Clera
Software Engineer, Voice AI / Backend
Berlin. Posted 12 days ago
The role
You will build voice AI systems including retrieval-augmented generation and dynamic model routing. You will design distributed call schedulers and extend agents across voice, messaging, and email.
What you will do
- Build reliable voice AI systems including retrieval-augmented generation, dynamic model routing, and evaluation of transcription systems
- Design and operate a distributed call scheduler
- Extend agents across voice, messaging, and email
- Develop memory and reasoning systems that preserve context through customer workflows
- Build AI-assisted tools for configuring agents, diagnosing issues, and connecting to business systems
- Improve observability and resilience
Required qualifications
- Production experience building and owning distributed systems
- Track record of shipping product software and delivering projects end-to-end
- Strong software fundamentals
- Experience with Python, FastAPI, or TypeScript in production systems
- Experience with real-time systems, audio processing, or voice infrastructure
- Experience with production LLM, AI model, or agentic systems
- Experience with PostgreSQL, Redis, or similar data stores
- Experience with cloud infrastructure on AWS, GCP, or Azure
- Ability to design or debug systems involving concurrency, load balancing, and fault tolerance
- Independent, action-oriented approach
- Sound judgment about code quality and reliability
- Focus on team and customer outcomes
Nice to have
- Familiarity with tools such as LiveKit, Temporal, message queues, workflow orchestration, React, and observability platforms
Benefits
- Visa sponsorship is available
- Relocation support is offered
About the company
clera is a small, fast-moving engineering team building voice AI agents for customer-facing workflows.