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NTT DATA Logo NTT DATA · IT - Software Development

Senior Lead AI-NLP Engineer

United States, Irving · Job Posted April 23, 2026
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Job Description

We are currently seeking a Senior Lead AI-NLP Engineer to join our team in Irving, Texas (US-TX), United States (US). Do you find yourself seeking the next big challenge? Step into a role where you are responsible for managing to goals and expectations; one where you are able to see the finish line – and truly be part of the broad team’s success in reaching it! Our Company NTT DATA Corporation is a top 10 global services company and part of the NTT Group, a Fortune 29 telecommunications and services company based in Japan. We operate with 60,000 professionals in 36 countries. Every day around the world we help clients explore new ways to respond to market dynamics with flexibility and speed, reduce costs with less risk, and increase productivity to enable growth.

Job Responsibility

  • Design, build, and deploy NLP models for intent classification, NER, and sentiment analysis using both traditional methods (BiLSTM, TF-IDF) and modern frameworks
  • Implement and optimize Large Language Models (LLMs) and Generative AI to improve dialogue management and agent capability
  • Lead the development and optimization of conversational systems using Rasa NLU
  • Drive end-to-end development from POC to production-ready systems, including deploying models via API
  • Lead design reviews, define technical standards, and mentor junior engineers
  • Establish evaluation frameworks to measure model quality, accuracy, and safety

Requirements

  • 7+ years of experience
  • 5+ Years of experience in Python (5–6+ years), including Object-Oriented Programming and writing clean, testable code
  • 3+ Years of hands-on experience with BiLSTM, TF-IDF classifiers, and word embeddings (Word2Vec, GloVe)
  • 2+ Years of experience working in Rasa NLU and Rasa Core

Nice to have

  • Experience with Hugging Face Transformers, LangChain, or LLM-based RAG (Retrieval-Augmented Generation)
  • Strong experience in ML Frameworks: PyTorch or TensorFlow
  • Experience in Cloud & DevOps: Docker, AWS/GCP, and CI/CD Pipeline
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