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What they do

telli helps B2C companies build, deploy, and improve AI voice agents that talk to their customers. The agents qualify leads, book appointments, collect payments, and answer support calls in more than 20 languages. Charlie is an AI coworker that helps teams build agents, connect systems, and analyze calls. Sky uses telli.

What they value

• Every second counts: focus, and delete work that is not high leverage.
• Choose simple solutions over sophisticated ones.
• Give each project one clear owner who can decide and take risks.
• Decide with conviction: a "hell yes" or a no, not a maybe.
• Never stay blocked: act with more agency instead of waiting for permission.
• Stay humble and keep a low-ego culture.

Where they hire

All 15 Postings are on-site in Berlin, where telli has its office in Berlin-Mitte. telli works in person, and several Postings say that remote work is not a good fit. Four sales and marketing roles ask for five days a week in the office. telli helps new hires with relocation and visas.

Teams and roles

telli calls itself a small team. The board lists 15 roles in four teams, and six of them are internships.

• GTM: a VP of Sales, two enterprise account executives, an enterprise business development representative, a founding marketing lead, and a GTM intern. Enterprise deals are €100k or more.
• Product, design, and engineering: three engineering roles, for all areas, product, and voice AI. The work covers fast and reliable voice AI, agents that use WhatsApp and email as well as calls, a distributed call scheduler, agent memory, and Charlie.
• Customer operations: a deployment strategist takes a customer from signature to the first production call. Two interns support deployment and customer success.
• General: a part-time workplace and people operations manager, and interns in the founders' office and in strategy and business operations.

The engineering stack includes Python, FastAPI, LiveKit, TypeScript, Bun, React, PostgreSQL, Redis, and Temporal. Engineering pays €85K to €160K plus equity, and internships pay €3K to €5K per month.

What they look for

Every Posting except the three engineering roles asks for strong English and German. Engineers must have built and owned distributed systems in production and have strong software fundamentals. Many Postings ask for people who act without detailed instructions and do unglamorous work. They also ask for real use of AI tools and automation. The deployment strategist needs more than one year in a customer-facing role, and the marketing lead needs three or more years in marketing. Most internships ask for people at or near the end of university. Several Postings say that the job is not a 9-to-5 job. The Postings do not describe the interview steps.