Mobile Xamarin / C# Web services / Social Media

Ditutup

Extending a mobile app for Android and iOS plaforms using Xamarin and C#. The project also involves creating c# web services or c# cloud services to communicate to the mobile app and third party api's. Designing a back-end database using SQL Azure. The mobile app will communicate with a number of web services also and integrating to various social media providers using their native api's from the mobile app. Sending messages to api's need to be verified. The app should also make use of multi-threading wherever practical. Highly optimisied code and fast response times are a must.

General Requirements

1. 100% Fluent English (read, write and speak). All Communications in English in a clear and precise manner.

2. Work from written specifications, but also capable of making own decisions and on own initiative when required.

3. Able to easily adapt to changes in user specifications from one development phase to another.

5. Provide clean concise code.

6. Fully familiar in reading API documentation and recognising pitfalls.

7. Provide fully tested app deliverables.

Technical Requirements

1. 100% familiarity with Xamarin, C#, Cloud/ASP/MVC Web Service technologies.

2. Experience in interfacing with SecureTrading API's for credit card authorisation

3. Experience in handling the OAuth/OAuth protocols from within a Xamarin mobile application.

4. Experience in interfacing with Native social media API's, Facebook, Twitter, LinkedIn and Instagram to send messages to a users wall.

5. Experience in dealing with XML/HTTPS Api's to a custom Host from within a Xamarin mobile app.

6. Experience in communicating Xamarin to own web service running as Azure cloud service or IIS web service.

7. Creating Azure Cloud or IIS web services to send and receive data from the mobile app. CRUD.

8. Creating Azure Cloud or IIS web services to send and receive data from another api (XML). CRUD.

9. Full understanding and implementation experience of multi-threading in a Xamarin App.

Kemahiran: Pengaturcaraan C#, Pelayan Microsoft SQL, Telefon Mudah Alih, Sekuriti Web, Xamarin

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ID Projek: #14355478

98 pekerja bebas membida secara purata €8125 untuk pekerjaan ini

zhengnami13

Hi I'm a Xamarin developer. I have 4 years experience with Xamarin. Also I'm very familiar with creating C# web service and SQL Azure. Please check my skill. https://www.freelancer.com/projects/Android/PDF-M Lagi

€10000 EUR dalam 70 hari
(172 Ulasan)
8.6
jastp

Hi, I've read the details you mentioned and I'm interested in working on this project! I will provide you final time and cost estimate, Once we discuss everything over chat. Relevant Skills and Experience Please have Lagi

€8823 EUR dalam 30 hari
(188 Ulasan)
8.6
aistechnolabs

Greetings, I am very thankful for this opportunity. It’s really exciting that we have below similar kind of expertise and work experience: https://itunes.apple.com/us/app/face-swap-editor-to-morph/id986073281?mt= Lagi

€9058 EUR dalam 40 hari
(25 Ulasan)
8.2
contact2phpsl

Greetings We have gone through your given details. WE are ready to deliver the job. Please interact with us. I have vast experience over Xamarin. I can assure you for a quality work from my side. Kindly find belo Lagi

€5294 EUR dalam 30 hari
(401 Ulasan)
8.0
mobileservice001

https://www.dropbox.com/s/knj2fgmi932w7b8/second%20bid%20text.txt?dl=0 here is my proposal Relevant Skills and Experience object C, Xamarin Proposed Milestones €8333 EUR - Milestone

€8333 EUR dalam 30 hari
(38 Ulasan)
7.9
monoLancer

https://www.dropbox.com/s/as1kgb329kjm4my/freelancer.txt?dl=0 Relevant Skills and Experience ObjectC, Swift, Xamarin Proposed Milestones €8333 EUR - Milestone

€8333 EUR dalam 30 hari
(48 Ulasan)
7.8
€8823 EUR dalam 30 hari
(51 Ulasan)
7.6
Yknox

Dear, I am Smile Song, Mobile developer in China. I've just read your job posting and I’m very interested. I'm a certificated freelancer with almost 600 good reviews from clients. I have experienced knowledge in ev Lagi

€9278 EUR dalam 30 hari
(285 Ulasan)
7.8
hemanshusondhi

30+ team including 22 full time Mobile apps developers. In short, if you need a team who offers *real English* communication, optimized code, AND in time and within the budget, then we are the choice. Relevant Skills Lagi

€8000 EUR dalam 30 hari
(43 Ulasan)
7.9
xiaomingming

How are you? I am a Mobile & Web developer who have 10 years experience of program develop and 5 + years in mobile. My main field is social I am interested in your idea . so I hope to chat with you for details Lagi

€6000 EUR dalam 30 hari
(72 Ulasan)
7.5
AppXonedotCom

Hello Matthew, I'd like to get further insight into actual features of the app to recommend whether Xamarin would be a good choice for that stable app.As recently we came across many clients who had problems with Xa Lagi

€14000 EUR dalam 50 hari
(59 Ulasan)
7.5
MobiStudioz

Hello, Below is the brief of project scope ►►Project Title- -Mobile Application Development. ►►Kindly communicate with us so that we can discuss the job post. ►► Our Profile ◄◄ ► https://www.free Lagi

€8000 EUR dalam 90 hari
(22 Ulasan)
7.3
technorizen

Hello, I m fulltime available for work , I have 5 years of experienced on mobile application (Android & iphone ) and App admimn with development web services where admin can manage the app from backend I have Lagi

€8729 EUR dalam 50 hari
(95 Ulasan)
8.0
sleith

Hi, i’m senior android and ios developer for over 5 years, working at home full time freelancer. I have team to help me on backend side for faster development. Thanks, hope we can work together :) ###### I've done Lagi

€8947 EUR dalam 60 hari
(31 Ulasan)
7.5
€8823 EUR dalam 30 hari
(18 Ulasan)
7.1
suju8811

Hello I have rich experiences in android ,ios area. I have developed several design ,content management,gps,map,music,video,social,chat,game... apps. I can develop iOS project using both objective c and swift langu Lagi

€7647 EUR dalam 30 hari
(72 Ulasan)
7.4
€8823 EUR dalam 30 hari
(43 Ulasan)
7.3
Anuitex

We are the team of IT professionals with more than 7+ years experience in C#/.NET and deep specialization in Xamarin development for iOS and Android. Relevant Skills and Experience C#, .NET, Xamarin Proposed Mileston Lagi

€10000 EUR dalam 30 hari
(39 Ulasan)
7.4
leadconcept

Dear Sir, I have read Project Description & . understood everything but I really need more detailed requirements or at least high level features to estimate it precisely, because based on the project description, it Lagi

€9411 EUR dalam 80 hari
(10 Ulasan)
7.3
amitorada

I can take it if you want Native instead of Xamarin application. Hi, I have 5+ years of experience in Android/iPhone/iPad Application development. I have developed applications for range of domains like eCommerc Lagi

€10000 EUR dalam 45 hari
(104 Ulasan)
7.2