Senior software engineer

Primary duties: Senior software engineers apply their knowledge of mathematics and computer science to create and improve new software. They may work on enterprise applications, operating systems and network control systems, which are all examples of software that businesses use to scale their IT infrastructure. These professionals often lead a team of developers to build new software applications.

Requirements: Most professionals need both a bachelor' s and a master' s degree to become experts in software development and maintenance. Previous experience as a software engineer is also necessary for most positions.Related: What Is Software Engineering? Complete Guide