Senior Lead AI-NLP Engineer

Senior Lead AI-NLP Engineer

NTT DATA strives to hire exceptional, innovative and passionate individuals who want to grow with us. If you want to be part of an inclusive, adaptable, and forward-thinking organization, apply now. We are currently seeking a Senior Lead AI-NLP Engineer to join our team in Irving, Texas (US-TX), United States (US).

Day To Day Job Duties

• 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.

Basic Qualifications

• 7+ years of experience overall
• 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.
• Additional Qualifications:
• 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

NTT DATA is a $30 billion trusted global innovator of business and technology services. We serve 75% of the Fortune Global 100 and are committed to helping clients innovate, optimize and transform for long term success. As a Global Top Employer, we have diverse experts in more than 50 countries and a robust partner ecosystem of established and start-up companies. Our services include business and technology consulting, data and artificial intelligence, industry solutions, as well as the development, implementation and management of applications, infrastructure and connectivity. We are one of the leading providers of digital and AI infrastructure in the world. NTT DATA is a part of NTT Group, which invests over $3.6 billion each year in R&D to help organizations and society move confidently and sustainably into the digital future.