Product Engineer (Growth)
LangfuseBerlin, Germany • London, England, United Kingdom • Munich, Bavaria, Germany • Paris, Ile-de-France, France • Zurich, Zurich, Switzerland
Posted February 17, 2026
Full Time
About the Company
Open Source LLM Engineering Platform that helps teams build useful AI applications via tracing, evaluation, and prompt management
Job Description
We're a small, engineering-heavy, and experienced team in Berlin and San Francisco. We are also hiring for engineering in EU timezones and expect one week per month in our Berlin office (how we work). Langfuse is growing on an exponential curve while we are adding more users. Your work will have an outsized impact.
Requirements
- Drive to learn fresh things - you experiment on many different topics and come up with ideas
- A hang for business - you envision how Langfuse succeeds through product lead growth
- Experience in full-stack development - you can ship changes that touch FE and BE in our product with confidence
- SQL skills (for analytics)
- You are excited to talk to and think like our users
- Experience with devtools / OSS ecosystems and developer-centric go to market
- Taste for UX / Design big plus
- Familiarity with AI/LLM Engineering
Benefits
- Generous Paid Time Off
- 401k Matching
- Retirement Plan
- Visa Sponsorship
- Four Day Work Week
- Generous Parental Leave
- Tuition Reimbursement
- Relocation Assistance
