AI Engineer - Germany (Fluent German, C2 or Native-Level)
OnHires
Berlin, Germany
26 days ago
Role details
Contract type
Permanent contract Employment type
Full-time (> 32 hours) Working hours
Regular working hours Languages
English, German Experience level
SeniorJob location
Berlin, Germany
Tech stack
Java
API
Artificial Intelligence
Software as a Service
Customer Interaction Management (Software)
Python
Node.js
Software Systems
Systems Integration
Twilio
WebRTC
Genesys
Large Language Models
Backend
Api Design
Go
Microservices
Job description
We're looking for a hands-on AI Engineer (Backend) to help design, build, and deploy AI-driven voice and chat agents for enterprise clients. You'll work on backend architecture, integrations, and real-time conversational systems that bring LLM technology into production environments.
Responsibilities
- Build and integrate AI voice/chat agents into enterprise platforms.
- Design backend services and APIs for large-scale, high-availability systems.
- Collaborate with customer teams on implementation and rollout.
- Optimize performance metrics (latency, containment, call quality).
- Work closely with AI, product, and infrastructure teams.
Requirements
Do you have experience in SaaS?, Do you have a Master's degree?, * 2-6 years of experience as a backend or software engineer.
- Proven experience with API design, integrations, microservices, or SaaS.
- Solid knowledge of Python, Go, Node.js, or Java.
- Experience with AI / LLM / conversational systems is an advantage.
- Familiarity with voice or contact center technologies (ASR, TTS, SIP/WebRTC, Twilio, Genesys, NICE, Avaya) is a strong plus.
- Experience delivering enterprise-grade software solutions.
- Fluent German (C2 or native-level) and strong English communication skills.
- Proactive mindset, focus on quality, and collaborative approach.
Benefits & conditions
- Competitive compensation and equity participation.
- Work alongside engineers from leading global tech companies.
- Early access to advanced AI and cloud technologies.
- Dynamic environment with autonomy and professional growth.
- Remote for now, transitioning to an office-first setup as the German hub expands.
About the company
Our client is redefining enterprise customer support by combining cutting-edge AI with local market expertise. Backed by a record-breaking $34M seed round from top-tier investors, the company is scaling rapidly across Europe. Their AI agents are already deployed by major telecom, banking, and healthcare organizations - transforming customer experience and reducing operational costs.