Growth Intern

About Us

At telli, we’re building the first AI-native phone system. Since launching last year at Y Combinator (the same investors behind Airbnb, Stripe, Twitch, Coinbase, and others), we’ve grown >$2M in annualized revenue with a team of only 12 people. Today, many companies fail in their customer communication not because they don’t care, but because they can’t keep up. The sheer volume of calls forces them to rely on low-quality outsourced call centers or have their internal teams waste hours on repetitive calls. With telli, our customers now rely on AI voice agents that handle their repetitive calls, freeing humans to focus on what matters—talking to customers when it counts. The result: higher efficiency, happier teams, and better customer experiences. Legacy phone systems weren’t designed for an AI-first world. That is why we are building the first AI-native phone system that lets companies manage both their human and AI teams on one platform. Our founding team knows this problem inside-out. We ran a 150-person internal call center at Enpal. We know how difficult and expensive it is to scale high-quality customer experience with phone calls. The opportunity is massive!!! and we’re just getting started. We’re on a mission to let every company provide a world-class customer experience by ending the era of low-quality call centers.

What you’ll do:

• help us build out telli’s gtm engine to 10x revenue over the coming year
• identify the right prospects and engage with them
• drive outreach across multiple channels including email, linkedin and phone
• automate manual work with an AI-first approach
• interact directly with potential customers, build demos and help them succeed
• work closely with Badr, Ennie, Romy, and William and Philipp

What makes you a great fit:

• you are hands-on and not afraid of doing unglamorous work
• you’re tech- & automation savvy and can learn new tools fast
• you love solving problems and figuring things out on your own
• you’re a strong communicator in both English and German
• you’ve have initial (internship) experience and/or worked on side hustles or projects
• you’re done or at the end of university and could imagine starting full-time after the internship

You may not make a good fit if:

• you have never touched automation/AI tools or don’t have basic technical understanding
• you only want to do high-level “strategic” work
• you aren’t comfortable juggling multiple tasks at once
• you don’t enjoy working directly with customers or in dynamic environments
• you’re only looking for a typical 9–5 internship

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