I have done this previously so I can do that for you easily.
I have 8 yrs of exp in java and related technologies.
I am sure I can do your job.
All my previous projects had 5/5 ratings so you can trust me.
I have 6 years experience in development digital signature apps. I have created many apps to sign
XML, Office, PDF document by c++, c#, java. I have created app to sign PDF using java, I can custom pdf signature,Lagi