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On average, 33 Cocoa projects are completed every quarter on Upwork.


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Cocoa Upwork freelancers typically receive a client rating of 4.69.

Last updated: October 1, 2015
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Tatiana P.

Tatiana P.

iOS Developer with Web Services Development EXP

Moldova - Tests: 9 - Portfolio: 5

-----I always help you to achieve success and to be happy!----- Greetings! As a top developer in Linux system applications, I have more than lots of applications published on Apple App Store and Google Play Store. I have a team of scale 8 members needed for huge project development. My majority applications are the followings. 1. Social networking apps like Vine, Facebook, Tinder and Youtube. 2. Photo & Video sharing applications with Instagram effects 3. Online buy/sell Marketing/Shopping business App 4. Online Chatting/Messaging/Dating App 5. GoogleMap/GPS App and Taxi apps like Uber 6. QRCode, BarCode Scanner 7. Photo/Camera/Video/Audio Sharing, Uploading/Downloading, Filtering/Editing, Streaming, Mixing/Processing, Recording also, 8. Phonegap/Titanium/Xamarin and Phonegap plugins development 9. PHP, HTML5, CSS, AngularJS, laravel framework, Website design 10. ASP.NET, C#, Ruby on Rails, Python I'll have hundreds of possible combinations. I believe in-depth decision is key to any successful project. Thank you

Groups: Application Developers Alliance

67% Job Success
$55.56 /hr
184 hours

Oscar A.

Oscar A.

Mobile (iOS/iPhone/iPad & Android) app developer

Netherlands - Tests: 6 - Portfolio: 4

Welcome review my profile. I am professional Android&IOS application developer. Over last 6 years, I have developed many apps and games for iOS/Android. Let me contact if you want to create mobile apps for Android and iOS. I will provide you high quality products within deadline. I have the following skills: Native Platform : iOS, Android, Objective-C, Swift, Java, C#, C/C++ Web service : JSON, RESTful, Parse, Amazon Chat & Messaging : XMPP, Jabber, Quickblox, OpenTok WebRTC Media processing : OpenCV, GPU Image, CoreAudio, AVFoundation Database : MySQL, SQLite, Oracle, SQL Server, ODBC Social Site : Facebook, Twitter, Linkedin, Instagram, Youtube, Pinterest, Vimeo, Sina Weibo Map : Google Map, Geolocation, GPS, Open Street Maps Advertisement : iAd, Revmob, Admob, Chartboost, Tapjoy, Flurry, AppLovin Cloud services : iCloud, AWS EC2, Dropbox Mobile Game : SpriteKit, Cocos2D, OpenGL, Corona, Unity3D, Box2D, Casino Slot machine, Poker, Puzzle

$55.56 /hr
83 hours

Yefim Frolov

Yefim Frolov

Expert iOS/Android/Web Developer

Russia - Tests: 4 - Portfolio: 1

Welcome review my profile. I am professional iOS&Android application developer. I have experience in mobile development more 7 years, let me contact if you want to create mobile app for iOS and Android. Also I am familiar with Compute Vision(Object Recognition, Face Recognition, Image retrieval). I will provide you high quality products within deadline. I have experience in following area. 1) MOBILE APP DEVELOPMENT - iPhone, iPad, Android App UI - Social Framework integration.(Facebook, Twitter, Instagram) - Google Map Service 2) Mobile Game Development - cocos2d-x, cocos2d, Box2d, Unity 3D..... - in-App purchase, iOS Game Center, Android/Amazon Game Circle. - AD integration (Chartboost, Revmob, Admob, Applovin,....)

