A Core NLP (Natural Language Processing) developer works on algorithms that allow computers to understand, interpret, and manipulate human language. They develop and implement models for language processing, often using machine learning techniques. Their tasks include text analysis, sentiment analysis, speech recognition, and language generation. They work with complex datasets, often employing data mining and statistical methods. They also need to stay knowledgeable about the latest AI and NLP trends. Their work is crucial in various fields, such as chatbots, voice assistants, and text-based data analysis. Strong programming skills, particularly in languages like Python, and a deep understanding of linguistics are essential.