Software Engineer

Berlin · On-site€75k – €160k + Equity

About this role

Join telli's small, fast-moving engineering team to own projects end-to-end and directly shape the product alongside customers. You'll influence core architecture decisions, ship features with real velocity, and tackle meaningful customer problems in an AI-first, communications-enabled environment. This is a high-impact opportunity to build infrastructure and product experiences that power thousands of AI-driven conversations daily.

What youll do

  • Work closely with customers to understand their problems and design product experiences that solve their challenges.
  • Build scalable backend infrastructure to handle thousands of AI phone calls a day.
  • Build intuitive user experiences that make sense in an AI-first world.
  • Own high-stakes projects end-to-end, from concept through production and post-release support.

What telli is looking for

  • 2+ years of professional software engineering experience.
  • Strong PostgreSQL experience.
  • Experience designing scalable backend architectures and making core product and architectural decisions.
  • Familiarity with TypeScript, React, Node, and Python.
  • Experience with scalable async processing or real-time processing systems.
  • Ability to own projects end-to-end from concept to production and post-release support.
  • Strong collaboration with customers and cross-functional teams to translate problems into product experiences.
  • A track record of developing a product from 0 to 1.
  • Familiarity with Temporal.io, Twilio, or Modal.
  • Experience building products for AI-first or communications-enabled platforms.

Company at a glance

telli helps brands manage AI-powered customer conversations at scale, with Sky using its platform to deploy thousands of voice agents; the company notes 18 million conversations every 10 minutes and aims to own its marketing engine.

Team Size11-50
WorkspaceOn-site
StagePre-Seed
IndustrySaaS
Location
Berlin, Germany
Investors
Cherry Ventures ·Y Combinator
Websitetelli.com
LinkedInLinkedIn

What happens next

Skip the application pile. I get you in front of the people who decide.

Confirm the fit

A few questions to make sure this role is the right shape for you. Two minutes.

I pitch you to the company

I write the intro, send it to the founder, and handle the back-and-forth.

A meeting lands on your calendar

When the company wants to meet, I get the call on your calendar. You just show up.

Culture & values

We are a small, AI-pilled team that likes to solve hard problems.

We build, experiment, and move fast, while heavily leveraging the capabilities of AI models.

We challenge ourselves and take real ownership over what we do, while staying humble with a low-ego culture.

Know someone who'd be great for this?