Product Engineer

ABOUT THE ROLE Join a small team building AI-powered voice and customer communication products. You will own features from concept through production, helping make AI agents more capable, reliable, and useful across customer workflows. WHAT YOU'LL DO - Build product experiences that help configure agents, troubleshoot issues, connect external systems, and surface useful answers. - Develop and optimize voice agents for speed, reliability, and quality. - Extend agent interactions across calls, messaging, and email, with shared memory and state. - Build memory systems that support reasoning across customer workflows. - Improve observability and tracing so teams can understand and resolve agent failures. - Help agents select the right communication channel for each interaction. WHAT WE'RE LOOKING FOR - At least 3 years of professional software engineering experience, including production ownership of distributed systems. - Production backend experience with Python, FastAPI, or TypeScript, plus product development across frontend and backend. - Strong software fundamentals, product judgment, and a bias toward action and measurable business outcomes. - Experience with real-time audio or voice infrastructure, AI agents or LLMs, and asynchronous or event-driven systems with complex state. - Production experience with PostgreSQL, Redis, or similar data stores, and cloud infrastructure such as AWS, GCP, or Azure. - Technology includes TypeScript, React, Vite, TanStack, Node.js, Python, FastAPI, PostgreSQL, Redis, Temporal, and AWS. - Experience with workflow orchestration, communication integrations, or observability tools is useful. COMPENSATION & BENEFITS €85,000 to €160,000 annually, plus equity. Visa sponsorship is available. LOCATION On-site in Berlin, Germany. Relocation support is available.