
51 - 200 employees
Founded 2019
🔒 Cybersecurity
🤖 Artificial Intelligence
☁️ SaaS
Cybersecurity • Artificial Intelligence • SaaS
Horizon3. ai is a cybersecurity company that specializes in autonomous penetration testing through its platform, NodeZero. The company's mission is to proactively identify and address attack vectors before they can be exploited, allowing organizations to continuously assess their security posture across various environments including cloud, IoT, and on-premises systems. Founded by veterans from the US Special Operations and National Security sectors, Horizon3. ai offers a self-service SaaS solution that provides organizations with insights into their security vulnerabilities without requiring persistent or credentialed agents.
🔥 0 minutes ago
🇺🇸 United States – Remote
💵 $199k - $235k / year
⏰ Full Time
🟠 Senior
🧑💻 Full-stack Engineer
👻 Ghost score 20%
Where this job comes from
Posted on Horizon3.ai's careers page, not through a job board
First seen by Remote Rocketship 0 minutes ago

51 - 200 employees
Founded 2019
🔒 Cybersecurity
🤖 Artificial Intelligence
☁️ SaaS
Cybersecurity • Artificial Intelligence • SaaS
Horizon3. ai is a cybersecurity company that specializes in autonomous penetration testing through its platform, NodeZero. The company's mission is to proactively identify and address attack vectors before they can be exploited, allowing organizations to continuously assess their security posture across various environments including cloud, IoT, and on-premises systems. Founded by veterans from the US Special Operations and National Security sectors, Horizon3. ai offers a self-service SaaS solution that provides organizations with insights into their security vulnerabilities without requiring persistent or credentialed agents.
• Design, build, test, and maintain integrations between NodeZero and partner security, SIEM, SOAR, and ITSM platforms • Own integrations end to end, from understanding partner APIs and requirements through implementation, launch, and production support • Implement reliable patterns for authentication, event delivery, retries, idempotency, pagination, rate limits, schema mapping, and partial failures • Improve the shared integration framework, testing practices, documentation, and observability • Monitor and troubleshoot production integrations, investigate issues, identify root causes, and deliver preventative fixes • Collaborate with Product, Engineering, and partner technical teams to clarify requirements, resolve API questions, and communicate risks and progress • Participate in design and code reviews • Help teammates improve through knowledge sharing and constructive feedback • Write production code and contribute to architecture design • Report to the Partner Integrations Engineering Manager
• Several years of professional software engineering experience, including building and supporting production APIs, integrations, or backend services • Proficiency in Go or Python • Experience delivering maintainable, well-tested production code • Practical understanding of API integration patterns, including OAuth 2.0 or API keys, webhooks, pagination, rate limiting, retries, idempotency, and schema evolution • Experience handling distributed-systems failure modes, including duplicate or delayed events, partial failures, and partner API changes • Experience using logs, metrics, alerts, and dashboards to troubleshoot production systems • Comfort working in cloud-native or containerized environments, such as AWS and Kubernetes • Strong collaboration skills and ability to explain technical tradeoffs and follow through on commitments • Interest in improving shared systems and helping other engineers succeed while remaining hands-on • Hands-on experience with CrowdStrike Falcon, SentinelOne, Splunk, ServiceNow, Jira, or similar enterprise security and ITSM platforms is a nice-to-have • Cybersecurity ecosystem background is a nice-to-have • Experience designing field-mapping schemas is a nice-to-have • Familiarity with integration certification processes is a nice-to-have
• Equity package in the form of stock options for all full-time roles • Health, vision and dental insurance for you and your family • Flexible vacation policy • Generous parental leave • Career development opportunities • Inclusive culture • Collaborative and innovative work environment • Remote and hybrid work models depending on role and location
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