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Senior Lead AI-NLP Engineer

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NTT DATA

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Location:
United States , Irving

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Contract Type:
Not provided

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Salary:

Not provided

Job Description:

The Senior Lead AI-NLP Engineer will be responsible for designing and deploying advanced NLP models and conversational systems. This role requires a minimum of 7 years of experience, with a strong focus on Python and NLP technologies. The ideal candidate will lead the development of innovative AI solutions, mentor junior engineers, and establish evaluation frameworks to ensure model quality. This position offers a hybrid work model and the opportunity to work with cutting-edge technologies in a dynamic environment.

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:

  • Minimum of 7 years of experience
  • 5+ Years of experience in Python, 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
  • 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
  • Must be able to work on-site in a hybrid model

Additional Information:

Job Posted:
February 05, 2026

Work Type:
Hybrid work
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