Horizon3.ai.
SentinelOne, Horizon3.ai Receive FedRAMP Authorization, Broadening Government Access
May 15, 2025