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Build a Middleware app to connect our APP to Quickbooks online

We are looking to create a middleware application that we can provide to our clients that will be able to synchronize our Invoices, Payments and create customers in QB online. Please only apply to this job if you have completed successfully integrations with QuickBooks online and you are an expert at doing so.

We currently have an API that we can add whatever is necessary, but it should be more than sufficient to synchronize the invoices, customers, and payments to QB Online.


1. Sync AP and AR invoices to QB

2. Sync Payments two way from Us to QB or QB to US if the invoice was created by our APP

3. Synchronize customers from our App to QB Online. Update and create additional addresses if new addresses appear.

4. The app you create will need to authenticate to our API Token and there the user can set up and configure mappings and basic rules on how they would like data to transfer to QB Online. Basic Rules are which income and expense accounts should default when invoices are created in QB. Which Payments account should deposits be sent to. I think this URL represents a good idea of an integration setup page: [login to view URL]

5. Our Application is built in .net sql server. I am not sure if we need to build this app in that framework, but we need it to work well where a user can enable the integration and it will work seamless by using their token.

You will interface with my primary development team to have them add additional endpoints if necessary.

Here is access to the current API do you can see what is able to be pulled:

[login to view URL]

Evner: Intuit QuickBooks, Regnskab, .NET, MVC

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Om arbejdsgiveren:
( 29 bedømmelser ) philadelphia, United States

Projekt ID: #32295621

Tildelt til:

(11 bedømmelser)

37 freelancere byder i gennemsnit $2457 timen for dette job

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Hello Sir We are expert in QuickBooks Online Integration please watch the following video [login to view URL] also you can have a look on my portfolio , we have more than 100 QuickBooks Integration project Flere

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I have gone through the requirements. Have already done many projects (Can share screenshots) where QB online/Desktop was connected via QB API/SDK .. Synchronized Customers/Invoices/Items/Purchase/Payment etc 1-Settin Flere

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Hello, I understand your requriemnt to develop an Application that will be a bridge between your App to Quickbook. As we are well experience in developing Mobile Apps using 3rd Party API, POS intigrations we can defin Flere

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Hello!! I read your requirement carefully and ---I can surely create a app to connect your APP to QuickBooks online---- I am Asp.net Full-stack developer having 6 Years experience in analysis and development of clien Flere

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Hello, I saw your post for Middleware app to connect our APP to Quickbooks online that we can provide to our clients that will be able to synchronize our Invoices, Payments and create customers in QB onlin I'm a full Flere

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Hello. I am a Certified PMP (Project Management Professional) & Scrum (Agile) Professional offering services as Full Stack Developer (Frontend & BackEnd), having hands-on experience of developing small, medium and ente Flere

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Greetings, I have carefully gone through the requirements your have provided to build a middleware APP to connect your APP to Quickbooks online. I have undrstood all the requirements and assure you I will build your A Flere

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Hi, I have experienced developers to implement your requirements within the timeline. We have expert knowledge in web and mobile app development . We are expert in payment integration development . Could you please Flere

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Hello, Can we discuss the project details over chat? I am MS full stack developer having expertise in developing web, desktop application and I think I can manage this project well. I can share my project examples Flere

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Hi, Hope you are safe and doing well during this pandemic. I am ready to do the job immediately. Please come on chat to discuss job. I am very much confident in delivering your project as per your requirement. I have 9 Flere

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I'm an experience .NET developer, have been in this field for more than 5 years and working with many .NET related project (using C#/VB/ASP.NET with Angularjs). Python is also in my expertise list, I've been using it f Flere

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