Head of Voice AI Research / Principal Scientist

About the role

The Head of Voice AI Research leads the AI team responsible for the full technical roadmap of voice AI, reporting directly to the CEO. The client is a conversational AI company serving hundreds of enterprise clients worldwide with significant call processing volume and recent Series B funding. The role focuses on advancing full-duplex speech capabilities and maintaining industry-leading architecture.

Key responsibilities

• Lead the iteration of low-resource ASR models for Southeast Asian and Latin American languages.
• Manage optimisation of large-model post-training frameworks for customer-service scenarios.
• Drive development of low-resource TTS, focusing on expressiveness, prosody and pronunciation accuracy.
• Define and execute a research roadmap for full-duplex speech, including audio-in, audio-out, listen-while-speaking and listen-while-thinking capabilities.
• Track academic and industrial advances in speech LLMs, streaming ASR/TTS and related areas.
• Serve as the company's external technology face at top academic conferences and industry events.
• Own hiring standards and the team's technical development.

Required profile

• Several years of experience in voice AI or deep learning; strong recent PhDs are also considered.
• First-hand understanding of deep learning-based ASR, TTS or speech LLMs, with a proven project leadership track record.
• Fluent in both English and Mandarin, written and spoken.