Principal Backend Engineer, Enterprise Platform

🔥 17 hours ago

🇺🇸 United States – Remote

💵 $255k - $295k / year

⏰ Full Time

🔴 Lead

🔙 Backend Engineer

👻 Ghost score 20%

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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 long-term technical direction for Enterprise Platform capabilities, including licensing and entitlements, user access and account administration, onboarding and provisioning, notifications, and MSP/MSSP client and sub-client workflows • Guide architecture for multi-tenant services and account models, including parent-child relationships, permissions, product access, usage limits, and asset allocation • Partner with Engineering, Product, and business leaders on technical priorities and investment decisions • Lead high-impact, cross-team technical initiatives from ambiguous problem to durable solution • Participate in design reviews, code reviews, technical investigations, and hands-on contributions to critical systems • Improve production reliability and supportability through testing, observability, monitoring, alerting, safe rollouts, incident learning, runbooks, and support documentation • Balance product delivery with operational support, on-call health, and long-term platform investment • Mentor senior engineers and technical leaders and create reusable technical guidance • Communicate architecture, risks, and decisions to technical and non-technical stakeholders • Develop and operate foundational services powering NodeZero’s customer and partner experiences

🎯 Requirements

• Bachelor’s degree in Computer Science, Computer Engineering, or a related field, or equivalent practical experience • Extensive professional software engineering experience building and operating production backend services • Demonstrated technical leadership and impact beyond a single team • Experience designing APIs and data models for multi-tenant or customer-facing SaaS systems • Deep experience building and operating backend services in Python, Go, Java, or TypeScript • Strong SQL and relational data modeling experience • Experience with API and service design for production systems • Experience building cloud-hosted services • Experience operating containerized applications such as Docker • Familiarity with Kubernetes or a comparable orchestrator • Sustained technical impact across multiple teams, including contributions shaping company-level technical direction • Deep experience with backend services or multi-tenant SaaS platforms, including production ownership of business-critical systems • Strong architectural judgment across complex data models, distributed systems, security, reliability, and scalability tradeoffs • History of earning trust with senior technical, product, and business partners • Track record of raising engineering quality and developing senior technical talent through influence and mentorship • Up to 5% travel may be required • Legally authorized to work in the United States

🏖️ Benefits

• Equity package in the form of stock options for all full-time roles • Career development opportunities • Collaborative environment encouraging creativity and out-of-the-box thinking • Health, vision, and dental insurance for employees and families • Flexible vacation policy • Generous parental leave • Remote work

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