Build a Website

I'd like to hire a freelancer who can add some features on my web site(Responsive web : mobile and pc support). My web site has 2 pages of [login to view URL] is made by Spring Framework, MyBaits, MySQL, JSP, Bootstrap and so on. I have basic functions for Login, Sign up, internationalization but I need to fix some bugs and upgrade the functions. My web site is for studying English(and Japanese, Chinese) while reading articles and users can select their lanugaes as a mother tongue(using menu display and meaning of the words) Here's what I want : * Login, Signup - My site has login/logout/signup functions but I need to upgrade them. - Remember me for 1 weeks function : Once login, closing and reopen the web site I want to login automatically. - Forget password function, Change password, delete account, Use Spring Security - Popup login window right below of login button. (At this moment the login window is popped up center of the web site's window) - Suggest mother tongue based on OS's language when Signup.(I'll explain it when you're chosen) - After signup, reopen the web page based on Study language.(I'll explain it when you're chosen) - Fix bug : On iPhone6 I can't login at once, I need to login twice. * internationalization - My site has internationalization [login to view URL] has a bug. - When a user open web site, I want the web's menu is displayed as the user's mother tongue. (When a user change his mother tongue on option window, it works perfectly) * ETC (I'll explain it when you're chosen) - Fix bug : Sometimes a button "ADD MEANING TO UNKNOWN WORDS" is not clickable - Fix bug : Sometimes a tooltip (Black background and white font is shown above of word when mouse is moving) is not disappearing. - Fix bug : A tooltip is shown on center, but the word is right end of the screen. - Fix bug : On iPhone6 the word's definition window goes top of the screen when I tried to edit textbox. - I'd like to show the word's definition window below/upper/right/left of the word based on the word's position in the screen. * About Project - I'd like you to edit on my source code to complete the project. (I'll upload it on the Git Server) You can see my site here : [login to view URL] - Deposit - deliver source code - release milestone. No release money before receiving source code and successfully compiled it. (Of course, I'll deposit the money on the Freelncer's site first.) - Use Git server on bitbucket.org. (Use gitingore to not mess up compiling) - Commit per feature so I can understand the changes easily. - Add comments on the source code and QA messaging is needed. (I'd like to maintain the upgrade source code by myself. So I want you explain to me on some parts that I can't understand your source code) - After this project finishes successfully, I'd like to post new project for refactoring/publishing/design of this project to you.