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Google App Engine API Upwork freelancers typically receive a client rating of 4.79.

Last updated: October 1, 2015
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Konstantin Burov

Konstantin Burov

Java & Android Developer

Australia - Tests: 12 - Portfolio: 5

I have extensive Java experience over the last 8 years and more then 10 years of HTML and CSS development. I participated in a wide range of projects that made me to learn different web frameworks and programming paradigms. I participated in development of several big J2EE applications, including CMS System, Distance Learning System and a social networking site.If you need an expert in GWT, Spring, Tapestry, Hibernate or Android, send me invite to an interview ;) Other technologies I use can be found on my profile. I like challenging projects that can inspire. Take me to one and you'll get good outcome :)

Groups: Android, Sun Certified Professionals

100% Job Success
$111.11 /hr
3,214 hours

Kundan K.

Kundan K.

Java,J2EE,Web service, Open source & Cloud Solution expert

India - Tests: 2 - Portfolio: 1

More than 7 years of experience in Software development and Building cloud solution on Googla App Engine and Amazon AWS platform also Worked on noSQLand Big data I have a strong bias towards open-source customization and worked as a open source ERP, CRM, CMS, POS and ECM consultant. i also worked on service oriented architecture and enterprise system integration and integrating legacy system. I have real working experience in following open source product. ERP and CRM- Opentaps,ADempiere and openbravo. CMS- Dotcms, Magnolia CMS Enterprise POS- Openbravo/Unicenta and Florent POS for Restaurant ECM- EMC Documentum and openKM No SQl/Big data- MongoDB, Google Datastore, Apache cassendra and Hadoop IDE: Netbeans, Eclipse, Oracle JDeveloper, EMC Composer. Key Skills: Java, J2EE, HTML5, Angular JS, Node.JS, ExtJS, JavaFx, Web Services(SOAP,REST),Google App engine, Amazon Web services, Junit, Maven, XML, WSDL,Android, Linux. Frameworks: JSF (Primefaces, Richfaces), Hibernate, JPA, Struts, EJB, Spring MVC, Spring Security, Vaadin. Good experience in source code version control using Git and SVN, I am good in designing Single page application using AngularJS, Bootstrap and Spring MVC. Huge experience in Google app engine, Google Cloud SQL, Datastore and Frontend development, Payment gateway Integration (Paypal,, Nosql database, Elastic and semantic search. Hadoop Map reducer.

70% Job Success
$22.22 /hr
1,193 hours

Partha sarathi R.

Partha sarathi R.

Google White Hat SEO Expert, SEM, SMM, Link Building, Project Manager

India - Tests: 2 - Portfolio: 6

Its 2015. Google and other Major Search Engines have changed Algorithm and indexing method. But I always follow the current Google Algorithm and White Hat Technology only. I always work with 100% CHALLENGE and GUARANTEE for any kind of Local-Global SEO project. I am 7+ years well experienced on Internet Marketing field. Till now I have worked on a lot of Internet Marketing Projects with Success too............. Success Steps Of Local And Global Internet Marketing Project.................... 1> Install and Activate Google Webmaster Tool and Analytics with Verification. 2> Fix the Website's errors and check in W3 Validator. 3> Do Keyword Research with Google best tools(Adwords, Market Samurai, Keywordspy, Google Keywords Planner) and manually also. Find and choose BEST - PROFITABLE - BUSINESS MOTIVATED keywords. 4> Focus on On-Page and make site keyword rich in SEO Friendly Manner. 5> Start Off-Page SEO Updates Daily based on High quality Job. 6> Take Special Care for SMM,SEM,SMO,DMO also. 7> Daily adding a lot of Friends and getting huge Followers is most vital part of SMM. Create Site's theme and logo based background design. 8> Always work on High Google PR sites due to get benefits of frequent ROBOT CRAWLING. All works must be White Hat Supported and Google TOS approved. 9> Start weekly Online Marketing through Ezine, PRweb, HubPage, eHow and very High PR Web2.0 sites. 10> For Link Building - High PR, High Quality, Link-Wheel added, Do-follow, SEO-Friendly, Spider Linking, White Hat Based, Attractive, Google TOS Approved and Permanent Live Link on Web. 11> During Content creation, focus on Keyword Density, Do-follow keywords and 0% Plagiarism. 12> Always Working with Current Google Algorithm. Its 2015, Now working with Google Pigeon and Penguin .

96% Job Success
$5.56 /hr
7,918 hours

Arpit T.

Arpit T.

Expert iOS AND Android Developer

India - Tests: 3 - Portfolio: 13

I have more than 7 years of experience in Mobile Application.I have track record to deliver project in timeline and reasonable budget. For client satisfaction i available daily at-least 2 hours for showing project report. My skills and experiences are following :- 1. App 1) Social Networking( Facebook, Twitter, Instagram, ... ) 2) Integration with Web Service( XML, JSON, SOAP, REST, ... ) 3) Database Management( SQLite ) 4) Augmented Reality(Metaio, Vuforia, PointCloud.IO, D'Fusion, String, ARToolKit, ...) 5) Google Map, GPS Location. 6) Audio Processing 7) Photo Manipulation( GPUImage ) 8) OpenGL ES 2. Other Features 1) In App Purchase 2) Push Notification(, UrbanAirship,... ) 3) Advertisement( iAd, AdMob, RevMob, ... ) 4) Leaderboard, GameCenter... Thanks & Regards , Arpit Trivedi

Groups: Application Developers Alliance

91% Job Success
$16.67 /hr
2,224 hours

Karan M.

Karan M.

