many and varied. some vb.net based on vs2008 for windows mobile (changes to existing projects), some c# based on MVC, some based on xamarin c3 for android platform. All of them are addon applications to mid tier ERP's such as SAP B1, Sage 300 or X3, Acumatica etc. experience with interfacing to ERP's is valuable.
all apps collect data of one form or another and interact back to the ERP via SDK's or PI's of the ERP. the main focus is on Warehouse Management Systems
10 freelancers are bidding on average $34 for this job
Hi I noticed your project, and i can help you I have the best review in freelancer.com You can check on my portfolio Relevant Skills and Experience Xamarin Proposed Milestones $25 AUD - whole