ClickHouse
Langfuse - Senior Backend Engineer (US-East)
New York +4 · Remote · Senior · Full-time · Posted Oct 16, 2026
- Location
- New York
Charlotte
Atlanta
Washington D.C.
Boston - Education
- CS or quantitative degree preferred.
About the job
Build and operate Langfuse’s backend infrastructure for ingesting and analyzing AI tracing data at scale, with a focus on ClickHouse performance, reliability, and cost.
What you'll do
- Own and optimize the tracing-data ingestion pipeline for throughput, latency, reliability, and cost efficiency.
- Design ClickHouse schemas and optimize merge strategies, batch inserts, and analytical queries; validate changes with production-data load tests.
- Operate Langfuse Cloud across production environments and support self-hosted deployments, from Docker Compose to Helm charts.
What they ask for
- Comfortable reading and writing TypeScript and SQL.
- Experience with analytical databases, data pipelines, or high-throughput event processing; ClickHouse experience is not required.
- Strong backend engineering interest in database internals, query optimization, and distributed systems.
Nice to have
- CS or quantitative degree.
- Experience with ClickHouse, other OLAP databases, or observability infrastructure; former founder or experience building data-intensive systems at scale.
Tools
ClickHouse, TypeScript, SQL, Docker Compose, Helm
AI focus
Build infrastructure for AI tracing and observability, including asynchronous LLM-as-a-Judge processing, agent observability, and real-time evaluation.
Model-written summary · the original posting is authoritative