Customer Engineer

About the Role A fast-growing, Y Combinator–backed AI voice automation startup is looking for a Customer Engineer to join its technical customer-success team. In this role, you'll sit at the intersection of engineering and customer experience — helping clients successfully deploy and get the most out of an AI-powered voice agent platform. Your work will directly shape customer satisfaction and product direction. What You'll Do

• Provide hands-on technical guidance to customers as they deploy, configure, and optimize the platform.
• Troubleshoot Postgres-backed data workflows and frontend/backend code (TypeScript, React, Node.js, Python) alongside customers.
• Help customers design effective prompting strategies and workflows to unlock maximum value from AI voice agents.
• Build and maintain strong customer relationships, acting as a technical liaison between customers and internal product/engineering teams.
• Gather, synthesize, and communicate customer feedback to drive product improvements and documentation updates.

What We're Looking For Required:

• 2+ years of Software Engineering experience.
• Proven familiarity with TypeScript, React, Node.js, and Python.
• Experience working with PostgreSQL.
• Demonstrated direct business impact through written code.
• Some customer-facing or client-interaction experience in a software or technology context.
• Ability to guide customers through prompting techniques and related AI workflows.

Nice to Have:

• Strong CS fundamentals.
• Interest in or experience with AI/LLM-driven products.
• Experience in B2C SaaS, voice automation, or conversational AI platforms.

Location This is an on-site role based in Berlin, Germany. Visa sponsorship is available. Why Join

• Work on a product with real, measurable impact for B2C businesses across multiple markets.
• Join a small, high-caliber team backed by top-tier investors at an early and exciting stage (pre-seed/seed).
• Directly influence both product roadmap and customer outcomes.