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A software engineer is an IT professional who develops the fundamental concepts that exist within the software life cycle. Software must go through a cycle of repeating phases (like many other products or services) before it is finalized and put on the market. Software engineering is the application of a quantifiable and systematic approach to the design, creation, development and maintenance of software. The software engineering process involves the structured set of activities required to develop a software system, such as design, specification, evolution and validation.
As more systems and processes become software-oriented or controlled, the engineering aspect of these systems plays a big role in an organization's budget, time, operation and performance. Even the economies of many developed and advanced nations have become dependent on software. The methods, theories and tools used during this development are the foundation of software engineering.
Because of the constant advancements made in technology, there is a need to advance and maintain software compatibility. Software engineers play a key role in this by making the necessary adjustments to software systems and processes based on users' needs. Software engineers design, create, maintain and test software changes or updates.
Many software engineers expand their knowledge by keeping up with the latest trends and by completing the latest computer software engineering certification tests or courses. Some of the common certifications include: