This is a high-ownership product engineering role at a seed-stage AI voice platform, where you will build and ship features end-to-end on a small, fast-moving team. You will work across applied AI products, agent configuration experiences, integrations, and the systems that power them, with direct impact on real customer outcomes.
Build an AI coworker that configures agents, debugs issues, connects to external systems like CRMs, calendars, and email, and delivers direct answers in place of dashboards.
Build and optimize voice agents for speed, reliability, and quality at scale.
Extend agent capabilities to multi-channel interactions including calls, WhatsApp, and email with shared memory and state.
Develop memory systems that enable agents to reason across entire customer flows.
Build observability and tracing tooling to make every degraded interaction easy to understand and debug.
Implement channel-routing logic so agents select the right communication channel for each situation.
Production experience building and owning product features and the distributed systems behind them.
Proficiency in Python, FastAPI, and/or TypeScript in backend production environments.
Experience with real-time audio systems or voice infrastructure.
Hands-on experience with PostgreSQL, Redis, or similar data stores in production.
Experience building with LLMs, AI agents, or agentic systems in production.
Experience building asynchronous or event-driven systems with complex state management.
Familiarity with cloud infrastructure on AWS, GCP, or Azure.
Strong software fundamentals across frontend and backend; comfortable picking up unfamiliar domains quickly.
Bias toward action, strong product sense, and focus on business outcomes over technology for its own sake.
Nice to have: experience with Temporal or other workflow orchestration tools, multi-channel communication integrations, observability tools such as OpenTelemetry or Honeycomb, or React frontends with TanStack.
Salary range: EUR 85,000 to EUR 160,000 per year, plus equity. Visa sponsorship is available.
On-site in Berlin, Germany. Relocation support is available.
Job details are sourced from the employer's original posting.
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