Senior Machine Learning Scientist – LLM, Voice
Posted 2026-05-06
Remote, USA
Full-time
Immediate Start
- Job Description:
- Bridge research and production, building AI models and agent systems that ship into real products.
- Architect, evaluate, and optimize autonomous voice and digital agents powering 10M+ customer interactions per month across West Africa.
- Build for the hardest edge cases: poor connectivity, low literacy, and languages with little training data.
- Experiment with, evaluate, and integrate the latest voice and text models.
- Own problems end-to-end, from problem discovery to running in production, working alongside product and engineering leaders who prioritize shipping real customer impact.
- Requirements:
- 5+ years of experience in AI/ML engineering
- Strong Python and backend engineering skills
- Solid foundation in statistics and ML theory
- Proven hands-on experience building with LLMs (prompt engineering, RAG, embeddings, fine-tuning, agent orchestration etc.).
- Track record taking ML models from prototype to production and care deeply about reliability, performance, and scalability.
- Fluency with AI coding agents, with bonus points for deploying them as part of production systems
- Bonus points:
- Research background in speech or LLMs
- Proven Voice AI experience (ASR, TTS, latency optimization, real-time streaming, voice agents)
- Experience building customer support or conversational AI systems
- You follow the latest research in speech and LLMs, and know how to translate papers into production wins
- Familiarity with low-resource language challenges
- Fluent in English (bilingual in French is a big bonus!).
- Benefits:
- Subsidized health insurance for you and your dependents and retirement contributions (both vary from country to country).
- 6 months of fully paid parental leave and subsidized fertility assistance.
- Flexible vacation, with most folks taking between 21-30 days exclusive of statutory holidays.
- $10,000 annual charitable donation matching.