Staff Software Engineer, Backend

🔥 12 hours ago

🇺🇸 United States – Remote

💵 $230k - $270k / year

⏰ Full Time

🔴 Lead

🔙 Backend Engineer

👻 Ghost score 20%

What it means: the chance that no one is really hiring for this job.How to read it: 60% or higher means we think this is a ghost. Lower scores are less of a worry.How we score it: age, reposts, open roles vs team size, how fast jobs close, and whether pay is listed.Fine print: an estimate from public data, not a judgment of the company. Real jobs can score high, so treat it as a hint, not a fact.

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Horizon3.ai

WebsiteLinkedInAll Job Openings

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.

📋 Description

• Set technical direction for partner and multi-tenant platform services • Lead architecture and implementation for client and sub-client management, asset allocation or deprecation, and partner administration • Define patterns for secure data boundaries, API design, reliability, observability, and operational readiness • Remain hands-on in complex technical work and guide decisions amid ambiguity • Partner with Product, customer-facing teams, and adjacent engineering groups to align capabilities with partner needs • Mentor engineers through design reviews, code reviews, pairing, and technical documentation • Own complex production issues and drive service reliability improvements • Shape architecture for multi-tenant workflows, account hierarchies, delegated administration, and tenant boundaries for NodeZero capabilities

🎯 Requirements

• Bachelor's degree in Computer Science, Computer Engineering, or a related field, or equivalent practical experience • 8+ years of professional software engineering experience, including deep backend systems and API experience • Track record of leading architecture or technical direction for production multi-tenant, platform, or distributed systems • Strong understanding of data modeling, service reliability, and security boundaries in customer-facing systems • Ability to influence decisions across teams, mentor engineers, and communicate technical tradeoffs clearly • Experience building and operating cloud-hosted services and owning production outcomes • Deep experience building backend services in Python, Go, Java, or TypeScript • Strong SQL, relational data modeling, API design, and production service-operating experience • Experience with cloud-hosted systems and containerized applications such as Docker • Familiarity with Kubernetes or a comparable orchestrator • Only US persons can interview due to security clearance requirements • Must be eligible for and successfully secure a US Federal Security Clearance as a condition of employment • Deep experience with MSP/MSSP, reseller, white-label, or partner software platforms • Experience with delegated administration, parent/sub-client account models, tenant isolation, RBAC, and audit logs • Strong proficiency in Python or Go, SQL/PostgreSQL, AWS, GraphQL, Docker, and Kubernetes • Background in cybersecurity or third-party risk management, licensing, entitlements, or compliance-adjacent capabilities

🏖️ Benefits

• Equity package in the form of stock options for all full-time roles • Health, vision, and dental insurance for employees and families • Flexible vacation policy • Generous parental leave • Career development opportunities • Inclusive and collaborative culture • Remote work • Up to 5% travel may be required

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