• Conversational AI Developer

    NTT America, Inc. (Irving, TX)


    **Req ID:** 331906

     

    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 Conversational AI Developer to join our team in Irving, Texas (US-TX), United States (US).

     

    This role involves designing, developing, and deploying intelligent virtual assistants and chatbots across customer-facing and enterprise workflows. You will work closely with product, data science, and engineering teams to build natural, context-aware, multi-turn conversation flows using cutting-edge LLMs, NLU/NLG models, and retrieval-augmented generation (RAG) architectures. This position requires candidates to be onsite 3-5 days a week in Irving, Texas.

    Key Responsibilities:

    - Design, build, and deploy LLM-powered conversational experiences for web, mobile, and enterprise apps.

     

    - Implement and optimize NLU/NLG models (using Hugging Face, spaCy, Rasa, etc.) for intent recognition, entity extraction, and dialogue act prediction.

     

    - Integrate RAG pipelines (LangChain, LlamaIndex, or custom orchestration) to power context-aware conversations using enterprise knowledge bases.

     

    - Build custom agents using frameworks like LangChain, DSPy, or Crew AI with tool integration, memory, and multi-step reasoning.

     

    - Develop, fine-tune, or prompt-engineer LLMs (GPT, LLaMA, Claude, etc.) for domain-specific understanding and response generation.

     

    - Design robust fallback, escalation, and intent disambiguation strategies to ensure resilient dialogues.

     

    - Collaborate with front-end/backend teams to integrate bots into products using APIs, FastAPI, Flask, or GraphQL.

     

    - Monitor and improve assistant performance using conversation analytics, A/B testing, and user feedback loops.

    Required Skills & Experience:

    - 3+ years of experience building conversational interfaces or NLP systems.

     

    - 3+ years hands-on experience with Python and frameworks such as LangChain, DSPy, Rasa, BotPress, Dialogflow CX/ES, Microsoft Bot Framework, or Watson Assistant.

     

    - 1+ years of experience with LLMs (OpenAI, Cohere, Anthropic, Mistral, etc.), prompt engineering, and few-shot learning.

     

    \#LI-NorthAmerica

     

    About NTT DATA

     

    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. Visit us at us.nttdata.com (http://us.nttdata.com/en)

     

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