Clera

Senior Software Engineer, Voice AI / Backend

Clera
Apply
3 hours ago
Berlin, GermanySenior

Responsibilities

  • Build reliable voice AI systems using retrieval-augmented generation, dynamic language-model routing, and new transcription systems.
  • Design and operate distributed call scheduling systems handling concurrency, time zones, retries, provider limits, and failure recovery.
  • Extend agents across voice and other communication channels while maintaining shared context.
  • Develop memory and reasoning systems for customer workflows.
  • Build tools that configure agents, diagnose issues, and connect with CRM systems, calendars, and email.
  • Improve tracing and observability for production issue diagnosis and resolution.

Requirements

  • Production experience building and owning distributed systems with strong software fundamentals and end-to-end project delivery.
  • Experience as a product engineer building customer-facing systems rather than working exclusively in machine learning or data roles.
  • Production experience with Python, FastAPI, or TypeScript and PostgreSQL, Redis, or similar data stores.
  • Experience with real-time systems, audio processing, voice infrastructure, concurrency, and fault tolerance.
  • Production experience with language models, AI agents, or similar systems.
  • Experience with cloud infrastructure such as AWS, GCP, or Azure.
  • Familiarity with LiveKit, Temporal, message queues, React, and OpenTelemetry is useful.
  • An independent, action-oriented approach with sound judgment about code quality, reliability, and business outcomes.

Benefits

  • Annual compensation of €85,000 to €160,000 plus equity.
  • Visa sponsorship is available.
  • On-site work in Berlin, Germany.
  • Relocation support is available.
Contact me