Langfuse - Senior Product Engineer (US-East)

ClickHouse

21h • Remote

About The Position

Langfuse product engineers deliver new features end-to-end, owning the product process from understanding user problems and deciding what to build through implementation, documentation, and release. The work is open source and directly visible to a large developer community. The role offers direct exposure to how developers build LLM applications and the opportunity to learn from their needs.

The engineer works across a broad technical surface area, including a React frontend, Next.js backend, ClickHouse analytics, Python and TypeScript SDKs, public documentation, Terraform modules, and other systems. They regularly talk with users through calls and community channels, handle or route support requests, and publish documentation for the features they own. Engineers also present new features publicly during Launch Weeks.

Requirements

• Experience building and shipping user-facing products or features end-to-end.
• Ability to independently manage projects and develop conviction about what to build and how to ship it.
• Good product and developer-experience judgment, including care for API design, UI details, and clear documentation.
• Interest in open source software and genuine enthusiasm for discussing developers’ problems.
• Ability to thrive in a small, accountable team where individual output is visible.
• Experience with TypeScript and React is ideal, along with exposure to data-intensive backends.

Nice To Haves

• A computer science or quantitative degree.
• Experience with ClickHouse, analytics databases, or complex data visualizations.
• Former founder or early-stage startup experience.
• Contributions to popular open source projects.
• Machine learning or artificial intelligence background, or familiarity with the LLM framework ecosystem.

Responsibilities

• Own features end-to-end, from user research and product specifications through implementation, documentation, and release communications.
• Work across the full stack and use the technologies and systems needed for each feature.
• Talk with users, participate in community channels, and respond to or route support requests.
• Write public documentation for owned features.
• Present features to the community during Launch Weeks.

Benefits

• Flexible, remote-friendly work environment.
• Employer contributions toward healthcare.
• Stock options for every new team member.
• Flexible time off in the United States and generous time-off entitlement in other countries.
• USD $500 home office setup contribution for remote employees.
• Opportunities to connect in person at company-wide offsites.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: No Education Listed