Top Upwork Freelancers

More options
Clear all filters
  1. Serge Mosin

    Serge Mosin

    Python | Django developer

    Russia - Last active: 18 hours ago - Tests: 6

    I am an educated computer science/math specialist (Masters diploma with honors in this field). I have experience in developing sophisticated server based/desktop applications. I have verified skills in Python based development, including Django and other frameworks. I always keep pushing myself towards better code quality and most effective development practices to deliver best possible work suiting deadlines. I really enjoy what I do and I want both me to be proud of my job and my client be happy using it.

    Groups: Application Developers Alliance

    $35.56 /hr
    1,697 hours
    5.00
  2. Kashif S.

    Kashif S.

    Ruby on Rails/ Java programmer

    Pakistan - Last active: 18 hours ago - Tests: 2

    Ample experience heading and leading large teams while working on domains from low level linux kernel driver to high-end web and mobile applications. Over time, interacted with professionals from around the world including UK, USA, Canada, and Japan. Have hands-on experience of social websites, B2B (Business-to-Business) e-commerce applications, and Caching systems. In addition to writing clean and efficient code, also responsible for implementing and enforcing agile practices as SCRUM master. Contributed in different presales activities where proposed suitable solution and technologies according to clients needs

    $30.00 /hr
    1,020 hours
    5.00
  3. Danny Toi

    Danny Toi

    Web Developer - NodeJS, AngularJS, PHP

    Malaysia - Last active: 18 hours ago - Tests: 2 - Portfolio: 1

    Hi, I am Danny from Petaling Jaya, Malaysia. From the very beginning of my career as an IT developer, I take every single moments of my life as an opportunity and try to act on it. I am very keen to keep long-term, trustworthy relationships with clients all around the world. I believe that choice, not chance, determines my destiny and hope to make the beneficial and realistic choice with you.

    $60.00 /hr
    2,946 hours
    4.97
  4. Ivan Bulanov

    Ivan Bulanov

    Senior Software Engineer - Java/Python/Javascript/Adobe Flex

    Russia - Last active: 1 day ago - Tests: 7 - Portfolio: 3

    My core competency lies in understanding the needs of my clients and building ground-up algorithmically and architecturally challenging solutions be it a web, a desktop or a mobile application. I turn ideas into palpable reality. My range of expertise includes Java (J2EE, SpringFramework, JBoss, GWT, Maven), Javascript ( React, Node.js, Meteor, RxJS, Knockout, JQuery, Backbone), Python (Pyramid, Django), ActionScript 3 (Flex 3/4, Cairngorm, PureMVC, Parsley, Robotlegs), C++ (OpenGL, Qt, wxWidgets), Unity3D, Semantic Web (RDF, SWRL, Jena Framework, Protege), HTML5, basic Linux administration, Git, Mercurial, Subversion, PostgreSQL, MySQL, Vagrant, Ansible, Google App Engine (GAE), Salesforce. I am from Russia (Eastern Europe).

    $35.00 /hr
    1,000 hours
    5.00
  5. Karla C.

    Karla C.

    Product Manager / Creative Director / Mobile UI and UX Designer

    Philippines - Last active: 1 day ago - Tests: 2 - Portfolio: 12

    Hello! I'm Karla, an experienced, insightful and passionate user experience and user interface designer with an extensive background on desktop and mobile projects. I strive to make mobile and desktop interfaces a much better place by designing thoughtful user experiences, one application at a time. Let's discuss on how we can work together to turn your business idea into an even more awesome product! You can get in touch by inviting me to a project via oDesk, or by getting in touch through: You can also view my profile on Dribbble, an exclusive community where all the best visual creatives hang out: DRIBBLE: http://dribbble.com/karla

    Groups: MailChimp Experts Group

    $44.44 /hr
    1,373 hours
    4.88
  6. Tommi A.

    Tommi A.

    Top iOS 7,8, Swift, WatchKit, Android, iBeacon Developer

    Poland - Last active: 18 hours ago - Tests: 6

    Hello Clients! I have over 8+ years experience in iOS and Android app. So I've enough skills in the iOS and Android app development. If you are looking for a highly skilled iOS & Android development expert with depth of knowledge, professional attitude, excellent communication and the highest code quality, I am the person you are looking for. I have much experience in - iPhone/iPad/WatchKit Apps Development with XCode & Objective C & Swift(5.0 ~ 8.3) - Native Android development with Eclipse & Java - Push Notification (APNS, GCM) - Detecting Proximity with iBeacon - Integrating in-app purchase - UI design of iOS and Android app - Video/Audio processing - Integrating iAd and Admob - GPS/Geo Location - Integrating XMPP for chatting. - Camera/Photo manipulation - Managing database(SQLite, Core-Data Model) - Integration of Social Networking(Facebook, Twitter , Instagram,...) - Video/Audio Streaming, Video Editing, Decoding/Encoding - Web Service, Ajax, XML, JSON - Integrating of Parse.com - Back end admin panel I can assure you Credit, Robust Performance, Top Speed,High Quality I can work 40+ hours per week. I will do my best effort to provide you the Best Product with Best Quality. Thanks a lot Best regards.

