Staff Backend Engineer, Licensing

About this role

Get to Know Us Horizon3 is a fast-growing, remote cybersecurity company dedicated to the mission of enabling organizations to proactively find, fix and verify exploitable attack vectors before criminals exploit them. Our flagship product, the NodeZeroTM platform, delivers production-safe autonomous pentests and other key assessment operations that scale across the largest internal, external, cloud, and hybrid cloud environments.

NodeZero has been adopted by organizations of all sizes, from small educational institutions to government agencies and Global 100 enterprises. It is used by IT Ops/SecOps teams, consulting pentesters, and MSSPs and MSPs. We are a fusion of former U.S. Special Operations cyber operators, startup engineers & operators, and formerly frustrated cybersecurity practitioners. We're committed to helping solve our common security problems: ineffective security tools and false positives, resulting in alert fatigue, blind spots, "checkbox” security culture, cybersecurity skills shortage, and the long lead time and expense of hiring outside consultants.

Collectively, we are a team of learn it alls, committed to a culture of respect, collaboration, ownership, and results. What You’ll Do As a Staff Backend Engineer on the Licensing, Usage & Entitlements team, you’ll provide hands-on technical leadership for the services that manage NodeZero packaging, customer entitlements, and usage enforcement. You’ll shape how these business-critical capabilities scale across direct and partner accounts, and help ensure that the right products, capabilities, and limits are represented consistently.

You’ll lead complex initiatives that cross service boundaries and customer-account models, setting patterns for data correctness, safe evolution, and production support. You’ll partner across Product and Engineering while remaining deeply involved in implementation and operational outcomes. Responsibilities - Set technical direction for services that represent customer purchases, packaging, enabled capabilities, entitlements, and usage limits.

- Design robust models and workflows that apply licensing and access rules consistently across direct and MSP/MSPP accounts. - Lead complex initiatives across services and customer-account models, remaining hands-on in implementation. - Establish patterns for data correctness, safe migrations, API evolution, observability, and production support. - Partner with Product and other engineering teams on requirements, integration points, and tradeoffs affecting customer access and usage.