Senior GenAI & Conversational AI Scientist

MACHINE LEARNING TECHNOLOGIES LLC; Phoenix (AZ); On-site; USD 92,000 - 125,000; Full time

Job summary

MACHINE LEARNING TECHNOLOGIES LLC is seeking a senior Data Scientist to lead GenAI-powered conversational AI initiatives in a Phoenix-based role. You will help design and implement end-to-end IVR/chatbot solutions using Amazon Connect and Lex, drive experiments, and deliver measurable performance improvements.

The right candidate has 10+ years in data science, hands-on GenAI experience, and strong communication to present findings to leadership.

Qualifications

• 10+ years of experience in data science, ML, NLP, or a related field.
• 5+ years of experience building GenAI solutions.
• Hands-on analytics, experimentation, model evaluation, and performance tuning.
• Experience with conversational AI, NLU, chatbot, IVR use cases.
• Familiarity with Amazon Connect and Amazon Lex or comparable platforms.
• Exposure to LLM, GenAI, or modern NLP techniques for intent understanding and conversational AI.
• Ability to ramp up quickly in a delivery-oriented environment.
• Strong written and verbal communication for leadership presentations.

Responsibilities

• Support end-to-end delivery of Agentic conversational AI capabilities for IVR solutions built on Amazon Connect and Amazon Lex.
• Run and interpret experiments related to intent recognition, slot-filling performance, utterance handling, and overall conversational quality.
• Perform hands‑on analysis of interaction data, model outputs, and test results to identify issues and improvement opportunities.
• Tune intent descriptions, training data, prompts, and related NLU assets to improve performance.
• Work closely with the onshore lead to refine slot-filling approach, conversation behavior, and delivery priorities.
• Contribute to evaluation and implementation of LLM- and GenAI-related capabilities for NLU and intent understanding.
• Prepare clear summaries of findings, recommendations, and performance results for leadership and project stakeholders.
• Help drive execution against delivery timelines by identifying risks, resolving issues, and maintaining strong analytical rigor.

Skills

10+ yrs DS/ML

GenAI solutions

Analytics

Experimentation

Model evaluation

Performance tuning

Conversational AI

NLU

IVR

Amazon Connect/Lex

GenAI/NLP

Communication

Delivery focus

Job description

MACHINE LEARNING TECHNOLOGIES LLC is seeking a senior Data Scientist to lead GenAI-powered conversational AI initiatives in a Phoenix-based role. You will help design and implement end-to-end IVR/chatbot solutions using Amazon Connect and Lex, drive experiments, and deliver measurable performance improvements.

The right candidate has 10+ years in data science, hands-on GenAI experience, and strong communication to present findings to leadership.