Product Engineers & Backend Engineers at Langfuse (now part of ClickHouse)
Core
Building an open-source LLM engineering platform for tracing, observability, evaluation, and prompt management to help teams ship and improve LLM and agent applications.
Role type
Senior Backend Engineer (LLM Observability Platform)
Builds
A scalable observability platform for LLM traces, evaluations, and prompt management used by engineering teams.
Domain
Artificial Intelligence / Large Language Models / Observability Infrastructure
Deliverable
production ML models | infrastructure
Required skills
Backend engineering, distributed systems, LLM observability, tracing systems, prompt management, evaluation frameworks
Preferred skills
Experience with open-source projects, scaling infrastructure, agent development
Technologies
ClickHouse, LLM frameworks, tracing tools
Responsibilities
Design and implement backend services for trace segmentation and insight surfacing, optimize observability at scale, enhance the product surface for engineers, collaborate on roadmap execution.
Seniority
Senior, hands-on IC