NLP courses are in high demand because they provide ways for processing and analyzing human language. NLP courses from universities such as Stanford University are available on platforms such as Coursera.
Machine learning and deep learning courses on neural networks, reinforcement learning, and natural language processing are valuable.
For finance-related careers, data science and quantitative finance or econometrics courses can be helpful.
Courses on time series analysis and forecasting can help with financial modeling and demand forecasts. These courses are available on Udacity and DataCamp.