Senior Backend Engineer: Scale Massive Data Pipelines (Remote)

Langfuse is seeking a backend engineer to own ingestion, data models, and scalable infrastructure. You will optimize query performance and build backend abstractions that enable product engineers to ship data-heavy features quickly.

You will work across a distributed, open source stack, ensuring Langfuse runs reliably in cloud and self-hosted environments. This role suits someone who loves big data and high-throughput systems.