Greeting,
Sir, I have gone through your project requirements for enhancements or changes in your current website with mentioned expertise. I'm a senior developer with the rich experience for 10+ years and have complete knowledge of ANGULAR JS and bootstrap CSS. I also have expertise in GIT, Ruby, Compass, JDK, Node Js, and MongoDB but not in Groovy, Grunt, Maven, IntelliJ IDE. That wouldn't be an issue if some research work would require will do that I'm good on it.
I'm available for discussion with additional information to get started. Looking forward to hearing from you.
Many Thanks,
Ahmed Tariq