1, data analyst: data analyst is one of the most sought after careers in the big data industry. Data analysts need to be familiar with data analysis tools and technologies, such as SQL, Python, R, etc., and have good data interpretation skills and creative thinking.

2. Data Engineer: In the big data industry, data engineers are key players in designing and building large-scale data processing systems. Responsible for building and maintaining data pipeline, collecting, cleaning, transforming and storing massive data from different sources into target data warehouse or data lake.

3. Machine Learning Engineer: Machine Learning Engineer is an emerging career in the big data industry. Using the techniques of machine learning and artificial intelligence to build intelligent algorithmic models for data analysis, prediction, and decision making.