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.