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This job expired on 27/07/2026. It no longer accepts applications.
Software Engineer – Voice AI & Customer Conversations
telli · Berlin
Job description
About the role
We are looking for a product‑focused software engineer who will own end‑to‑end features for our AI‑driven voice platform. You will work on a small, high‑velocity team that builds, experiments, and ships AI‑powered voice agents used by leading B2C brands.
Key responsibilities
- Manage product features from concept to production, owning the full product lifecycle.
- Make trade‑off decisions to ensure the right problems are solved, not just rapid shipping.
- Polish and iterate on user‑facing features to deliver delightful experiences.
- Design, build, and maintain reliable, scalable core infrastructure supporting millions of daily calls.
- Solve novel challenges that arise from Voice AI and large‑scale call handling.
- Evaluate and integrate different AI models to push technological limits for customers.
Required profile
- High velocity: consistently delivers high‑quality code quickly.
- Strong sense of ownership and agency – you take initiative without being told.
- First‑principles thinker who digs deep into underlying problems.
- Comfortable leveraging AI models in everyday development work.
Required skills
- Experience building scalable backend systems.
- Familiarity with Voice AI platforms and AI model evaluation.
- Ability to design, implement, and maintain critical infrastructure components.
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telli
Berlin