this role is still open! - we are hiring 2 more founding engineers.
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To apply for this role please send an email to [email protected] with:
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If this role isn't for you but you know someone great, share a referral to [email protected]. If we end up hiring them, you'll get €5000!
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we’re looking for an ambitious founding engineer with high agency!
telli is building AI voice agents that change the way businesses communicate with their customers. Voice is the most natural way humans communicate. However, high-quality voice interactions have historically struggled to scale, leading businesses to rely on clunky user interfaces and compromise on customer experience.
AI dramatically improves both quality and scalability. While many see the potential of AI voice agents, telli is doing more than just building a realistic-sounding voice demo: we are bringing AI voice into real-world workflows that deliver outcomes. We believe businesses need a simple, tailored tool that helps them transform their customer communication channels. This is what we’re building! The opportunity is huge, and the time to build is now.
we have a unique insight
we know this problem inside out. Finn and Philipp previously scaled the heat pump unit of energy unicorn Enpal. There, they worked at the heart of a massive, call-center-like sales floor - surrounded by hundreds of reps with old school headsets. That hands-on experience gave us unfiltered insight into the challenges and opportunities with phone-based customer processes that is shaping telli’s product.
we are growing fast
within the last 5 months, telli has processed close to a million phone calls, we have consistently grown revenue more than 50% month-over-month over the last 3 months and are experiencing strong customer pull - with just a small 6-person team out of our Berlin office.
what we believe in: hi.telli.com/principles
we care deeply about doing exceptional work, and are looking for a like-minded people to build this company with us.
our tech stack includes TypeScript, React, TanStack, Node, Python, Postgres as well as Temporal.io and Pipecat. But more than familiarity with any specific technology, we value a customer-centric approach and ability to ship end-to-end features.