Data Scientist/AI Trainer at five9

This mid-level role is ideal for a Data Scientist with a strong academic background in HCI, Linguistics, or Computer Science who wants to move into a customer-facing, "AI Trainer" capacity. You’ll thrive here if you enjoy the intersection of high-level Python development and the linguistic nuances of Conversational AI—specifically focusing on STT/TTS and LLM optimization. The position offers excellent geographic flexibility as a fully remote role (unless you live near San Ramon, CA) and a broad salary range of $60k–$150k based on experience. Standout perks include 100% employer-paid health premiums for employees, a generous stock purchase plan, and 12 weeks of paid parental leave, making it a very stable choice for those seeking long-term benefits. **You might be a good fit if you...** * Have a Master’s degree and professional experience with Python and ML libraries (Scikit-learn, PyTorch, or TensorFlow). * Are skilled in prompt engineering and evaluating LLM outputs for accuracy and "human" naturalness. * Enjoy collaborating directly with clients to translate technical requirements into conversational bot solutions (e.g., Lex, Watson, or Dialogflow). * Are fluent in Spanish or Portuguese (a major plus for this multilingual role).