Top Upwork Freelancers

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  1. Nevill Nguyen

    Nevill Nguyen Agency Contractor

    Hybrid Mobile App & Web Development Expert

    Vietnam - Last active: 19 hours ago - Portfolio: 1

    As a Full-Stack Developer with 12+ years of experience in different fields (Education, Financial, Internet Portals and Marketplace…). I specialize in Hybrid Mobile application development and Web Application development. I can work from front-end to back-end, it means that I have a familiarity with each layer of development. My skill sets include: Frontend skills: * Hybrid Mobile framework: Ionic framework, Intel XDK, Cordova, Phonegap * MVC Frameworks: Angular.js, Backbone.js * HTML5 (audio, video, canvas, geolocation, localstorage), css3; * Javascript, JQuery, Ajax; * Adaptive layouts/frameworks: Bootstrap, Skeleton Backend skills: * C#, .NET Framework, Web API, Apache Solr, Local cache * PHP, javascript/node.js; Databases: * Relational: Microsoft SQL, Mysql, PostgreSQL, Oracle; * NoSQL: MongoDB

    Associated with: PowerGate Software

    $13.33 /hr
    0 hours
    5.00
  2. Meena K.

    Meena K. Agency Contractor

    Sr. Mobile Apps Developer | IPHONE|IPAD|ANDROID

    India - Last active: 20 days ago - Tests: 4 - Portfolio: 9

    Over the last 5 years, I have developed a wide range of MobileApp & MobileWeb including **iPad, iPhone, XCode **Google Android, J2ME **Windows Compact Framework, Phonegap **Titanium, Sencha Touch and jQuery Mobile. I also have good experience and expertise in the following technologies: ♦Mobile App & Games: ♦Corona SDK Games and Apps ♦Cocos2D/Box2D/Unity3D/OpenGL Games ♦Social Network Applications with the Facebook/Twitter API ♦QR code & Bar Code ♦In-App Purchase Experience ♦Push Notification Experience ♦Game Center and OpenFeint Experience ♦Submitting Apps and Games to iTunes store and Marketing ♦JSON/XML/REST Web-Service ♦Core Data,Mac OS Kernel Program Experience ♦SQLite 3.0 Experience. With passion and with strong educational background, I learned to follow the international standards for quality assurance and I always ensure both really fast turn-around and high quality. I'm aiming at building highest quality apps more competitive than others in the market and I offer the most cost-effective solution for this. *If i am given a job, I am very confident that I will execute the project over and above your expectations. I am very sure that the return on investment (ROI) will be over 100% with complete transparent plan of action.*

    Associated with: Mobile Geniee

    $11.11 /hr
    1 hours
    5.00
  3. Fatima K.

    Fatima K. Agency Contractor

    Data-Driven Full Stack Dev Team

    Cayman Islands - Last active: 7 days ago - Tests: 1 - Portfolio: 12

    Experienced Data-Drive team of developers, who has a solid background in Web & Software Development. We specialize in complex projects: from planning, prototyping, designing to executing, using the Agile approach. Actively using Web-Analytics and Adaptive Interface Development skills, we have developed our own formula of High Conversion Rate Increase. Geek22 — we are one of the few Russian companies that knows how to build Web and Mobile Platforms, which adapt to the User Behaviour, thus, increasing your Conversion Rate. Over the years we developed our own very effective online tools and technologies to help the clients reach their goals on the online marketplace. Members of our team have gained valuable knowledge and experience working on Projects for such big Russian companies as RBK, Tinkoff Digital, Russkaya Planeta (Russian Planet), Yandex. In the beginning of 2015 we have been named one of the Best E-Commerce Solution Teams on the Russian Market (you can check it out here: http://www.slideshare.net/efimaldukhov/e-commerce-solutions-listing-v1. Geek22 has been in web development already for 8+ years. During this time we have not only elevated our technical skills, but also gained business development knowledge. Therefore, when we approach a project we look at it from both angles: technical and business. Each Project is Unique and Special for us. We strive to deliver quality and share our experience with each client. We know how to Listen, and make sure that you are delivered what was agreed and expected. Our team includes: 1) Project Managers – our Captain Americas, who guarantee delivery in the right combination of time, scope and price; 2) Mathematicians – our own Reed Richards and Big Data gurus; 3) Developers – our Jedi of of Back End and Front End; 4) System Administrator – our Hawkeye that has his great aim and can spot and defeat even the smallest bugs; 5) Designer – our Iron Man when it comes to awesome design. Has 10+ experience in Web Design. We mainly work with the following technologies 1) Python; 2) Django; 3) PHP; 3) Angular; 4) Backbone.js; 5) Node,js; 6) HTML/CSS; 7) various DB; 8) Vanilla JS / jQuery / AJAX; 9) Big Data / Scaling. However, when we need additional skills or more resources for heavy workloads, we hire from our own trusted pool of developers. Ideally, we would are looking for new/early stage projects, which we can execute from end to end in such areas as: 1) Big Data; 2) E-commerce&Marketplace; 3) Online advertising and marketing (conversion rate optimization); 4) Developing Mobile and Web apps; 5) Prototyping & Design. We work remotely, so no matter where you are, as long as you have Skype, and promise to reply to our emails, we promise to deliver everything in time and with quality.

