Web Billing Mexico

READ CAREFULLY: First line in your answer must be: I'M ABLE. Others will be considered spam. Just freelancers than could work with warranty of their works,than can receive milestones payments after we aprove their work, than can talk with us on GMT-6 (Mexico City Time) on a schedule of 9am to 7pm (see this link to timezone conversion [login to view URL],3995465&h=30), than can give us daily updates with screenshots/[login to view URL] uploads of their work. It means totally customer fucosed satisfaction. We are looking for ready made robust, with great design and responsive( or with android and ios app) crm/erp/billing solutions easily and cheaply customizable built in java or php (if you know how to do a java bridge), to generate, cancel and validate xml invoices in mexico. Process to generate, cancel or validate invoices involves check sender and receiver tax id number against a constantly updated text file (file must be downloaded every day and update our database of valid tax id), to sign xml with certificates (.key and .cer), to validate xml invoice data against a xsd schema, and files generated must be sent by email, ftp or sftp and stored too in dropbox, and an ireport (java reporter) integration to generate invoice pdf and other reports. Features needed (at least) they are here: [login to view URL] Additionaly we need -website (similar to [login to view URL]) - an api to let generate invoices sent to our server by ftp/sfpt/webservices in xml or txt format and sent they later by email, ftp, sftp or throw a generic webservice client built on js, php(if you use php/java bridge) or java (depending of your ready made project) - an xsd to form generator to integrate ANY snippets of xml ruled by an xsd to our xml invoice. -Online chat -Social login We have enough documentation and ready made well tested java program on maven to generate invoices with mexican laws. Target language is spanish, but if you ready made solution has internationalization capabilities you can do it in english. Your ready made solution (or components ready to use) must be closer in capabilities to portal in link provided: We have a $200 usd budget and a deadline on 15/Jul Further indications and my skype id will be provided to freelancers in budget and no spammers. Thanks in advance.