Senior GenAI & Conversational AI Scientist

Ethereum Technologies LLC; Phoenix (AZ); On-site; USD 180,000 - 260,000; Full time

Job summary

Ethereum Technologies in Phoenix seeks a senior expert in data science and GenAI to lead the development of conversational AI capabilities for IVR and chat workflows.

You will design experiments, evaluate models, and tune NLU assets using Amazon Connect/Lex, LLMs, and modern NLP techniques. Strong communication and delivery focus are essential to align with leadership and stakeholders.

Qualifications

• 10+ years in data science, ML, NLP or related field.
• 5+ years building GenAI solutions.
• Hands-on analytics, experimentation, model evaluation, tuning.
• Experience with conversational AI, NLU, chatbot, IVR.
• Familiar with Amazon Connect and Amazon Lex or equivalent.
• Exposure to LLM/GenAI / NLP for intent understanding.
• Ability to deliver value quickly in a delivery-focused environment.
• Strong written and verbal communication; present to leaders.

Responsibilities

• Support end-to-end delivery of Agentic conversational AI on IVR with Amazon Connect/Lex.
• Run and interpret experiments on intent recognition, slot-filling, utterance handling.
• Analyze interaction data, model outputs, test results to identify issues.
• Tune intents, training data, prompts, and NLU assets to improve performance.
• Collaborate with onshore lead to refine slot-filling and conversation behavior.
• Contribute to evaluation/implementation of GenAI capabilities for NLU.
• Prepare summaries of findings and performance for leadership.
• Support timely delivery by identifying risks and maintaining rigor.

Skills

Data science

GenAI experience

Analytics & evaluation

Conversational AI

Amazon Connect/Lex

LLM / GenAI techniques

Delivery mindset

Communication skills

Tools

Amazon Connect

Amazon Lex

Job description

Ethereum Technologies in Phoenix seeks a senior expert in data science and GenAI to lead the development of conversational AI capabilities for IVR and chat workflows.

You will design experiments, evaluate models, and tune NLU assets using Amazon Connect/Lex, LLMs, and modern NLP techniques. Strong communication and delivery focus are essential to align with leadership and stakeholders.