Langfuse - Senior Product Engineer

The role

Product engineers deliver new features end-to-end by understanding user problems, deciding what to build, and shipping solutions. You will work across the full stack including React, Next.js, ClickHouse, Python, and TypeScript SDKs.

What you will do

• Own features end-to-end from user conversations to shipping code and docs
• Work across the full stack including React, Next.js, ClickHouse, Python, and TypeScript SDKs
• Talk to users via calls, community channels, and support requests
• Write public documentation about owned features
• Ship features publicly during Launch Weeks

Required qualifications

• Built features or entire products from scratch end-to-end
• Experience building and shipping user-facing products end-to-end
• Experience in TypeScript/React and exposure to data-intensive backends
• Ability to manage projects themselves
• Taste for great developer experience including API design, UI details, and clear documentation
• Interest in open source software
• Excitement about talking to developers about their problems
• Ability to thrive in a small, accountable team

Nice to have

• CS or quantitative degree
• Experience with ClickHouse, analytics databases, or building complex data visualizations
• Former founder or early startup experience
• Contributions to popular open source projects
• ML/AI background or familiarity with the LLM framework ecosystem

Benefits

• Flexible work environment
• Employer contributions towards healthcare
• Stock options
• Flexible time off in the US or generous entitlement in other countries
• USD$500 Home office setup for remote employees
• Opportunities for in-person connection at company-wide offsites

About the company

ClickHouse is a globally distributed company operating in over 25 countries. Langfuse is an open source product with 35,000+ GitHub stars.