About this role

Principal AI Engineer – LLM & NLP Fox HR Consulting Kft. Daily tasks: - • Design and develop production-ready NLP and LLM solutions - • Build intelligent systems for text classification, named entity recognition, semantic search, document understanding, and information extraction - • Evaluate, fine-tune, and optimize modern language models - • Design retrieval-augmented generation (RAG) solutions and semantic retrieval architectures - • Work with structured and unstructured business data to improve AI-assisted workflows - • Define model evaluation methodologies, success metrics, and validation standards - • Collaborate with software engineers, data engineers, product managers, and annotation teams throughout the entire development lifecycle - • Research emerging AI technologies and translate promising approaches into practical business solutions Musts: Python, Machine learning, NLP, RAG, retrieval-augmented generation, PhD, Natural language processing, large language models, GraphRag, MLOps PhD in Computer Science, Artificial Intelligence, Machine Learning, Computational Linguistics, Data Science, Applied Mathematics, or a related discipline 5+ years of professional experience in AI, Machine Learning, or Natural Language Processing At least 5 years of practical experience delivering NLP solutions in production environments Strong expertise in Transformer architectures, embeddings, attention mechanisms, fine-tuning, and modern deep learning techniques Hands-on experience with Large Language Models, prompt engineering, model evaluation, and RAG-based applications Solid knowledge of NLP techniques including text classification, information extraction, semantic similarity, text generation, and NER Excellent Python programming skills Strong experience with PyTorch and Hugging Face Transformers Experience with data preparation, annotation workflows, and model performance evaluation Familiarity with SQL and cloud platforms such as Azure or AWS Excellent English communication skills Our international partner is looking for a Principal AI Engineer – LLM & NLP to lead the design and evolution of advanced Natural Language Processing and Large Language Model solutions used in real-world business applications.

This is an expert role for someone who enjoys combining research with hands-on engineering. You will play a key role in developing intelligent language-based systems that improve automation, information extraction, semantic understanding, and AI-driven decision making across enterprise platforms.

Source listing: nofluffjobs_main