Difference between system analyst and business analyst

The role of a business analyst and system analyst is different. 

System analyst is a person who must have good technical knowledge. The system analyst is responsible for converting the business requirement into technical solution. The system analyst acts as an intermediate between the business and the IT project. The system analysts communicate and provide the solution to the developers. They are responsible for troubleshooting and resolve the problem. 

Business analyst is a person who must have good business knowledge. The business analyst is responsible for getting the requirement and documenting the requirement. BA must have domain knowledge and must have experience in IT projects.  

Both the system analyst and business analyst play an important role in the software development life cycle. The person who does the job of both business analysis and system analysis are called as Business System Analyst or Technical Business Analyst.