In my understanding, This project is best suited for technical person rather writers only. I can do this task.
Relevant Skills and Experience
Expert IT professional is here with more than 08 years work experience. I wrote several technical papers with system diagram like UML, Usecase, ERD, Class, Data flow etc.
Proposed Milestones
$250 USD - technical analysis, define user need, identify system input and output, usecase diagram
How can I get information about your existing system?