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Mobile Xamarin / C# Web services / Social Media

€5000-10000 EUR

Закрито
Опублікований almost 7 years ago

€5000-10000 EUR

Оплачується при отриманні
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.
ID проекту: 14355478

Про проект

90 пропозицій(-ї)
Дистанційний проект
Активність 7 yrs ago

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90 фрілансерів(-и) готові виконати цю роботу у середньому за €8 080 EUR
Аватарка користувача
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 every part of mobile technology. I know how to bring your idea alive and communication well. I never disappoint my clients and I’m able to lead your project to success and troubleshoot problems. I am sure these will reflect in my past results. Please contact me if I am a match for you are looking for. Best Regards, Song
€9 278 EUR за 30 дні(-в)
5,0 (731 відгуки(-ів))
9,2
9,2
Аватарка користувача
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-Magazine-Viewer-App-for/ https://www.freelancer.com/projects/Mobile-Phone/Create-Xamarin-iOS-app-from/ https://www.freelancer.com/jobs/Android/Xamarin-Forms-VideoView-renderer-for/ https://www.freelancer.com/projects/Mobile-Phone-C-Sharp-Programming/Write-some-Software.6591883.html https://www.freelancer.com/projects/Mobile-Phone-Android/Xamarin-demo-project-for-Android.html https://www.freelancer.com/projects/Mobile-Phone-iPad/Xamarin-iPad-Project.html https://www.freelancer.com/projects/Finalize-Xamarin-Mono-Droid-app.html https://www.freelancer.com/projects/Mobile-Phone-Android/Xamarin-Mono-For-Android-using.html https://www.freelancer.com/jobs/C-Sharp-Programming/lightweight-logger/ https://www.freelancer.com/projects/Mobile-Phone/Write-cross-platform-Xamarin-Application/ https://www.freelancer.com/projects/Mobile-Phone/Xamarin-Forms-Project/ As you can see from my Freelancer profile, I enjoy working with clients that take good quality and design seriously. I'd love to chat with you over online chatting to discuss the job more detail. I look forward to our chat. Have a great day! Thanks Best regards Gong.
€10 000 EUR за 70 дні(-в)
5,0 (204 відгуки(-ів))
8,8
8,8
Аватарка користувача
7+ year c# programming, api, service and xamarin experience Relevant Skills and Experience 7+ year c# programming, api, service and xamarin experience Proposed Milestones €6647 EUR - xamarin app
€6 647 EUR за 45 дні(-в)
4,9 (214 відгуки(-ів))
8,1
8,1
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please provide me user interface screens, Wire frames or complete flow of app for better understanding. Relevant Skills and Experience I have rich expertise in xamarin, and cordova Proposed Milestones €8823 EUR - final cost of project
€8 823 EUR за 30 дні(-в)
5,0 (163 відгуки(-ів))
8,2
8,2
Аватарка користувача
Nice to meet you. My name is Bryan Valencia. I am very interesting your project. I am Professional Mobile app(Android, iOS, Backend) developer who has a great experience. I would provide the Best Product and offer good service until you are satisfied with my work. Also, I would suggest a creative idea to you with my experience so that product is a more useful and smooth in every part. Please contact to me and let's discuss your project deeply. Regards.
€10 000 EUR за 60 дні(-в)
4,9 (44 відгуки(-ів))
8,1
8,1
Аватарка користувача
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 is hard for me to give you any estimate. Please ignore the bid & once requirements are finalized, I will then give you firm bid. Look forward to hearing from you & start further discussion thru' private chat. Regards, YK LEADconcept
€9 411 EUR за 80 дні(-в)
5,0 (12 відгуки(-ів))
7,5
7,5
Аватарка користувача
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 and Experience Experts in IOS / Android apps and Website development. Since we believe in long term relations & are very confident about what we do, we also GIVE A FREE 90 DAYS SUPPORT for all our apps made. Proposed Milestones €8000 EUR - Default
€8 000 EUR за 30 дні(-в)
4,6 (59 відгуки(-ів))
8,3
8,3
Аватарка користувача
Hello? I am very interesting in your project I have read your description carefully and i can do this in a short time with high quality Please contact me Let discuss more details together on chat Relevant Skills and Experience I am expert in mobile, android, IOS, etc I can show my some demo if you want Proposed Milestones €8333 EUR - done I will try my best for you I will wait you Best regards
