Speech ML Scientist - TTS & Voice AI (Remote)

Rime; San Francisco (CA); Hybrid; USD 180,000 - 240,000; Full time

Benefits offered by this job

Remote-friendly

Visa sponsorship available

Equity upside

Access to a studio-quality corpus

Job summary

Rime is building voice AI for enterprises with scalable customer experiences. We seek a Machine Learning Scientist to push the frontier of speech synthesis and understanding, training and evaluating advanced models and collaborating with linguists to ensure frontend choices reinforce modeling decisions.

The role offers remote-friendly work, visa sponsorship, and meaningful equity upside, with ownership and high standards to move fast and impact product trajectory.

Qualifications

• PhD or equivalent research experience in speech, audio, ML, or computational linguistics.
• Strong PyTorch fundamentals; training loops and distributed training.
• Hands-on training with neural codecs and multiple representation choices.
• Experience with full- or half-duplex multi-modal modeling.

Responsibilities

• Design, train, and evaluate speech synthesis models, autoregressive and non-autoregressive.
• Drive research on full-duplex and half-duplex multi-modal architectures, including unified S2S systems.
• Choose and iterate on speech representations: neural codecs, semantic tokens, mel features, continuous latents.
• Build rigorous evaluation, objective and perceptual metrics; ensure quality and prosodic control.
• Collaborate with linguists on TTS frontend behavior so modeling and frontend choices reinforce each other.

Education

PhD or equivalent research experience in speech, audio, ML, or computational linguistics

Job description

Rime is building voice AI for enterprises with scalable customer experiences. We seek a Machine Learning Scientist to push the frontier of speech synthesis and understanding, training and evaluating advanced models and collaborating with linguists to ensure frontend choices reinforce modeling decisions.

The role offers remote-friendly work, visa sponsorship, and meaningful equity upside, with ownership and high standards to move fast and impact product trajectory.