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At Hey Telo, we're building AI agents for the real world.

German tradespeople - the "Handwerker" - are stuck on calls and paperwork instead of focusing on their craft. Our voice AI answers their phones, schedules jobs, and handles customer communication, giving them hours back every day.

We're YC-backed, based in Munich, and at the stage where the next hires shape the company itself.

As Founding Software Engineer Intern, you'll build the product and infrastructure that thousands of Handwerker rely on every day - the full stack, from user-facing features to the systems running underneath them.

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📌 Quick facts:

• Internship (4-6 months) | Start ASAP
• In-person in Munich
• Compensation: 2.5k - 4k€ / month

What you will be working on

• Product. Build intuitive user experiences in an AI-first world. The interfaces Handwerker touch every day should feel fast, simple, and reliable.
• Backend infra. Design and scale the systems that handle thousands of phone calls per day without dropping any.
• Customers. Sit with Handwerker. Hear their actual problems. Ship things that solve them. The best decisions we make come out of these conversations.

✅ You might be a fit if you:

• Are currently studying Computer Science, AI, or related fields, or recently graduated
• Are a strong builder
  • Have done projects in full-stack software engineering (React, TypeScript, Python) and cloud technologies (Docker, Kubernetes, AWS/GCP/Azure)
  • AI tooling (Claude Code, Cursor, etc.) is part of how you work
• Want full ownership from day one - you build the structure, not wait for it
• Speak fluent German (at least C1) and actually want to sit with Handwerker, hear their problems, and let that shape what you build

❌ You might not be a fit if you:

• Have no prior experience in software engineering teams
• Want a remote-first, async culture - this is in-person Munich. A lot of the value comes from being in the room with customers and the team.
• Are looking for a cushy, slow-moving 9-5 role.

💥 Why join Hey Telo?

• YC-backed, live in market, hundreds of Handwerker using us every day, 40% growth MoM