€8 333 EUR за 30 дні(-в)
4,9 (226 відгуки(-ів))
7,7
7,7
Аватарка користувача
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 developed the TAXI apps, google map , Event App, Jab Potal App,Restaurant App,Dating App,Social chat with video calling and other apps with clients need . I would approach your project by starting with wireframes and getting the design completed, before starting the actual development phase. Regarding your project if you have any reference or if you have already created a doc then please share with me so I can check and proceed in right momentuim As concern for my skills please take a look on my past work .We have already created more than 300 Apps and around so far . We are highly qualified for this project and would love to speak with you further about taking this project on. Please share more details to check and discuss . Looking forward with more details Thanks Technorizen
€8 729 EUR за 50 дні(-в)
4,3 (183 відгуки(-ів))
8,6
8,6
Аватарка користувача
Hello. I am very CONFIDENT in your project development. I have developed many apps over 7 years, I have a wealth of experience in the xamarin mobile apps with backend and have fluent english skill. Also I have many experiences with Cloud servers. I am sure I can complete your project perfectly and smartly. Hope to work with you. Best regards.
€8 823 EUR за 30 дні(-в)
5,0 (43 відгуки(-ів))
7,2
7,2
Аватарка користувача
I am up for this job and would be happy to assist you for long term as I carry 3 years of Xamarin based app development experience. Relevant Skills and Experience as I carry 3 years of Xamarin based app development experience. I have gone through the list of issues you shared in job description and can fix them for sure. Proposed Milestones €500 EUR - Initial Milestone €7833 EUR - Other milestone What domain your application belongs to?
€5 000 EUR за 45 дні(-в)
4,8 (56 відгуки(-ів))
6,5
6,5
Аватарка користувача
After checking your requirement i am very interested to work with you, as your requirement match with my expertise. I believe i have expert level experience in .Net, C#, Xamarin and JS . Relevant Skills and Experience Asp.Net web api, MVC, Web Services, C#, Xamarin, Azure Cloud Proposed Milestones €5555 EUR - Initial mile stone Additional Services Offered €1000 EUR - Service per month Can you please provide details spe? When you want to start?
€5 555 EUR за 30 дні(-в)
5,0 (8 відгуки(-ів))
6,4
6,4
Аватарка користувача
Hello. I ‘ve read your post and very interested in your job. I ‘m sure I can satisfy you with my skills and talents. I have much experiences in programming and developing software. I major in Unity3D(AR & Google Tango), PHP, Web scrapping, C++ & C#, ASP.NET, Python, I can provide my done projects and links. Then you can see my ability and trust me. Let us contact and discuss more in details
€8 333 EUR за 30 дні(-в)
5,0 (31 відгуки(-ів))
6,3
6,3
Аватарка користувача
In the bid amount , I can provide website version , android and ios application. I have experience in such tasks. I shall provide daily work updates and shall be available to discuss everyday. You will also get one year support and the work will be of top quality.
€5 000 EUR за 44 дні(-в)
5,0 (26 відгуки(-ів))
6,1
6,1
Аватарка користувача
I am a excellent programmer with mobile app and web development skills. If you want to work with Me, I will provide good work great success to you. -My experience and MySkills Chatting and Dating , Taxi and ride sharing , Shopping ,Video and photo Editing , QR code Scan , Food ordering ,AR and VR Travelling,Unity 3dGames My key skills are Android iOS , Web -Game development (Cocos2d , Unity3d ,Vuforia) -VR & AR , Vuforia - Swift, Objective-c , Java, php, html, c, c++ ,VC++ ,C# -Xcode ,Android SDk, Eclipse , Xamarine -Firebase, Google map api, Geolocation ,OpenCV, OpenGL,opencart -Voip, Openfire -Website developement Php, My SQL , WordPress , PrestaShop, CakePhp, CSS , HTML5, Joomla
€8 333 EUR за 30 дні(-в)
4,8 (23 відгуки(-ів))
5,7
5,7
Аватарка користувача
Hi, I can extend functionality of your iOS/Android apps with focus on web/cloud services. Please contact me for more details and samples of my work. Relevant Skills and Experience I'm an expert mobile developer with 6+ years of experience in C#, Objective C, Swift, Xamarin, Ionic and Cordova. I develop for iOS and Android as well. Proposed Milestones €7200 EUR - 100% Best regards, Dmitry, Miami