$44.44 /hr
29 hours

MingRi Piao

MingRi Piao

iPhone Development, Android Development

China - Portfolio: 9

9 Years of Extensive Experience in the Mobile World and Reversing World. ========================================================== I LOVE Mobiles and I like to offer the most COST-EFFECTIVE mobile solutions Self-directed and motivated Mobile Developer with 8+ years' experience in Objective C/xCode, Java, C/C++, .NET technologies. My Core Skills and Experiences are following : * Objective C/XCode, iOS6, iPhone SDK, iPod, iPad,Cocoa, Cocoa-Touch, Android Native SDK * Google Map Service, Foursquare, Apple Map API, MapKit, Geolocation, GPS * Social Networking Integration, Social sharing, Community, SDK, Facebook, Twitter * Photo processing, filtering and effect, Custom Camera using AVFoundation and OpenAL. * Web services, HTTP, JSON, XML, RSS, SOAP, PHP, HTML, HTML5 * Facebook, Twitter, Youtube, Tumblr, Flickr, Instagram, Google plus * Push Notification, Calendar, Alarm I am seeking long term partnership with equally dedicated, professional buyers :-) Repectfully

78% Job Success
$30.00 /hr
38 hours

Kosta P.

Kosta P.

Full-stack Software developer (ROR/Wordpress/MEAN/iOS Mobile App)

Bulgaria - Tests: 11 - Portfolio: 5

"Pleasure in the job puts perfection in the work." I always inspire you, assist you to achieve your idea & goal and your dream comes true. Enjoying work with my clients and focusing on best quality, I provide qualified & cost-effective solution for your application on Web, iOS & Android platforms. 5 years of developing enterprise level web applications in Ruby on Rails, MEAN, PHP MVC Frameworkds. Worked on very large petroleum analysis platform as lead developer. - Expert in building RESTful APIs and implement MVC single page fronted like AngularJS / BackboneJS. - Memory Cache management using memcache and redis. - Strong experience in modern abstraction markup languages erb, haml, jade. - Amazon and heroku expert in deploying app using composer/capistrano/unicorn/nginx. - Unit/Integration Testing using Rspec/Capybara(Webkit) for Rails App and Jasmine for Javascript frameworks. - PostgreSQL, MongoDB, MySQL expert with effective DB design. - Use Git daily for version control (Github & Bitbucket preferred). - Bootstrap & HTML5/CSS3 is my mandatory area. 6+ years experience in developing mobile applications compatible with iPhone, iPad, Android Phone & Tablets.

$44.44 /hr
244 hours

Alin Barbu

Alin Barbu

Developing high quality native apps.

Romania - Tests: 4 - Portfolio: 7

iOS Development | Android Development | UI/UX Design | QA Testing | Backend Solutions | Project Management | Bug Fixing | Porting Apps Between Platforms I am a full-service mobile developer and our mission is to help entrepreneurs and business owners expand their reach in the rapidly growing mobile marketplace. I have always worked towards putting together a solid team of experienced engineers, able to properly handle all aspects of development. From simple but intuitive principles to complex functions and backend coverage, I am always looking for our next big challenge. If youíre interested in starting a new mobile venture, then I am interested in hearing from you. I can provide: 1. Complex functionality I have a wealth of experience in both iOS and Android platforms: tell us what you want your app to do and weíll tell you how it can be done. 2. Integration with 3rd party APIs A lot of remarkable technology is already available which can be used to enhance the userís experience. I know how much this can improve an appís value and we never shy away from using the latest trending APIs. 3. Eye-catching designs I know how important it is for each app to have a unique and attractive look. That's why design is very important to us and our creative team has always come through in this regard. 4. Stability I will ensure the app is functioning properly and resists to stressful situations. 5. User-friendly, intuitive layouts I understand the importance of providing the user with a pleasant experience every time they access the app. This is another key focus that will always be covered in the design stage. 6. Feedback and consulting Having been in this business for a long time, we can provide our clients with thorough insights and qualified suggestions. I take a genuine interest in the apps we work on. You can always expect us to welcome questions and discuss the project together. 7. Quality Guaranteed Once an app is released, we provide a 6 Month Quality Guarantee. If any issues were to arise during that time which fall within the scope of the project, I will handle them free of charge. Our General Approach to Development: 1. Project breakdown Review the scope of the project; determine requirements and provide an approximate cost 2. Wireframing Create a visual representation of the project breakdown See example here: 3a. Graphic Design Decide color palettes, create layouts, icons etc (overall branding and design of the app) 3b. Web and Backend work At this stage, we also begin work on any 3rd party requirements the application might have. 4. Development We provide development builds and updates regularly (at least twice a week, but sometimes as often as every day) 5. Client Approval We work with the client until the app has been successfully released on the App Store. If needed, we can provide several small iterations for comparison. 6. Post-Production Support After release, we provide a 6 Month Quality Guarantee. If any issues were to arise during that time which fall within the scope of the project, our team will handle them.

