# Staff Software Engineer, Pentest Experience 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: Senior
- Location: US, Remote
- Work setup: Remote
- Pay: $230K to $270K base salary per year (USD)
- Posted: 2026-11-03
- Apply by: 2026-12-18
- Apply: https://jobs.ashbyhq.com/horizon3ai/fa46f13d-9c5a-4ad9-9ee8-eb3679a6f29c?utm_source=1752vc&utm_medium=careers
- Page: https://www.1752.vc/careers/jobs/horizon3-ai-staff-software-engineer-pentest-experience/

## About the role

We are hiring a Staff Software Engineer, Backend to anchor the technical direction of the Assessment Experience team, transforming how customers work with NodeZero to secure their environment. Assessment Experience is part of the Proactive Offense engineering organization, which builds the core NodeZero product flow: hack, prioritize, fix, verify. 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
- 8+ years of professional software engineering experience, including sustained ownership of production backend systems
- Experience building backend services in at least one modern language, such as Python, Go, Rust, or TypeScript
- Strong SQL skills and production experience with at least one relational database, including complex joins, CTEs, window functions, and deliberate schema design
- Experience building backend services on a cloud platform (AWS, GCP, or Azure) and familiarity with Docker and containerized applications
- Experience designing and operating APIs, services, and asynchronous or event-driven systems

Tags: Engineering

Source: 1752vc Careers, https://www.1752.vc/careers/jobs/horizon3-ai-staff-software-engineer-pentest-experience/