Replace Backend of an existing app

I need someone to replace the backend of a existing app that does not have current API or last code.

Skills: Android, iPad, iPhone, Mobile App Development

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About the Employer:
( 89 reviews ) Danville, United States

Project ID: #6727293

Awarded to:


Hi, Dear Sir. "High Quality + Powerful Service + Rapid Communication!" is my forever business policy! I just read your job posting with interest and carefully, and I’ll waiting interview with you ardently. I have ex More

$944 USD in 15 days
(6 Reviews)

21 freelancers are bidding on average $1104 for this job


Hi there, Hope you are doing good. This is bhimashankar with "syneotek software solution" company with highly skilled and experienced professional's expertise in development of iPhone, Android, Windows Phone7 app More

$1500 USD in 30 days
(49 Reviews)

I have so many questions. Lets discuss more to get an exact bid. Here are the sample of recently developed apps. [login to view URL] [login to view URL] More

$1184 USD in 20 days
(121 Reviews)

Dear Employer, We are really interested in this project as it is exactly within our scope of expertise. Working with a team who has both inhouse DESIGNERS and PROGRAMMERS means that you can take advantage of both More

$1184 USD in 20 days
(55 Reviews)

Hello Sir, I have more than 3.5 years of exp. in IOS application development in an IT company and I have deployed more than 20 apps on App store on behalf of my Company. Right now, I have started work as a freel More

$800 USD in 20 days
(12 Reviews)

Hi, client. I have enough experiences and skills Mobile app and Backend development. I think I can work with you and I hope work with you. I wait your reply. Best regards.

$800 USD in 10 days
(1 Review)

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$1184 USD in 25 days
(29 Reviews)

Thanks for your job posting. Your job is very interesting for me and I hope to work on this project. I have rich experience in mobile development and mastered most branches of iOS & Android. I developed many mobi More

$1578 USD in 12 days
(7 Reviews)

Hi I am glad to find your project. I am web developer with good HTML, CSS and PHP, MySQL skills. Now My ranking is top 8 in freelancer. So I think you may not worry about the project. Please check my portfolio careful More

$1546 USD in 20 days
(35 Reviews)

Dear client! I have developed so many apps before that I have a lot of experiences in mobile development. Although I am new in Freelancer, I am very good at development. If you give me your project to me, I will pro More

$842 USD in 10 days
(50 Reviews)

Hello sir. I am a passionate mobile developer with 5+ years rich experience. Before felling in love with mobile apps, I had worked extensively with objectiveC, XCode, Java, C++ to have a strong grip on OOP and design p More

$842 USD in 5 days
(47 Reviews)

A proposal has not yet been provided

$1159 USD in 20 days
(97 Reviews)

Hello Dear client We have read your description and understood your requirement of replace the back end of a existing application . We are experts in developing mobile application .We have 3 years of experience More

$1578 USD in 20 days
(54 Reviews)

Hi Sir I am a lead programmer as i have 10 years of working experience in php,mysql, ajax, jquery, javascript, css, html, Graphics Design. I am a lead developer with a team of developers and designers. I have expert More

$789 USD in 15 days
(6 Reviews)

Hi I have strong experience of iOS,android app and backend service development. I have some question. Have you android or iOS source code? I'll wait your kindly reply Thanks Fang

$1184 USD in 20 days
(22 Reviews)

Hi, We have understand your requirement,we done many apps with these kind requirements. Here are some of our works.  IOS BAsed [login to view URL] [login to view URL] More

$1237 USD in 20 days
(0 Reviews)

I have 3+ years working experience . You can find out my portfolio at [login to view URL] I am proficient in following technologies : 1) Framework (CodeIgniter, CakePHP) 2) Mobile Applications (iOS, Andro More

$750 USD in 20 days
(8 Reviews)

Hi, I saw your job . I want to see your job in detail. If you give the chance I will do my best. Please check my urls. [login to view URL] [login to view URL] More

$1315 USD in 23 days
(70 Reviews)

We are having 5 years exp in android [login to view URL] made an application like this [login to view URL] need to know little bid more about your project [login to view URL] if we can get a opportunity to talk to you it will be better More

$750 USD in 3 days
(49 Reviews)

If you want good & perfect RESULT, please contact me. I have a lot of experience backend coding. My strong skill is social networking, own backend, web or mobile. Currently, I am available to work more than 8 ho More

$750 USD in 7 days
(8 Reviews)

Hi, I can do your project perfectly. Please check my productions Please contact me. Best Regards. Wang -iOS Social app: Yuru [login to view URL] app for site https://itunes.a More

$1263 USD in 20 days
(91 Reviews)