    Associated with: Geek22

    $22.22 /hr
    2 hours
    5.00
  4. Amit Gite

    Amit Gite Agency Contractor

    Magento (6+yrs) + Android (4+yrs ) + iOS (4+yrs) expert developer

    India - Last active: 19 hours ago - Tests: 3 - Portfolio: 8

    Great ideas, Excellent talent, WOW results, this is what I promise. Young, energetic and result oriented professional smart phone app developer, developing Native iOS(iPhone/iPad) and Android apps & Games, including cross platform apps using PhoneGap, Titanium and Flex which saves you time and money. Providing Customer Satisfaction by offering the best quality within a set time frame is my main discipline. I am aiming at building highest quality apps which should be more competitive than others in the market. Equipped with most up-to-date technologies and always keep a sharp eye on the trends of markets. I have strong expertise in the followings major area of developments: Extensive experience in following technologies ✮ IPhone SDK(4.0 - 7) ✮ Android SDK(2.1 - 4.X) ✮ Titanium ✮ Xamarin ✮ Ruby on Rails ✮ NodeJS ✮ (Backbone.js , AngularJS) Apps + Games.. ✮ Social Networking Apps ✮ Chat and Dating Apps ✮ Health & Fitness Apps ✮ Food & Drink Apps ✮ Multi-restaurant Apps ✮ Navigation Apps, GPS & Location based Apps ✮ Photo Editing & Sharing Apps ✮ Photo & Video Apps ✮ Travel Apps ✮ Utility Apps ✮ Trivia Quiz Games ✮ Interactive Book and Magazine Apps ✮ Augmented Reality Apps ✮ Games ✮ Bar-code/QR Code scanner based Apps Frameworks, APIs.. ✮ iOS, Android, jQuery ✮ Web Service ( PHP, JSON, XML, SOAP, WSDL, Parse, Google App engine framework) ✮ In App Purchase, Paypal, Google checkout, iPay88 and others ✮ Push notification/GCM ✮ Face book API, Twitter API, LinkedIn API, Google+ API ✮ Google API,GeoLocation, Instagram API, Youtube API ✮ Advertisement ( Ad Mob, Ad whirl, RevMob, Chart Boost, Google Ad) ✮ Flurry, Test flight ✮ MySQL, SQLite, HTML5, PHP, JSP ✮ Cocos2D, Box2D ✮ Game Centre ✮ Camera & SMS API I am always available to provide my clients.. - Excellent Support. - Effective Communication. - Commitment to Quality. I am good in staying in touch with the clients to give them proper and regular updates. I dont disappear in the blues. I have a proven track record of quick turnaround. I have latest android and apple products for application testing i.e. iPhone 5S, iPad 5 with Retina Display and iPod Touch 4th Gen, HTC1, Samsung S4, S3, Nexus 5, Dell tab, Samsung tab and so many more... all this, to ensure the best quality and and to provide the best app. With me you will have a pool of great experience at a very nominal cost. I look forward to work with you on your upcoming projects.

    Associated with: AppsVila

    $16.67 /hr
    6 hours
    5.00
  5. Dina Wadi

    Dina Wadi Agency Contractor

    computer Engineering

    Palestinian Territories - Last active: 2 days ago

    Hello Clients, Thanks for visiting my profile. I can help you build a more attractive WordPress website, easier to use, responsive design , effective SEO , and secure , using the best plugins for your WordPress site Especially , Woo-Commerce websites , I can build your own payment and shipping method , with stunning features , better e-commerce tools and design , and come with 24/7 support , since I have a great experience in WordPress , Woo-Commerce plugin , PHP, HTML5 , CSS3 and JQuery. Also I can translate your plugin " Arabic , English "and give you .po file I kindly invite you to check my portfolio : http://dinawadi.com/en/ I also work as a content management and article rewriting for 3 Arabic WordPress sites I have a sincere commitment to work within time. What is more important is that you find one that fits your unique needs. Here is me :)

    Associated with: Dina Wadi

    $8.00 /hr
    0 hours
    5.00
  6. Alexandra Oshmyanskaya

    Alexandra Oshmyanskaya

    Senior C++, Java, and Actionscript developer, ffmpeg engineer

    Belarus - Last active: 1 day ago - Tests: 2

    Looking for contract full-time, short to medium duration work in the field of C++, Java and actionscript, prefer to work alone but may participate in customer's existing team. Have a good track record of completed project and multiple years of experience in corporate environment. Experience building continuous integration systems.

    $38.00 /hr
    1,696 hours
    5.00
  7. Oleg Taranenko

    Oleg Taranenko

    Sencha Touch/ExtJS programmer

    Germany - Last active: 19 hours ago - Tests: 9 - Portfolio: 3

    Experienced programmer (over 20 years) with solid background in development enterprise level web application (~10 years) looking for the new, preferable long-term project in web/mobile app area. Sencha Touch&ExtJs/HTML5/CSS3/PhoneGap, modern tools for agile development (git/svn/er-modelling/maven/ant/minify/xml/xslt... and much more) inclusive.

    $33.33 /hr
    6,541 hours
    4.64
  8. Lou Torrealba

    Lou Torrealba

    ASP Web Developer

    Venezuela - Last active: 19 hours ago - Tests: 3 - Portfolio: 1

    I would like to join a company where my skills may make a difference. I have extensive experience in Classic ASP + MSSQL. Jquery. CSS. IIS Admin and willing to Telecommute

    $24.44 /hr
    2,105 hours
    5.00