Expert in PHP | WordPress | Joomla | PrestaShop | XML | Api's

India - Tests: 2 - Portfolio: 3

I am Karan Mehta, a Web Developer with excellent PHP, MySQL, jQuery, Joomla WordPress, HTML5, and CSS3 skills. I am extremely responsible and very easy to work with. Delivering high-quality and timely work is my number one goal. I have been active in all stages of Web Development for the last eight years with PHP, MySQL, HTML and CSS. My Experience also includes working with Java Script, jQuery, SEO, Joomla and WordPress as well as many other popular CMS applications. I have working knowledge of various server platforms such as Win2k, Win2003, Fedora Linux, Debian Linux, and Trustix Linux. I am also skilled and have experience in the field of digital design. The websites I develop are cross-browser compatible, and can be optimized for tablet and smartphone using HTML5. I also have experience optimizing websites with the latest SEO techniques. Service Description I am based in Chandigarh, India. with clients throughout the United States and Europe. All my clients receive the highest quality, professional service. You will appreciate the Total Emerson Approach I provide to every project large or small and every client, web savvy or newbie. I understand business and marketing. Your project is a part of your business/marketing strategies, Understanding this and maintaining that focus is how I produce and deliver captivating media that is effective. I know the Web. If your needs are online marketing you want a developer that appreciates all the facets of a successful online presence. You will not even need to ask us, because every website development project comes with promotion and marketing consultation and solid, SEO friendly code. Services Website Design and Development: - Custom, original design - Unique, high Impact styles and layouts - SEO friendly code - Joomla, Wordpress, Magento and other popular CMS systems - Website maintenance services Web Application Programming: - HTML5/CSS3 - PHP/MySQL - JavaScript - Java Content Maintenance Systems (CMS): - Custom ground up programming - Affordable non-boxed solutions - Perfect fit to your exact requirements Ecommerce Development: - Shopping cart development - Third party software design and set up: WHM, WHMCS, cPanel, Plesk, DNS, Sub Domains, API's, Training and Webmaster services.

Groups: LoadedCommerce

91% Job Success
$15.99 /hr
1,471 hours

Le Quy Loc

Le Quy Loc Agency Contractor

[Top 10 oDesk] iPhone/iOS and Android Developer

Vietnam - Tests: 3 - Portfolio: 10

. ********Mobile is changing the world****** If you are looking for a developer to turn your idea into world class mobile application and find a long-term partner, I am here for you. With more than 3000 working hours, I am among the most experienced developers you can find on oDesk. Now my sole focus is developing apps for iOS and Android, also design, QA, and submission. My qualifications:  - Programming languages: objective-c, java, android-sdk, web-services, iphone-development, android-development, sqlite, jquery-mobile, html5, ipad, amazon-web-services, cocoa, cocos2d, apple-xcode, eclipse, php… - A work style that is extremely detail oriented - Strong communication skills - A complete Odesk profile I'm very friendly, straightforward, honest, cheerful, hard working and very easy to work with. I am looking for long-term relationship with clients, come and work with me to find out that I am your excellent partner.

Associated with: MOBIONEER Agency, Kiwi

75% Job Success
$22.22 /hr
3,775 hours


Wayne NGUYEN Agency Contractor

High Skilled iOS/Android Developer

Vietnam - Tests: 2 - Portfolio: 11

--- "High Quality, Beautiful Design, Customer Satisfaction" It is my slogan. --- I have extensive experience in mobile development and I have been working in this field for over 5 years. If you want a long term relationship and the very best mobile solutions, just try working with me. I can provide numerous testimonials from Australian, American and European clients. My main skills: - Mobile Device Management for all platforms - Entertainment Apps - Social Networking Apps - Client + Server Apps - SNS(Facebook, Twitter, Linked In, Youtube, Google+ and Instagram etc.) integration - Cloud(Dropbox, Box and SkyDrive etc.) integration-Google Map & Geolocation & GPS-Web APIs & Parser & Backend Mobile App - Video/Audio Streaming - Almost Ad service such as admob, adwhirl ,etc. - Push Notification for all platforms - In-App purchase & In-app Billing-QR Code & Bar Code by ZXing, Scandit... Also with my strong design skills, I will deliver apps with a modern, attractive, simple, and easy to use interface. I provide extremely strong communication skills and a detail oriented work style. Please contact me re your next app development project. Warmly, Wayne

Associated with: Quality Time Software

100% Job Success
$16.00 /hr
2,446 hours

Zhenhua J.

Zhenhua J.

iOS and Android Developer

China - Tests: 14 - Portfolio: 14

I am one of oDesk-Verified mobile developers with 4.98 star rating and 6300+ hours billed. I have been developing iOS & Android apps over 5 years. During the meantime, I have accomplished valuable experience in mobile field. Especially, I got my main talent for Social apps, Quiz&Puzzle Apps, Image coloring & processing, Backend-communication Apps. Please make me happy to hear your idea, so I will make you happy with my works. My Preparation: 1) Development Platform: - MacOSX 10.8.2+ / XCode4.6+ / iOS5+ - Android SDK 2.2+ 2) Main Skills: - Quiz, Puzzle - Image Coloring, Captioning, Filtering, Camera & Gallery - Communication with backend-web server with JSON, XML - Apple Map, Google Map, GPS, Augmented Reality -, UrbanAirship - QuartzCore, CoreData, OpenGL ES - Sqlite, Mysql - Cocos2D, Cocos2D-X, Box2D, Chipmunk 3) Accessories - Game Center, In-App Purchase, Push notification - Social integrating with Facebook, Twitter, Google+, Youtube, Instagram - iAd, Adwirl, Admob, Revmob, Chartboost, TapJoy, Cerebro - Github, Testflight, Dropbox - Bug sense, ACRA Thank you for your reading. Zhenhua Jin.

83% Job Success
$34.00 /hr
6,477 hours