Machine Learning Engineer, Voice

About the Company

Speak is building a human-level, AI-powered tutor that provides a conversation-first experience for language learners. With over $150m raised from investors like OpenAI and Accel, Speak is a leading AI company serving learners across 15+ languages globally.

Responsibilities

• Train and deploy ASR models end-to-end, including monitoring, performance tracking, and retraining
• Improve pronunciation models to provide precise feedback within the learning app
• Create metrics to measure ASR performance across various tasks and languages
• Expand ASR systems to new languages and markets
• Build and maintain data infrastructure, including training/evaluation datasets and labeling pipelines

Requirements

• Extensive experience training large models on GPUs
• Experience deploying custom deep learning models
• Proficiency in Python and PyTorch
• Demonstrated experience owning ML pipelines from POC to production
• Strong communication skills for explaining complex ML concepts to non-technical stakeholders
• Sharp product sense regarding model quality and user experience

Preferred Qualifications

• Experience with speech or audio processing