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Build a cross platform app using xamarin

I need to contract someone fora Xamarin cross platform app for IOS, Android, and Windows.

1. the user will register using their phone number. User will enter their number and receive code, the code will be used to validate the account.

2. Users can report activity, the activity can be seen by other users within 25km radius.

when reporting an activity, user may upload a picture as well as a brief description.

3. In case of natural disaster, the admin can send a signal and everyone can respond to notify if they are safe or not. if user is not safe, they may send a small message, being visible by everyone at 25km radius

4. the infomration of the user reporting the activity does not need to be known.

5. data will be saved in firestore db or sql server

Kemahiran: Android, Pengaturcaraan C#, iPhone, Mobile App Development, Xamarin

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Tentang Majikan:
( 3 ulasan ) Davenport, United States

ID Projek: #17152960

19 pekerja bebas membida secara purata $378 untuk pekerjaan ini

smartstepsco

Hi I'm c# developer with 12 years experience on .net framework and related tools. Also I have 5 years experience on xamarin form and xamarin native. I'll create backend of this project with web-api and mobile app w Lagi

$25 USD dalam sehari
(26 Ulasan)
6.9
ksd711

Hi. I have 7+ years of experience in Mobile (iOS/Android) app development and 6+ year Exp in Web development(PHP,Mageto .NET, Firebase,JAVA,HTML). I can use Native/Xamarin/Ionic/PhoneGap for mobile development. Can Lagi

$250 USD dalam 7 hari
(42 Ulasan)
6.1
winlancerinc

About Me: ======== I'm full-stack Xamarin mobile app developer with extensive hands-on iOS, Android, and Windows app development and serving in all patterns of Xamarin since the year 2013. I've been developed xama Lagi

$25 USD dalam sehari
(25 Ulasan)
6.4
contact2phpsl

Hi Reviewed your given details. I'm a Xamarin specialist with 5+ years in Mobile Android,ios app development and having extensive experience in developing xamarin mobile applications using C#, .Net Framework, Xaml, Lagi

$800 USD dalam 10 hari
(536 Ulasan)
10.0
mobileffort

Dear Sir/Madam, I found your request to make Xamarin application for three platforms. The choice of firestore DB is acceptable. My team need 5 days for such implementation with 850 USD. Phone number registration is Lagi

$944 USD dalam 5 hari
(12 Ulasan)
5.2
huypq5

As description in your requirement. I'm sure to complete this tool for you. inbox me if you have any question about my skill or this project. Thank for your attention HuyPQ.

$222 USD dalam 5 hari
(47 Ulasan)
5.4
$1200 USD dalam 30 hari
(10 Ulasan)
5.0
wasifmuneer

Hello, Please give me chance to discuss the project details over chat. I am MS full stack developer having expertise in developing web, desktop and mobile applications using MS stack, I am offering my services fo Lagi

$25 USD dalam sehari
(13 Ulasan)
4.5
MobleJoseph

Hi, I'm a senior Xamarin developer with more than 7 years of IT industry experience. I have executed several projects where it stretches from a Cross Platform mobile app to a scalable cloud based back-end on Microso Lagi

$1000 USD dalam sehari
(4 Ulasan)
4.0
myappsdevelopers

Hello Hiring Manager, I read your job descriptions carefully, I am very interesting in your job. I have developed apps such as Social networking & lifestyle(Tinder style dating, chatting, sharing), Food & drink(R Lagi

$250 USD dalam sehari
(16 Ulasan)
4.1
maanyait

Hello, This App sounds very helpful for community same like Facebook also have the feature people can mark them self save in case of disaster.I m happy to work with this . We are good in Xamarin Forms , i am wor Lagi

$25 USD dalam sehari
(4 Ulasan)
4.0
stanislav103

Hi, there. I am glad to apply in your project. I am an experienced and highly skilled cross-platform app developer. Very familiar with PhoneGap and Xamarin. Looking forward to your kind reply. Thanks.

$25 USD dalam sehari
(3 Ulasan)
3.1
manojsainig

Hi, I have an experience of over 5 years in iOS/Android applications development. I have worked individually as well as in a team. I like to build fully efficient applications which are user friendly as well as best i Lagi

$25 USD dalam sehari
(2 Ulasan)
3.2
Rohaanshinde123

Hi there, Greetings! I have read your project posting and I can surely help you to design and develop an cross platform app using xamarim. We have a expertise of 7+ experience in Xamarin, .NET Framework, ASP.N Lagi

$25 USD dalam sehari
(6 Ulasan)
2.8
kmd715

Hi there, I hope you are doing well. I understand your requirements, I am Hybrid Mobile Application Developer(Ionic, Xamarin,React Native, PhoneGap, Angular, Cordova) and I have experience of 5+ years in developin Lagi

$800 USD dalam 20 hari
(2 Ulasan)
1.9
PixyrsSoftechUK

Hello, I am skilled in developing Android ,Iphone, and Ipad apps. My skills includes Android SDK, JAVA ,Android Development Webservices, Cocoa Framework ,React Native, XCode ,iPhone SDK ,Cocos2D,OpenGL ES, Master Da Lagi

$25 USD dalam sehari
(0 Ulasan)
0.0
$1055 USD dalam 60 hari
(0 Ulasan)
0.0
$25 USD dalam sehari
(0 Ulasan)
0.0
MahmoudHafez3040

hi sir I'm software developer (Xanarin ,DotNet) ,I worked in 5 project Xamarin form two of them deployed in app store and play store you can check its , --URL Android : [login to view URL] Lagi

$444 USD dalam 10 hari
(0 Ulasan)
0.0