Open Source LLM Engineering Platform that helps teams build useful AI applications via tracing, evaluation, and prompt management (mission, product)
We have the chance to build the "Datadog" of this category; model capabilities continue to improve but building useful applications is really hard, both in startups and enterprises
Largest open source solution in this category: >2k customers, >14M monthly SDK downloads, >6M docker pulls
We raised money from world class investors (Y-Combinator, Lightspeed, General Catalyst) and are default alive by making more money than we spend
We're a small, engineering-heavy, and experienced team in Berlin and San Francisco (how we work)
We have significant traction (we’re default alive), growing fast, and are looking for a technical profiles to build out our Go To Market functions in-person either in San Francisco or Berlin, Germany.
As an early GTM hire, you’ll shape Langfuse’s commercial engine end-to-end:
Help customers adopt and understand Langfuse for their use cases.
Own the full sales cycle: lead prioritization, product-led lead generation, pipeline management, technical POCs, negotiations, and closing deals.
Develop customer success strategies to ensure retention, upsells, and product adoption.
Build feedback loops between sales, support and product development.
Design and implement CRM workflows, sales pipelines, and documentation (public sales materials, contracts, order forms).
Experiment with pricing, packaging, and sales strategies for both sales-led and product-led motions.
Maintain a rigorous system for tracking leads, engagement, and outcomes.
Understand Langfuse’s architecture and use cases to articulate our value proposition effectively.
Translate customer requirements (technical, compliance, business) into actionable product feedback.
Collaborate with product teams to align the commercial roadmap with customer needs.
Hands-on experience in technical sales or customer success at a SaaS/devtool startup.
Proficiency with CRM tools (e.g., HubSpot, Salesforce) and sales automation.
Strong technical aptitude; familiarity with LLM/observability tools is a plus.
Willingness to work in-person ~4 days/week.
Bonus Points
You’ve used Langfuse (sign up for a free account here) and understand our docs.
Experience in selling in open-source or developer-focused products.
Entrepreneurial mindset with a track record of building processes from scratch.
Experience in navigating enterprise POCs with technical leadership as key decision makers.
Selling to sophisticated technical users
Competitive salary & equity compensation
Strong customer & revenue growth
You are joining really early
Extreme autonomy
Performance and learning focused culture
Everyone on the team says: "best place I've ever worked at"
2 short scheduled meetings per week
You’ll join our early core team, working closely with the founders Clemens (COO, sales) and Marc (CEO, product/marketing). Clemens is based in SF and Marc in Berlin, Germany. We prioritize in-office collaboration and the role can be based out of either office.
Learn more about Langfuse through our Handbook
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