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Electronic Invoice MASS

Se desea crear un sistema con varios módulos, el principal de ellos de facturación electrónica, y POS (point of sales) para Ecuador, el cual pueda ser accesado desde la WEB y que funcione tanto para tablet, celular y desde MAC o PC vía navegador WEB, tener en cuenta que en el mismo sistema se deben poder conectar muchos clientes y cada uno solo debe poder tener acceso a su información en base de datos, necesito tiempo y presupuesto estimado, además de cual sería su mejor idea para implementar este sistema, (ej, una sola base de datos, varias bases de datos, en que lenguaje, etc), adicional recalcar que la seguridad es un tema importante, ya que se brindara este acceso en la modalidad SAAS y el escalamiento, ya que se deben poder implementar mas módulos, y que tenga la capacidad para contener a cientos de clientes de ser necesario.

Other points of interest:

a. At first the system should only cover these two functionalities, POS and electronic invoicing but with the possibility of adding more modules in the future.
b. The system must be able to work on mobile devices, PM or MAC through the WEB browser.
c. All the system must work in Spanish with the possibility to put a translation, to English for example.
d. The data base fields must be in English.
e. The programming must be done with object orientation.
f. A customer can have one or several POS, which could be defined as SITE.
g. The system must be based on modules, that is, example of modules: POS, ELECTRONIC BILLING, INVENTORY, PURCHASES, PUBLICITY, etc.
h. Users can only access their client, and their POS or several POS but always from the same client, this must be configurable.
i. A client can have administrator users who can perform this type of general configuration.
j. Users can access one or several modules, this must also be parameterizable.
k. The application must be extremely easy to use especially in the POS module, with the possibility to be touch, or with mouse and keyboard.
l. Preferably the database must be ORACLE and the business logic must be done in PLSQL (you can indicate other options), the language or architecture for the interface can be variable, take in mind that must be a WEBAPP and SAAS for multiple customers.
m. The system must have the possibility of scaling, and must have the possibility of managing hundreds of clients and POS, always oriented to security by client, so that there are no leaks of information between customers.

n. The electronic invoicing is done through a WS exposed by the government control entity, where it must send an XML with information stipulated in a document, the digital signature of the XML is made through a .p12 token.
o. Take into consideration that the design and functionality could be done by us and sent to you, as well as the design of the database.

Deliverables:

1. Source code.
2. Design of the database. (if required)
3. Installation instructions to be required.
4. Architecture design.
5. Manual of basic functionality. (if necessary)
They will be added more if necessary.

Skills: Java, Oracle, Software Architecture, Web Security, Website Design

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About the Employer:
( 0 reviews ) Quito, Ecuador

Project ID: #16360392

8 freelancers are bidding on average $1183 for this job

AzzkaNoor

I have read your project details. I have to ask a few questions. Can you please message me via chat so we can discuss all the details to elicit all the requirements and hence start the development? I will showcase al More

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expertjavagiant

Hi Sir, I have huge experience Java/J2EE development and i am expert in Servlet, JSP, Spring, Hibernate framework development. Apart from that i also worked on POS development and expert in java. As i reviewed your re More

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irinababina

Hi there. I read your requirement. I have worked as full stack developer for the last decade and have solid experience with that part. I am sure that I can do it perfectly as you want. I am going to use a single More

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frankgdl

Se puede hacer sin problema hay que ver varios factores me gustaria me contactaras para platicar mas a fondo de tu proyecto saludos..

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eperez76

Hola estoy conectado, si me envías un mensaje privado explicándome un poco más sobre el proyecto podré ajustarte la oferta. Tengo amplia experiencia demostrable y busco buenas valoraciones.

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gra582349b680fc1

Buen día. Somos una empresa de desarrollo de software, donde ya tenemos sistemas de punto de venta con facturación, donde podemos ofrecer la plataforma actual y realizar las adecuaciones descritas en el proyecto. Co More

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