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Langfuse is hiring a
Product Engineer

About Langfuse

Langfuse (YC W23) is building open source LLMOps dev tooling, starting with observability and branching out into more workflows like evals, prompt management, playground, and testing. They are looking for their third to fifth hire to scale and build feature depth.

Job Description

Langfuse is seeking a Product Engineer to help build and ship product features around LLM observability, tracing, evals, and prompt management. You will work on the product surface engineers interact with daily and collaborate with backend/frontend teams to improve usability and reliability. This is a full-time role based in Berlin or EU remote with travel to Berlin about once per 2 months (approximately 1 week onsite per cycle; travel covered). Salary €70,000–€130,000 plus equity in ClickHouse/Langfuse. Note: This posting covers two roles (Product Engineer and Backend Engineer); please apply to the role that fits you.

Remote

Remote Conditions

EU-based remote; ~1 week onsite every 2 months in Berlin, Germany; travel covered; CET/CEST time zones preferred

Salary

70K

 to 

130K

Benefits

Equity; travel coverage for onsite visits

Tech Tags

No tags

Equity Offered

Date Listed

05 August, 2026 (about 10 hours ago)
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