$33.33 /hr
30 hours

John Kinder

John Kinder

Software Developer

United States

Highly skilled objective-c developer, with over 10 years working on mostly large complex projects; worked extensively as web service client; good knowledge of Core Data, Core Animation, Cocoa and AppKit; familiar with iOS and anxious for more; adept at learning new APIs and code bases; quick coder and debugger, quality work.

$65.00 /hr
149 hours

Taiwei G.

Taiwei G.

Senior iOS developer

China - Tests: 11 - Portfolio: 2

I am a full-stack mobile expert. I have 7 years of experience in iOS and Android app development. For last 2 years, i have already developed many big and complex mobile social projects. I also have a wealth of experience using Storyboard, xib on Xcode. I am familiar with many others including many kind of iOS frameworks, 3rd-party frameworks too. My current software development language is Objective-c, Swift, Java, Php, etc. I enjoy working with mid-sized and big businesses where i can interact directly with clients. I look forward to working with you as a long term partner as well as your developer for any additional projects you need assistance with.

89% Job Success
$33.00 /hr
434 hours

Ireneo Decano

Ireneo Decano

Senior iOS8 & Android Developer with Web back-end API,

Singapore - Tests: 9 - Portfolio: 8

Over the last 7 years, I have developed a wide range of Geo-location & Tracking & Weather apps, Mobile Photo Processing apps and Video Processing apps, OpenGL drawings app, Social networking apps, Business apps, 2D games successfully. I recently developed a product that is doing well in App Store and Android market for several clients. My reputation for mobile apps expert is well established due to high quality, quick delivery, and competitive prices from my clients. My product apps have been selling extremely well on App Store and I recommend them to you with utmost confidence. There are few manufacturers who are making these good apps, so I would advise you not to waste any time in placing your order. You can check my specialist lists on following functions. Our apps include following functions. • Cocos2D, OpenGL, Corona, Box2D • iAd, Adwirl, Revmob, Admob, Chartboost, Tapjoy, Flurry, Testflight, • Google Map, Foursquare, Geolocation, GPS, Open Street Maps •, JSONKit, RESTKit, godaddy, bluehost • Photo Processing Technology (filter, edit, booth, etc). • Speech Processing Technology(Speech Recognition, Text-To-Speech, Voice Translation, Filter, Noise Reduction, Speech Codec, etc) • Video Processing Technology.(Streaming, Editing, Cropping, etc) • Paint and Drawing(draw in OpenGL) Technology. • Bar- code and QR code scanning. • Dynamic PDF Report Generation Technology. • IP camera connection Technology. • iCloud, iBooks. • Facebook/Twitter/Google+ APIs, Email, SMS, MMS. • In App purchase • Push Notification (Remote and Local) • Web service: XML/JSON, REST/SOAP • HTML5, Ruby on Rails, PHP, ASP, JSP, C# and their frameworks • MySQL, SQLite, Oracle, SQL Server, ODBC etc.

50% Job Success
$35.00 /hr
32 hours

Sam Kloosterboer

Sam Kloosterboer

Talented Mobile Developer (iOS/Android/Social/Web)

Netherlands - Tests: 11 - Portfolio: 6

Thank you for checking my profile! I am highly motivated and responsible developer. I have good communication skills. I am hardworking person who is willing to achieve the goals. I always get best results in my projects. I have knowledge in C++, Objective C, Java and Corona, Xamarin, Unity3D etc. I have 5 year of experience in developing iOS/Android apps before I started to work here on oDesk. If you decide to work with me I can guarantee that you will be happy with my work, cause I prefer to work hard and honestly. Working with me, you can always count on a good quality of work, good terms and bonus as additional options. As for my personal qualities, I can say that I am a perfectionist. I suppose that this feature really helps me in my work. Hope for working with you. Best regards.

$50.00 /hr
17 hours