An NLP engineer should have a mix of technical and soft skills. Technically, they need to be adept in programming languages, understand data structures and algorithms, have experience with databases, be familiar with version control systems, and possess knowledge in software testing and debugging. On the soft skills front, effective communication is key for collaboration with clients and team members. Strong problem-solving abilities are crucial for identifying and resolving issues. Time management is vital for meeting project deadlines, while a keen attention to detail ensures minor issues are addressed promptly. Additionally, adaptability is important to stay abreast of the constantly evolving tech landscape and changing project requirements.