Head of Voice AI Research/Principal Research Scientist Oct 06, 2026

Job Description

About the Role

About the Role
AI Rudder has always focused on the Voice AI direction. Our team’s next goal is not only to push our existing cascaded architecture ahead of top competitors, but also to take the end-to-end full-duplex speech model from paper to production. We are looking for the AI team lead, reporting directly to the CEO, to own the full technical roadmap from the current stack to the next-generation full-duplex model. In the short term, you will lead the team to make our existing architecture category-leading. In the long term, you will drive the full-duplex model into production. This role combines scope and decision-making authority. You decide how the team splits time between commercial delivery and frontier research, and you are directly accountable for the technical roadmap, talent bar, and external technology brand. What You’ll Do What You’ll Do 1. Own and drive the Voice AI stack into its next phase
- Own iteration of low-resource ASR models for Southeast Asian and Latin American languages, ensuring accuracy and real-world scenario coverage lead the market
- Build and optimize our large-model post-training framework, lifting task completion rates and multi-turn stability in customer-service scenarios
- Push low-resource TTS past the bar set by 11 Labs and other category leaders, across expressiveness, prosody naturalness, and pronunciation accuracy
- Partner tightly with Product and Applied teams to translate technical metrics into business outcomes customers can feel 2. Define and execute the long-term research roadmap for full-duplex speech
- Define and execute the technical roadmap for full-duplex speech, covering audio-in / audio-out, listen-while-speaking,



and listen-while-thinking capabilities
- Track and bring in the latest academic and industry advances in speech LLMs, streaming ASR/TTS, and adjacent areas
- Serve as the team’s external technology face at top academic conferences and industry events, raising AI Rudder’s profile in the voice AI community; in parallel, own the team’s hiring bar and technical ladder to attract and retain top voice AI talent Requirements What You Bring What You Bring Must-have
- Several years of experience in voice AI / deep learning (open to strong fresh PhDs with relevant project work)
- First-hand understanding and execution in deep learning-based ASR, TTS, or speech LLMs, with a track record of independently leading projects
- Fluent business-level English and Mandarin, written and spoken, usable as working languages Nice to have
- Deep, sustained experience in the voice AI track, with end-to-end project depth across ASR, TTS, voice conversion, speech LLMs, or similar
- Voice AI experience at top AI companies (ByteDance Doubao Seed, Alibaba Qwen, Tencent Hunyuan, etc.), top university labs (X-lance, Moss, etc.), or as a tech lead / CTO / founding member at a Voice AI startup
- Recognized technical influence in the voice AI community — through representative papers, top-conference talks, open-source projects, or landmark production deployments About AI Rudder AI Rudder is an AI product company transforming how business communicate to their customers.



We launched in 2019 with one of the world’s first enterprise-grade AI voice agents: built to hold real, intelligent conversations, not just play back scripts. Today, we serve over 500 enterprises across 20+ countries, processing 50 million calls every day and having delivered more than 8 billion calls to date. Our customers range from fast-growing startups to large enterprises. When AI talks to people, it has to feel human. That’s what we build. How We Work AI-first: AI isn’t a tool we reach for. It’s the default we start from. Every team, every workflow: AI-first. Global Collaboration: We operate globally and work as one team. Distance is a logistics problem, not a cultural one. We build the habits that make distributed teams actually work Communication Principle: Simple, Trust, Transparent. We remove unnecessary complexity so people can focus on what matters most.

What We Offer
- Learning & Development: Continuous learning through real projects, knowledge sharing session, mentorship, and cross-functional collaboration.
- Performance Recognition: Regular performance reviews, feedback, and opportunities for career progression.
- Global Exposure: Collaborate with international teams, general rotations and work with global enterprise customers.
- Meaningful Impact: Build AI solutions that create real value for businesses around the world.
- Ownership & Autonomy: Freedom to take initiative and drive outcomes.
- Team Engagement: Team Building, Local & Global Gatherings & Local Events Celebration AI Rudder is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees and applicants. AI Rudder is proud to announce that its F

📌 Head of Voice AI Research/Principal Research Scientist Arauca, Colombia | AI | 2 weeks ago →
🏢 AI Rudder Pte
📍 Arauca