Technical Sales ( San Francisco

Position: Technical Sales ( San Francisco )
Base pay range

$/yr - $/yr

GTM Engineer / Technical Sales at Langfuse

TLDR;
Langfuse is building open source dev tooling for LLM apps based on observability/tracing. We have significant traction (we’re default alive), growing fast, and are looking for technical profiles to build out our Go To Market functions in‑person either in San Francisco or Berlin, Germany.

Background

Langfuse is the open‑source LLM engineering platform, helping engineers understand user interactions with LLM applications and improve them. We work with great customers like Twilio, Sum Up, and Khan Academy and have raised a seed round from Y Combinator, Lightspeed, and General Catalyst. Tens of thousands of engineers rely on Langfuse – learn more about us here.

Your Role

As an early GTM hire, you’ll shape Langfuse’s commercial engine end‑to‑end.

Technical Sales In An Inbound‑led Motion

• 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.

Process & Systems

• 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.

Technical & Commercial Insight

• 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.

Requirements

• Hands‑on experience in technical sales or customer success at a SaaS/devtool startup.

• Proficiency with CRM tools (e.g., Hub Spot, 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.

Why Langfuse?

• 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

Team & Culture

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.

Further Links

• Ben Kuhn on Impact, Agency and Taste

• How Posthog does sales

• Clay:
The Rise of the GTM Engineer

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