WPF Developer

Web, Mobile & Software Dev Desktop Software Development Posted 2 years ago


Less than 30 hrs/week
1 to 3 months

Intermediate Level

I am looking for a mix of experience and value


.Net developer to maintain and further develop big existing project. The project is client server multiuser  digital sticky note collaboration system with accent on UI research, support of multitouch, instant notifications. We have 2 clients, WPF and Android.
You will be responsible for both backend and frontend (only WPF client) development.

In addition, we also have 2 OS to support
Windows 7 [Stable]
Windows 8 [Experimental]

You will be working to support another developer who will guide through the backend system

Core skills:
-solid .net 4/C# (linq to sql, linq to objects, lambda expressions, async/await),
-Entity Framework,
-WPF (strong knowledge of XAML, ability to work without Blend, we have a bunch of custom components and styling)

Other technologies:
-minimal knowledge of WCF (we use WCF data services),
-SQL Server 2008 R2,
-also you'll need Microsoft Surface 2 SDK (note, not Microsoft's tablet, but http://www.microsoft.com/en-us/download/details.aspx?id=26716)
you will be able to use touch simulator from the SDK if your display doesn't support multitouch.  and in addition windows 8 too.

-Installed Resharper is a big plus.

Besides that, we have source code open to everyone at

Some Video on our System
Attachment Sources



Overall view

Please check out the source code before applying

Current Tasks Requirement

Bug fix
-Error in comment refresh . half written comment get overwritten by other users who  update the comments before the user finish writing thus making the the half-written comments disappear .

-  When there is an error message due to users error ,  one of the function which move the group of the card move stops working

New functions
Synchronized Scroll
-We use web kit as a built in browser. The feature requires that all users see the same position of the scroll bar in Web kit component. Perhaps you will need to integrate with native code of web kit to implement this. For networking we use Exit games photon.

-please reply with your suggestions of how to implement webkit scrollbar sync. and what APIs/libraries you will use

and other small details

Attached system discussion.zip for you to test the software.

  • Other Skills:

Activity on this Job

Last Viewed by Client: 2 years ago

Invites Sent: 0

Unanswered Invites: 0

Hired: 1

About the Client

(4.88) 17 reviews

Sendai 05:25 PM

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Over $50,000 Total Spent
40 Hires, 6 Active

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5,037 Hours

Member Since Oct 27, 2011