Senior Machine Learning Engineer_Linguistics and Speech
Core
Design, develop, and implement Voice AI applications by bringing linguistic and speech expertise to the core Voice Platform (Speech Recognition, Conversation Management, Speech Generation) and owning language support end-to-end.
Role type
Senior Voice AI Engineer (Linguistics & Speech)
Builds
Voice AI applications, language support features, and tooling for analyzing linguistic problems at scale
Domain
AI / Voice Technology / Linguistics
Deliverable
production ML models
Required skills
Phonetics, acoustics, psycholinguistics, cognitive science, large-scale experiment design, quantitative research, Python development, speech recognition evaluation, speech synthesis evaluation, LLM application building, prompt engineering
Preferred skills
Fluency in a language other than English, experience building applications on top of LLMs
Technologies
Python, Claude Code, Cursor, Windsurf
Responsibilities
Contribute to the design, development, and implementation of Voice AI applications; own language support end-to-end including adding new languages and locales; analyze complex speech problems across diverse languages, accents, and dialects; diagnose language and speech failures in production; design linguistic experiments to drive technology choices; build tooling to analyze linguistic problems at scale; mentor colleagues
Seniority
Senior, hands-on IC
