Machine Learning Engineer (Voice) - London
Core
Building AI-native voice agents with long-term memory, speech enhancement, and agentic browser capabilities to assist older adults and families.
Role type
Founding Machine Learning Engineer (Voice)
Builds
Speech-to-speech agents, companions with long-term memory, assistants inside messaging, health biomarker analysis, agentic browser
Domain
AI/ML, Voice AI, Health Tech, Elderly Care
Deliverable
production ML models | product features
Required skills
LLM production experience, AI-native engineering, coding agents usage, voice AI (real-time STT, TTS, speech-to-speech, telephony), speech enhancement, VAD, diarization, TTS tuning for older voices
Preferred skills
Side projects with users, open-source contributions, hackathon wins, rapid prototyping
Technologies
LLMs, Voice AI frameworks, Speech processing tools
Responsibilities
Set engineering standards for testing, review, and deployment; Shape the technical stack; Hire team members; Own broad areas (voice, memory, messaging, biomarkers) and take primary ownership of major surfaces
Seniority
Founding, high-impact IC with company-shaping authority