Principal Research & Engineering, Realtime Voice AI

📋 Description Define the roadmap for Inflection's realtime Voice AI stack (ASR, TTS). Use a 1000-GPU cluster for benchmarking and experiments. Decide build-vs-buy-vs-train for core audio and realtime components. Lead research on speech quality, naturalness, and production readiness. Collaborate with infra, product, design, and agentic AI teams to deploy voice agents. Develop evaluation systems for voice quality beyond standard metrics. 🎯 Requirements Lead or serve as principal contributor in realtime voice or conversational AI in production. Experience with streaming ASR, TTS, speech-to-speech, LLMs, barge-in, or low-latency inference. Strong technical judgment in speech modeling and production systems. Define voice quality by user outcomes, not just offline metrics. Experience designing evaluation systems for real user experience. Bachelor's degree or equivalent in a related field. 🎁 Benefits Diverse medical, dental and vision options 401k matching program Unlimited paid time off Parental leave and flexibility for all parents and caregivers Support of country-specific visa needs for international employees living in the Bay Area