Jobs in Germany
Frontend Engineer
In short: We're hiring a Frontend Engineer to build performant, scalable user interfaces for our rapidly growing LLM engineering platform.
About Langfuse
We are building the fastest growing open-source LLM engineering platform.
We help engineers and enterprises build and run LLM applications at scale.
We've raised $4m from Y Combinator, Lightspeed and General Catalyst.
Thousands of teams and engineers use Langfuse daily
Thousands are joining every month
We're a small, focused team working from Berlin, Germany.
What you'll do
Past projects you would have led:
Come up with an improved architecture for our frontend application
Build self-serve dashboards to generate insights into billions of LLM executions of our users
Creating performant table components with a focus on usability and fast rendering times
Implementing advanced filtering and search interfaces for complex datasets
Tech Stack
You should be familiar with a majority of these but we trust that you can pick up a new language/framework quickly.
React
Frontend and Backend in Typescript (including Express, NextJs, Tailwind, Prisma, tRPC)
What we're looking for
3+ years of experience in frontend development
Experience building highly performant front-ends.
Strong understanding of React, TypeScript, and modern frontend tooling
Experience with state management and data fetching patterns
Hard worker and thrive working in a small and accountable team
Excited about open source software
A CS/quantitative degree is preferred
Bonus
Performance optimization and profiling experience
ML/AI experience
Impressive achievements from previous careers or side projects
Previous startup or founding experience
Why Langfuse?
You are joining really early
Strong Product Market Fit!
We are building a very small but highly capable team
Only hiring Engineering in foreseeable future
Strong customer & revenue growth
Building picks and shovels for the hottest AI companies
Building for very sophisticated technical users
Competitive salary & equity
Performance and learning focused culture
Everyone on the team says: "best place I've ever worked at"
How we work
Engineering based in Berlin ( we aim for 4-5 days in the office )
No more than 2 short scheduled meetings per week
Extreme ownership & autonomy how and what to work on
Hiring Process
We can run this process in less than 7 days.
Fill out application
We screen your application
Jump on a intro call with our CTO
Technical Deep Dive interview
Super Day ( half or full day in Berlin Office )
Meet the other founders (short calls)
Decision & Offer
Links
Compensation: €70K – €160K • + Equity Package
- • Base Salary €70K – €160K • + Equity Package
Estimated Salary after Taxes *
| Salary | Monthly | Yearly |
|---|---|---|
| 70.000,00 € | 3.590,52 € | 43.086,20 € |
| 160.000,00 € | 7.622,52 € | 91.470,27 € |
Income Tax for 70.000 € in Germany →
* Your estimated salary may change based on external factors, use our salary calculator
Jobs at Langfuse
-
70.000 - 160.000 €
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