Principal Software Engineer, Agentic Data Platform at Horizon3

Confirmed open

Horizon3 seeks a US-remote principal engineer to own database architecture for its NodeZero security platform, including multi-tenant isolation and large-scale attack-path data.

Horizon3

Search jobs by company: Horizon3

Location: Remote
Advertised region: US, Remote / United States
Employment: FullTime
Work arrangement: remote
Technologies: Python, AWS, SQL, Go

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Role overview

The role is the hands-on technical lead for NodeZero’s database platform, which stores discovered assets, graph attack paths, vulnerability history and audit-critical pentest results.

Responsibilities

Set database architecture and migration standards, write code and design documents, and guide the platform team.
Improve correctness, tenant isolation, scalability and operational efficiency as customer and assessment data grow.

Qualifications

Deep production database and distributed-data architecture experience, technical leadership and hands-on implementation are central to this role.
The posting lists US remote work and a minimum broadband connection for remote staff.

How to apply

Review the original posting and apply through the employer’s careers page.

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Source checked: 2026-11-08

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