Langfuse is building open-source observability and product analytics for LLM applications. We help engineers and companies understand how customers use their LLM applications and how they can improve on them. Have a look at our website and especially technical docs to learn more.
Langfuse is looking for a founding fullstack engineer to join the founders. We are building open-source observability and product analytics for LLM applications and have raised a $4M Seed Round from Y Combinator, Lightspeed, La Famiglia and angels. We are now looking for our first hire, a founding full-stack engineer, to join our team in-person in Berlin (Germany).
This is the perfect role for an engineer with an entrepreneurial mindset. On a normal day, you may be:
Stack: Frontend and Backend in Typescript (T3 Stack including NextJs, Tailwind, Prisma, tRPC), Postgres, Client facing SDKs in Python and Typescript, — you should be familiar with a majority of these but we trust that you can pick up a new language/framework quickly. Please have a look at our repo to see our architectural choices.
You are joining Langfuse early. We will treat you as a core member of the team from day 1 and you will be incentivized as such. Your decisions and code will lie at the foundation of our product. As such choosing scalable technologies and anticipating upcoming challenges are key while we will continue to move quickly and iterate towards product-market-fit.
You will contribute to a thriving commercial open source project. You will have the opportunity to own parts of the Langfuse product end-to-end and take on manager responsibilities if you so choose.
We are looking for a fullstack engineer. Someone who is looking to wear a number of hats at the same time or start a company themselves in the future.
You will be working closely with Max (CTO) and Marc (CEO) who own tech and product respectively
We work in-person from our lovely office in the heart of Berlin-Mitte. We aim for 3-5 days in the office a week and regular shared lasagna meals, beers, Mario Kart and other fun stuff.
You will receive a competitive package of salary and equity. We are happy to discuss your preference between the two. Please find guidance below.
Salary: 60,000 - 100,000 EUR
Equity: 0.1% - 1.5% Equity
Stack: Frontend and Backend in Typescript (T3 Stack including NextJs, Tailwind, Prisma, tRPC), Postgres, Client facing SDKs in Python and Typescript