Remote Principal DB Platform Engineer — PostgreSQL at Scale

Horizon3.ai; United States; Remote; USD 255,000 - 290,000; Full time

Benefits offered by this job

Inclusive Team

Growth Opportunities

Innovative Culture

Remote Work

Competitive Compensation

Job summary

Horizon3.ai seeks a Principal Engineer for the Database Platform to anchor NodeZero's data infrastructure. This individual contributor role writes code, owns architecture decisions, and guides the data layer to support growing customers and environments.

You will drive PostgreSQL excellence, multi-tenant design, and schema governance, partnering with Data Ingestion, Asset Inventory, API Platform, and Security Research to set standards and raise the engineering bar across the team.

Qualifications

• Deep, production-proven PostgreSQL expertise including query planning, indexing, partitioning, replication, and pooling.
• Experience architecting multi-tenant databases with tenant isolation and schema-per-tenant vs shared-schema tradeoffs.
• Production-grade schema migrations with zero-downtime strategies and compatible evolution tooling (Flyway, golang-migrate, etc).
• Familiarity with graph data models and graph databases or graph-like relational patterns.
• Proficient in Go or Python and able to contribute production code beyond SQL.

Responsibilities

• Define and drive the technical roadmap for the Database Platform.
• Own complex database architecture decisions and produce design documents as the shared model.
• Set PostgreSQL standards for scale, performance, and reliability.
• Architect and guide graph and multi-model data strategies across pentest data.
• Ensure safe, reversible migrations and schema governance processes.
• Mentor engineers and raise the team's capabilities.
• Collaborate with Data Ingestion, Asset Inventory, API Platform, and Security Research.

Skills

PostgreSQL

Go or Python

Multi-tenant DBs

Data architecture

Schema migrations

Graph databases

SQL proficiency

Tools

Flyway

golang-migrate

Neo4j

AWS Neptune

Job description

Horizon3.ai seeks a Principal Engineer for the Database Platform to anchor NodeZero's data infrastructure. This individual contributor role writes code, owns architecture decisions, and guides the data layer to support growing customers and environments.

You will drive PostgreSQL excellence, multi-tenant design, and schema governance, partnering with Data Ingestion, Asset Inventory, API Platform, and Security Research to set standards and raise the engineering bar across the team.