Hi ! I am a Java / J2EE senior developer with 7 years experience.
I work usually with software companies.
There is my answers to your questions :
1- I dont have any experience with JIRA customization but I am an excellent Java/JEE developer and i learn very very fast. I have other experiences in customizing open source projects : liferay portal, shark workflow engine,etc ...
2- I am good at developing with Java/JEE and open source . I worked on more than 20 big projects during my experience.
3- I am good at both but i have a preference for server side programming
4- CSS design
5- Producing high quality code , learn and work fast, understand the problem and find the most effective solution
6- Verbal :6 / Written : 7
7- Honestly, they like working with me because they can rely on me ( that's what they say)
8- Linux
9- I learnt to program in engineer's school in my country . I have an engineer degree
10- Yes . I worked on workflow api based on spring.
11- I honestly think that i am good engineer . I hope you''ll give me the opportunity to work with you on this project . Thanks.