An IT Development Developer designs, tests, and maintains software systems. They collaborate with clients to understand their software needs, develop programs that serve these needs, and troubleshoot any issues that arise. They use programming languages such as Java, C++, and Python, and they work with databases, operating systems, and internet applications. They also create documentation for the programs they develop, conduct software testing, and ensure system security. They play a critical role in every sector, helping businesses to operate more efficiently and effectively, and contributing to technological advancement. They must constantly update their skills to keep up with evolving technologies.