Langfuse
Open source observability for LLM applications. Y Combinator W23.
Famous for
What Langfuse is known for
- Building the observability layer for production LLM apps, addressing the debugging and monitoring gap teams face at scale.
- Founded by engineers who hit LLM pain points firsthand during Y Combinator W23, now operating dual offices.
- Attracting growth talent to an open source platform where developers can instrument and trace LLM behavior in real time.
For growth marketers
What it's like to work at Langfuse
Early-stage, post-YC. Small team building developer infrastructure for a fast-growing AI engineering market. Growth marketer here owns product positioning and awareness in a technical buyer segment. You're selling to engineers who care about observability and production reliability, not features. Expect to move fast and shape how the market understands LLM observability.
About
In their own words
Langfuse is building the open source AI engineering platform to help teams build production- ... LLM applications faster (**[Why Lang ... ?](/why)**). ... We initially realized the pains of solving problems with LLMs during Y Combinator's W23 batch in San Francisco. We now have two offices, a.
Open positions
Posiciones abiertas (1)
Around Langfuse
Keep digging on Growth.Talent
Jobs
All Product Marketing jobs
Browse every active Product Marketing listing on Growth.Talent.
Read more →
Role guide
Product Marketing role guide
What Product Marketing is, how seniority ladders, and which tools you'll touch.
Read more →
Salary data
Product Marketing salary benchmarks
Median + range across the USA market, updated weekly.
Read more →
Best of
Best early-stage growth jobs
Curated lists Langfuse sits on.
Read more →
Best of
Best growth jobs in the US
Curated lists Langfuse sits on.
Read more →
Adjacent in the market
Companies like Langfuse
Adjacent roles
Roles Langfuse typically hires
Product Marketing Manager
Bridge product and market. Positioning, launches, sales enablement.
Growth Marketing Manager
Run growth experiments. Own a channel. Move the needle.
Demand Generation Manager
Pipeline, MQLs, ABM. Where marketing meets the sales number.
Head of Growth
Own the growth function end-to-end. Strategy, channels, hiring.
FAQ
Questions about Langfuse
Is Langfuse hiring growth marketing roles?
Yes. Langfuse has 1 open growth role on Growth.Talent today. Listings refresh weekly from scraped and recruiter-posted sources.
Does Langfuse hire remote growth talent?
1 of Langfuse's 1 listing (100%) are remote or hybrid. Filter by location on each listing for specifics.
How do I apply to Langfuse?
Click any open role on this page to view the listing and apply directly. Growth.Talent forwards applications to the recruiter's inbox or to Langfuse's ATS. No intermediary, no resume gate.
Are you Langfuse?
Claim this page and turn it into a banger.
You control the cover image, the team photos, the testimonials, the open roles you want to push. Free to claim. We verify with a work email on your company domain.
- Cover image + team photos + office shots
- Founders block with LinkedIn links
- Employee testimonials and hiring process
- Customer logos + press mentions
- Featured open role with brand offset card

