Technical Customer Success ( San Francisco

Technical Customer Success (San Francisco)

Join to apply for the Technical Customer Success (San Francisco) role at Langfuse

Base pay range: $/yr - $/yr

As an early customer success hire, you’ll shape how Langfuse partners with users and customers to ensure successful onboarding, adoption, and long‑term growth. You’ll work closely with founders, engineering, and GTM teams to help technical users get the most out of Langfuse.

• Help new users and customers onboard and succeed with Langfuse.
• Provide hands‑on guidance and best practices for LLM observability and evaluation.
• Serve as the main point of contact for technical and operational questions.
• Track product adoption and proactively reach out to help customers deepen usage.
• Identify upsell opportunities and contribute to retention and growth.

• Translate customer needs into actionable product feedback.
• Build and maintain feedback loops between users, success, and product teams.
• Help shape documentation and learning resources to reduce friction.

• Build and maintain workflows for tracking adoption, success metrics, and customer health.
• Document playbooks, best practices, and internal tooling for the success function.
• Partner with sales and product to align priorities across the user lifecycle.

• Experience in customer success, solutions engineering, or technical account management at a SaaS/devtool company.
• Strong technical aptitude — able to understand APIs, logs, and developer workflows.
• Excellent communication and problem‑solving skills.
• Comfortable working cross‑functionally in a fast‑moving startup.
• Willingness to work in‑person ~4 days/week.

• You’ve used Langfuse (sign up for a free account).
• Familiarity with open‑source or developer‑focused products.
• Experience supporting or building with LLM/AI tools.
• Entrepreneurial mindset — you enjoy building new processes and solving ambiguous problems.

• Work with sophisticated technical users and top engineering teams.
• Competitive salary & equity.
• Rapid customer and revenue growth.
• Join early and shape the company’s culture and processes.
• Extreme autonomy and focus on outcomes.
• Team culture described by everyone as “the best place I’ve ever worked.”
• Only two short scheduled meetings per week.

You’ll join our early core team, working closely with founders Clemens (COO, sales) and Marc (CEO, product/marketing). Clemens is based in San Francisco, Marc in Berlin. We prioritize in‑office collaboration, learning, and ownership.