A Microsoft VB (Visual Basic) developer designs and implements user-friendly applications using VB.NET programming language. They write efficient code, debug software, and ensure seamless integration with existing systems. They're responsible for maintaining code quality, organization, and automation. They develop and deploy software solutions, often working on various aspects of the software development cycle including requirement analysis, design, coding, testing, documentation, and support. They also collaborate with other team members to design optimal solutions and troubleshoot issues. Moreover, they keep themselves updated with new technologies for continuous improvement. Their work aids in enhancing the functionality and performance of applications.