CAREERS
Help us build the future of German public administration
We build AI that helps citizens and public administrations every day – in real use, not in a lab. You take ownership from day one.
More than 100 municipalities use Charly- Phone, chat and Schreibtisch – all in production
- Small team, working directly with the founders
- Office at Rosenthaler Platz, Berlin
Open positions
Strategy
Operations
Generalist
Founders Associate (m/f/d)
You work directly with our founder & CEO on strategic topics, process optimisation and customer contact. The role is deliberately broad, with a lot of responsibility and a steep learning curve. Typical candidates for this role have what it takes to found a company themselves sooner or later.
Berlin, Germany
Full-time
Strategy
View details
Sales
Account Executive
Public Sector
Account Executive, GovTech (m/f/d)
This role is for people who know public administration well and genuinely value it – but never quite fit in themselves. For people who, even after years in the service, never stopped asking: couldn't this process work just a little bit better?
Berlin, Germany
Full-time
Sales
View details
Key Account Management
Public Sector
AI
Key Account Manager (m/f/d)
You make sure Charly succeeds in every new municipality: from kick-off to stable live operation. After that, you remain the person who knows our customers best, and you bring their voice into the product team.
Berlin, Germany
Full-time
Key Account Management
View details
AI / ML
Senior
Senior AI Systems Engineer (m/f/d)
As Senior AI Systems Engineer, you take end-to-end ownership of AI-powered products – from customer feedback and rapid prototyping to robust production systems serving more than 1.4 million people.
Berlin, Germany
Full-time
Engineering
View details
Leadership
Engineering
AI / ML
Founding Fullstack Engineer (m/f/d)
As Founding Fullstack Engineer, you own the technical vision, architecture and engineering culture behind Charly — the AI phone and chat assistant for German public administrations. Your first mission is to make the platform scale to the next growth phase.
Berlin, Germany
Full-time
Engineering
View details
AI / ML
Voice
PyTorch
Machine Learning Engineer (Voice) (m/f/d)
You own Charly's speech layer: speech-to-text and text-to-speech for German phone calls, fine-tuning and serving on our own EU GPUs, the voice agent's orchestration — and the evals that decide what goes live.
Berlin, Germany
Full-time
Engineering
View details
Frontend
UX
React
Frontend Engineer React / UX (m/f/d)
You own the interfaces municipalities use to run Charly and citizens use to chat with it: dashboard, chat widget and Schreibtisch. React, TypeScript and a strong eye for UX — for people who aren't techies.
Berlin, Germany
Full-time
Engineering
View details
Customer Success
Public Sector
AI
Customer Success Specialist (m/f/d)
You make sure Charly lands well in every municipality: from onboarding and keeping the knowledge base in shape to reviewing real conversations. You are our customers' voice inside the team — and you turn their feedback into better answers.
Berlin, Germany
Full-time
Customer Success
View details
Sales
Business Development
Public Sector
Sales Development Representative (m/f/d)
As SDR, you are the first point of contact between Charly and municipalities. You find the right people in town halls and districts, spark their interest and fill our Account Executives' calendars with qualified demo appointments.
Berlin, Germany
Full-time
Sales
View details
AI / ML
Internship
Thesis
Machine Learning Intern / Working Student / Thesis (Voice / LLM) (m/f/d)
Work on a real problem from our voice and LLM stack — speech recognition on the phone, pronunciation, retrieval or evals. As an internship, a working student job or your thesis. If your result beats the baseline, it goes live.
Berlin, Germany
Internship, working student or thesis
Engineering
View details
Frontend
Internship
Working Student
Intern / Working Student Frontend (m/f/d)
As a Frontend Intern / Working Student, you'll work directly on our live products — building and refining the interfaces that real users interact with daily.
Berlin, Germany
Full-time or part-time
Engineering
View details
No matching position?
We'd also love to receive your open application if you think your profile could be a good fit.
Send us your CV with relevant projects or code samples.
Important note on your application:
To filter out AI-generated applications, please start your cover letter or
message with „Hallo Zaitgeist-Team“.