# Principal Backend Engineer, Enterpise Platform at Horizon3.ai

- Company: Horizon3.ai
- What the company does: Horizon3 uses real-world attacks to safely show what attackers can actually do in your environment—so you can fix and prove what matters. Backed by NEA.
- Company website: https://horizon3.ai/
- Type: Startups (AI role)
- Level: Principal and up
- Location: US, Remote
- Work setup: Remote
- Pay: $255K to $295K base salary per year (USD)
- Posted: 2026-11-03
- Apply by: 2026-12-18
- Apply: https://jobs.ashbyhq.com/horizon3ai/729616b9-52bc-49ea-8216-6d2002549964?utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/horizon3-ai-principal-backend-engineer-enterpise-platform/

## About the role

As a Principal Software Engineer on the Enterprise Platform team, you’ll set technical direction for foundational services that power NodeZero’s customer and partner experiences. You’ll help shape how the platform manages licensing and entitlements, account administration, onboarding and provisioning, notifications, and asset workflows for managed service and security providers. Found on 1752vc Careers, the job board for startup and VC roles.

## What they're looking for

- 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 a modern language such as Python, Go, Java, or TypeScript
- Strong SQL and relational data modeling experience, along with API and service design for production systems

Tags: Engineering

Source: 1752vc Careers, https://www.1752.vc/careers/jobs/horizon3-ai-principal-backend-engineer-enterpise-platform/