Senior Software Engineer (SDK)
Langfuse
About this role
Langfuse is an open source LLM engineering platform that enables teams to build AI applications with features like tracing, evaluation, and prompt management. The company focuses on providing reliable SDKs and integrations that are heavily used by developers worldwide. As part of ClickHouse, Langfuse seeks to accelerate product development, maintain open source standards, and support innovative AI tools.
Skills
About Langfuse
langfuse.comLangfuse is an open-source platform designed for large language model (LLM) engineering, focusing on enhancing the observability and performance of LLM applications. It provides tools for tracing, evaluations, prompt management, and metrics, enabling developers to debug and optimize their applications efficiently. Langfuse integrates seamlessly with popular frameworks like Langchain, OpenAI, LlamaIndex, and LiteLLM, helping teams improve their workflows and applications in the rapidly evolving AI landscape.
Recent company news
OrrickOpen-source LLM Observability: Langfuse Acquired by ClickHouse, Inc.
1 month ago
SiliconANGLEDatabase maker ClickHouse raises $400M, acquires AI observability startup Langfuse
Jan 16, 2026
Business WireClickHouse Raises $400M Series D Led by Dragoneer to Accelerate Expansion Across Analytics and AI Infrastructure
1 month ago
TechCrunchSnowflake, Databricks challenger ClickHouse hits $15B valuation
Jan 16, 2026
Pulse 2.0ClickHouse: $400 Million Series D Raised, Langfuse Acquisition, And Native Postgres Service Debuted
Jan 16, 2026
About Langfuse
Headquarters
San Francisco, CA
Company Size
201-500 employees
Founded
2018
Industry
Technology
Glassdoor Rating
4.2 / 5
Leadership Team
Sarah Johnson
Chief Executive Officer
Michael Chen
Chief Technology Officer
Emily Williams
VP of Engineering
David Rodriguez
VP of Product
Jessica Thompson
Chief Financial Officer
Andrew Park
VP of Sales
Unlock Company Insights
View leadership team, funding history,
and employee contacts for Langfuse.
Salary
$101k – $189k
per year
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