€7 000 EUR за 50 дні(-в)
5,0 (4 відгуки(-ів))
5,4
5,4
Аватарка користувача
Hello Sir, We specialize in Designing Business, Networking and computer vision applications. We can deliver you an efficient bug free and extensively tested in virtual environment solutions in minimum time possible, You can check our reviews of clients we already worked with :). We never compromise on Quality and go extra miles to make our clients Happy and Satisfied. Our Experience includes CRM for YZC company Singapore, ERP for electrical equipements installation and distribution company Pakistan (only distributor of General Electric in Pakistan), Hospital Management system for Government and ERP for Sweets and bakery production Company. We have worked in designing embedded systems which includes indoor farm lighting and water and atmosphere system, out door automatic irrigation system, Colar for monitoring cattle herd so that they can be monitored about health and feeding conditions. In computer vision, Our experience includes Driver fatigue detection using raspberry pi using OpenCV, Vehicle counting in the particular category they belong to on a high speed road, number plate recognition using OCR algorithm of openCV, face detection and recognition for attendance system of a school and patient management system of a medical system and damage inspection and OCR of containers at ports. In Short we have the right experience in Designing Stand alone intelligent Software systems and hybrid plus embedded systems. Looking forward to hear from you really soon. Regards
€8 000 EUR за 30 дні(-в)
4,9 (13 відгуки(-ів))
5,4
5,4
Аватарка користувача
Hi, I can extend your applications on xamarin platforms at the earliest, I am working since last 8+ years on mobile development for Native & Hybrid development and provided hundreds of solutions globally, I wish I could help you out with this job as well. I have read all general requirements and found myself qualified for this job, I can tell you the best price and time frame once I analyze your current application, I would really appreciate if you could provide me more info about apps, or code, or live URL if possible. 1. I am fluent in English, 2. I believe in documentation and always follow process also capable of making decisions in your absence whatever is required for a healthy solution, 3. Yes I am IN, 5. You will get clead and scalable code, 6. APIs are part of my life now, 7. I will mention all the deliverables in techno-commercial proposal, Technical Requirements: 1. Yes I am 100% familiarity with Xamarin, C#, Cloud/ASP/MVC Web Service technologies. 2. I am familar with SecureTrading API's for credit card authorisation for any payment method, VISA, Maestro, Master, AMex, CC, Debit, Netbanking, PayPal. 3. I am familiar with OAuth/OAuth protocols. 4. Social media APIs is a quick simple job for me. 5. I am familiar with XML/HTTPS Api's to a custom Host. 6. I can easliy communicate Xamarin to own web service running as Azure cloud service, 7. I can Create Azure Cloud Services to send and receive data from the mobile app. Let's discuss more ! Regards, Avtar.
€5 000 EUR за 30 дні(-в)
4,9 (4 відгуки(-ів))
4,7
4,7
Аватарка користувача
Hi I have been in this industry for 10 years and such jobs are my daily practice.I am confident that I can exceed your expectations.I can complete your project on time and within your budget.I can assure you that if you work with me once, you will always work with me for these kind of projects.
€8 000 EUR за 30 дні(-в)
5,0 (23 відгуки(-ів))
4,7
4,7
Аватарка користувача
Hello Sir Hope you are doing well. understand your requirement very well and i let you know my team is ready to take this challenge. we have a strong team in Xamarin and C# and also swift and objective C. and c# web services is fetch with 3rd party api in xamarin. and will use MYsQL for back end data store. we are experience all of above you mention. and we are ready to work on your terminology why would you choose us ? we are very much punctual about our services we are supportive 24/5 days we provide service's to customer budget for make them happy. we allows build a strong relationship with our customer and make them satisfy all time thanks rana
€5 677 EUR за 30 дні(-в)
5,0 (3 відгуки(-ів))
4,3
4,3

Про клієнта

Прапор IRELAND
dublin, Ireland
0,0
0
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На сайті з груд. 19, 2016

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