3 days ago
Berlin, GermanySenior
Responsibilities
- Build reliable voice AI systems using retrieval-augmented generation, dynamic model routing, and transcription-system evaluation.
- Design and operate a distributed call scheduler that manages concurrency, race conditions, time zones, retries, and provider limits.
- Extend agents across voice, messaging, and email while maintaining shared memory and state across real-time and asynchronous conversations.
- Develop memory and reasoning systems that preserve context through customer workflows.
- Build AI-assisted tools for agent configuration, issue diagnosis, and connections to CRMs, calendars, and email systems.
- Improve observability, fault tracing, resilience, and graceful recovery when calls, workers, or providers fail.
Requirements
- Production experience building and owning distributed systems and shipping product software end-to-end.
- Strong software fundamentals and production experience with Python, FastAPI, or TypeScript.
- Experience with real-time systems, audio processing, or voice infrastructure, plus production LLM, AI model, or agentic systems.
- Experience with PostgreSQL, Redis, or similar data stores and cloud infrastructure on AWS, GCP, or Azure.
- Ability to design or debug systems involving concurrency, load balancing, and fault tolerance.
- Familiarity with LiveKit, Temporal, message queues, workflow orchestration, React, and observability platforms is valuable.
- Independent, action-oriented approach with sound judgment about code quality and reliability and a focus on team and customer outcomes.
Benefits
- €85,000 to €160,000 annually plus equity.
- Visa sponsorship is available.
- Relocation support is offered.
- On-site work in Berlin, Germany.