Horizon3AI
Staff Software Engineer, Data Platform
$230K–$260K
US, Remote · Remote · Staff · Full-time · Posted Oct 23, 2026
- Experience
- 8+ years of professional software engineering experience with deep specialization in database systems and data infrastructure.
About the job
Set technical direction and build reliable, high-performance database systems supporting Horizon3’s cybersecurity platform and its large-scale data workloads.
What you'll do
- Define database architecture, data modeling, schemas, indexing, and query standards across teams.
- Own database performance, reliability, operations, and safe production migration frameworks.
- Write production code, enable application teams, and mentor engineers on database engineering.
What they ask for
- 8+ years of professional software engineering experience specializing in database systems and data infrastructure.
- Expert-level PostgreSQL proficiency, including production query tuning, replication, vacuum, and locking issues.
- Experience with zero-downtime migrations, graph databases, and time-series or columnar stores.
- Production database experience in Kubernetes or cloud-managed environments, proficiency in Go or Python, and a record of setting engineering standards and mentoring engineers.
Nice to have
- Experience with multi-tenant database architectures or cybersecurity data at scale.
- Familiarity with eBPF-based database observability, advanced profiling, or vector databases.
Pay
$229,500 - $260,000 annually (base salary)
Tools
PostgreSQL, Neo4j, ClickHouse, TimescaleDB, Kubernetes, RDS, Cloud SQL, Go
Model-written summary · the original posting is authoritative