
Senior Backend Engineer, Licensing
Horizon3 AI1 day ago
Remote, United StatesSenior
Base Salary
$199k - $235k/yr
Responsibilities
- Design, build, and maintain services and APIs for customer purchases, product packaging, enabled capabilities, and usage limits.
- Own features through technical design, implementation, testing, rollout, and production operation.
- Build entitlement and usage workflows for direct and MSP/MSPP account models.
- Partner with Product and adjacent engineering teams to define interfaces and resolve licensing, packaging, and feature-access edge cases.
- Improve tests, observability, design documentation, runbooks, and support playbooks for business-critical services.
- Investigate production issues across service boundaries and implement durable fixes.
- Review code and design proposals and share context with other engineers.
Requirements
- Bachelor’s degree in Computer Science, Computer Engineering, or a related field, or equivalent practical experience.
- 7+ years of professional software engineering experience building and operating backend software.
- Experience with a modern backend language such as Python, Go, Java, or TypeScript.
- Experience designing APIs and data models for business-critical services or customer-facing workflows.
- Strong SQL and relational database experience, including data integrity and production troubleshooting.
- Experience with cloud-hosted services and containerized applications such as Docker, with familiarity with Kubernetes or a comparable orchestrator.
- Strong foundation in testing, observability, and ownership of production services.
- Experience with licensing, entitlements, subscriptions, usage metering, billing-adjacent workflows, or feature access controls is preferred.
- Experience with multi-tenant SaaS, account hierarchies, RBAC, or partner account models is preferred.
- Experience with Python or Go, PostgreSQL, GraphQL, AWS, and event-driven or distributed systems is preferred.
- Familiarity with Kafka, Temporal or Prefect, and production observability platforms is preferred.
- Ability to reason through edge cases, communicate risks and tradeoffs, collaborate effectively, and manage concurrent work.
Benefits
- Fully remote work arrangement, with up to 5% travel required; the company also describes hybrid and remote work models depending on role and location.
- Health, vision, and dental insurance for employees and families.
- Flexible vacation policy and generous parental leave.
- Inclusive, collaborative culture with career development opportunities.
- Full-time roles are eligible for an equity package in the form of stock options.
Tech Stack
Categories
About Horizon3 AI
Horizon3 AI builds NodeZero, a proactive security platform that autonomously performs penetration testing and validates attack paths across on‑prem, cloud, and hybrid environments. The company sells its software by subscription to security and IT teams at enterprises and government agencies, helping prioritize and verify fixes. Founded in 2019 and headquartered in San Francisco, it is privately held and serves customers across regulated industries and the public sector.