A .Net . - . developer designs, builds, and maintains efficient, reusable, and reliable code using .NET programming languages. They upgrade, configure and debug existing systems, provide user support, and are involved in creating technical specifications and test plans. They collaborate with internal teams to produce software design and architecture, and often work with modern architecture and latest technologies in the .NET world. Furthermore, they also ensure the best possible performance, quality, and responsiveness of applications, and are involved in the entire software development life cycle, from concept and design to testing.