Applied Machine Learning Researcher
Phonely
San Francisco, Australia
Workplace: RemoteFull timeUSD 150,000 - 180,000 annuallyFunction: Data Science & Machine LearningExperience: 3+ yearsSkills: ["Analytical thinking","Debugging","Communication"]Build and improve production voice AI models by fine-tuning and evaluating LLM behavior for real-time phone conversations. Design rigorous experiments across data, model, and evaluation strategies, create quality and reliability eval frameworks, and analyze real-world conversation failures. Partner with engineering, product, QA, and customer-facing teams to deploy research improvements safely, set eval gates, and advance model release criteria based on measurable production outcomes.

