Office Management Software

I am looking for experienced developers to create an innovative office management software with unique features and capabilities to make my office's workflow simpler and more efficient. Specifically, I require the software to have task management, document management, and calendar management capabilities. In terms of technology or programming language to be used, I have a specific preference of Java. So, I am looking for skilled and experienced developers who can design and develop this office management software based on my specifications using Java.