We are tech transformation specialists, uniting human expertise with AI to create scalable tech solutions. With over 6,500 CI&Ters; worldwide, we have built partnerships with more than 1,000 clients over 30 years. Artificial Intelligence is our reality. We are seeking a highly skilled Senior Data Scientist with a focus on Natural Language Processing (NLP) to drive AI initiatives within the American health industry. This role involves developing agentic intelligence systems, building Retrieval-Augmented Generation (RAG) frameworks, and creating ontologies to enhance business outcomes through advanced data-driven insights. Responsibilities: Conduct thorough data exploration to validate NLP requirements and ensure data quality. Perform NLP pre-processing tasks, including tokenization, lexical, syntactic, semantic, and pragmatic analysis. Define and implement NLP models aligned with business outcomes. Contribute to building agentic intelligence systems and RAG frameworks. Develop and manage ontologies for effective data utilization and understanding. Train and validate models through rigorous experimentation. Document development processes and results for stakeholders. Engage in text classification and sentiment analysis using traditional and deep learning models. Continuously evaluate and improve NLP model performance. Requirements: Experience as a Data Scientist, especially in NLP projects. Proficiency in Python and libraries like NLTK, spaCy, Gensim. Knowledge of NLP techniques such as Topic Extraction, Summarization, Categorization, Sentiment Analysis. Experience with sequence-to-sequence models, topic modeling techniques like LDA and NMF. Understanding of the entire data science pipeline and validation techniques. Awareness of ethical considerations in NLP. Strong problem-solving, creativity, and communication skills. Experience with international projects and cross-functional collaboration. Nice to Have: Experience with Databricks, Transformers, BERT, NER. Background in data engineering and MLOps, Azure ML, Azure DevOps. Knowledge of data protection regulations like PII, CCPA, HIPAA. CI&T; is an equal-opportunity employer committed to diversity and inclusion. We encourage candidates from all backgrounds to apply. Our benefits include healthcare, meal vouchers, parental leave, mobile subsidy, insurance, CI&T; University, holidays, paid vacations, and more. #J-18808-Ljbffr