Research Scientist, Voice AI — Shape production-ready models

Mixpeek; San Francisco (CA); On-site; USD 150,000 - 210,000; Full time

Benefits offered by this job

Publications in top venues

Generative modeling experience

RLHF familiarity

Former founder

Job summary

Phonic in San Francisco seeks a Research Scientist to drive original research that pushes the boundary of voice AI. You’ll own research directions end‑to‑end – from identifying the right problems to designing experiments, developing novel methods, and seeing results through to production impact.

Your work will directly shape the models at the core of Phonic's product. You'll be working alongside a team of world‑class researchers and engineers who move fast and hold a high bar.

Qualifications

• A track record of original research – you've found a real problem, developed a novel approach, and seen it through.
• Deep expertise in at least one of: speech synthesis, ASR, audio modeling, language modeling, or multimodal learning.
• Fluency in the math, probability, optimization, linear algebra, and the ability to reason about model behavior from first principles.
• You move fluidly between ideas and implementation; you don't just write papers, you build things.
• Clear, precise written and verbal communication.

Responsibilities

• Identify high-leverage research problems across the voice AI stack: synthesis, modeling, alignment, perception, and take full ownership of driving them forward
• Design and run rigorous experiments, then translate what works into shipped improvements to our models and product
• Work directly with research engineers to move fast from prototype to production
• Help set the scientific direction of the team and raise the bar on how we do research

Skills

Original research

Speech synthesis

ASR

Audio modeling

Language modeling

Multimodal learning

Clear communication

Job description

Phonic in San Francisco seeks a Research Scientist to drive original research that pushes the boundary of voice AI. You’ll own research directions end‑to‑end – from identifying the right problems to designing experiments, developing novel methods, and seeing results through to production impact.

Your work will directly shape the models at the core of Phonic's product. You'll be working alongside a team of world‑class researchers and engineers who move fast and hold a high bar.