    $50.00 /hr
    1,030 hours
    4.96
  7. Ray Craighead

    Ray Craighead

    Adobe Illustrator, Photoshop, PowerPoint, Portraits, HTML5 Animation

    United States - Last active: 3 days ago - Tests: 12 - Portfolio: 56

    I strive to provide superior illustration and design services to clients through good communication and effective use of digital media. My specialties are: Freeland Drawing, Portrature, Vector Drawing (Adobe Illustrator), Adobe Photoshop, Adobe InDesign, Google SketchUp, PowerPoint. With 37 years of illustration and design experience and as an active contractor on oDesk since 2009 you can be confident when hiring me for your next project, large or small.

    $60.00 /hr
    1,300 hours
    4.89
  8. Andrey Nikolaev

    Andrey Nikolaev

    Magento Certified Developer

    Russia - Last active: 18 hours ago - Tests: 6 - Portfolio: 10

    I am Magento Certified Developer - http://www.magentocommerce.com/certification/directory/dev/781460/ I can do full complex build of site or Magento store build for you! Include all backend (PHP5, MySQL, Magento, WordPress, Bitrix) and frontend (HTML5, CSS3, jQuery) work! My skills: - Magento extentions - development, customization, integration, resolve conflicts - Magento templates\themes - full HTML5\CSS3\jQuery responsive/adaptive design solutions - Magento API - E-Commerce SEO - Migration to Magento from other E-Commerce CMS - WordPress - creation, integration, customization of templates and plugins - Responsive/adaptive web design (based on html5, css3 which fine work in most popular browsers, tablets and mobile devices). - Working with AJAX and jQuery - PSD -> HTML - Twitter Bootstrap

    Groups: ebay, Magento Certified Developers

    $77.78 /hr
    1,158 hours
    5.00
  9. Jiang Jian

    Jiang Jian

    Android / iOS & 3D Developer

    Hong Kong - Last active: 1 day ago - Tests: 6 - Portfolio: 1

    Thank you for attention to my resume. ***** Android Phone & Pad App Devlopment ***** I have 5+ years experience of Android App Developing. * Make full use of many Android UI. * Proficient with Android SDK * Extraordinary skills with Java, MySQL, * Extensive knowledge of various programming dialects (C++, JavaScript, HTML, CSS) ***** iPhone & iPad App Development ******** I have 1+ years experience of iOS App Developing * Make full use of iOS App's UI * Swift language for iOS 8 ***** 3D Application Development ***** i have 3+ years experience of 3D application Development * OpenGL & DirectX on Desktop and OpenGLES on Mobile * Terrain Rendering with ROAM * Shaders(GLSL, HLSL) for Lighting, Texturing, Bump mapping, Parallel mapping. * Navigation in one Building, in small Street, in City with large amount of buildings ***** my speciality as DEVELOPER ***** * Extraordinary interpersonal and communication skills. * Team work adept * Able to perform individually as well * Strong organization skills * Deep knowledge of computer software troubleshooting and debugging * Strong ability to think and act quickly Thanks. Jiang.

    Groups: Application Developers Alliance

    $45.00 /hr
    1,049 hours
    5.00
  10. Lucas Leon

    Lucas Leon

    Senior - iOS/Android/Sencha/Cordova/AngularJS + Backend

    Netherlands - Last active: 18 hours ago - Tests: 7 - Portfolio: 3

    > Top Rated Upworker with 96% job success rate from 2500+ hours of service. > Upwork Verified iOS developer - Swift Test Writer! Hello, As a 24/7 hardworking professional with 10+ years of experience in various programming fields, I feel very proud to present myself and my skill-sets in one of the world’s best online-working market place. In those years, I had a few good opportunities to work with big companies and to help a few start-up companies and other medium sized mobile and web agencies. Along with a few technical projects, I could accumulate rich experience with professional technologies like image and pattern recognition, image processing, video/audio transcoding and online streaming on top of general programming skills. Also I could improve my communication skills very much. My key skills and abilities include(not limited to) - Mobile Applications iOS(Objective C, Swift, C++), Android(Object-Orientation, Java), WinPhone, Tizen PhoneGap, Sencha Touch, JQueryMobile - Mobile Games(2D) iOS - Cocos2d, OpenGLES Android - AndEngine, cocos2d-java, opengles Cross - Unity2d, cocos2d-x, corona, HTML5(both canvas, dom manipulation) - Web(both frontend and backend) Javascript, CSS3, HTML5 PHP, MySQL(with Doctrine), JSP, .NET, YII, Webservices, AJAX, RESTful, XML My BYOD devices. - iOS6, iOS7, iOS8 iPhone6, iPhone6 Plus, iPhone5, iPhone5S, iPhone4S, iPhone3GS, iPad, iPad2, iPad Mini, iPad Air2 - Android ICS to KitKat Android Phone: Samsung Galaxy S, S II, S III, S IV, S5, S6, S Note2, S Note3, S Note4 Edge. Android Tablets: S Tab 10 inch, Google Nexus 7, Acer 10inch - Tizen Tizen RQ I always look forward to meeting new clients and helping them with realising their imaginations and with full-filling their needs. I believe that is the best way to put myself in a good use for myself and clients. Thank you!

    Groups: Application Developers Alliance, iOS Swift Test Contributors

    $55.56 /hr
    2,847 hours
    4.94