Top Upwork Freelancers

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  1. Petter J.

    Petter J.

    Web & Mobile ~ 3D Graphics/Image/Video Processing

    Singapore - Portfolio: 17

    I have rich experiences and deep knowledge with Web & Mobile based 3D Graphics, Image & Video programming using OpenGL/ES, DirectX, Shader, OpenCV, FFMpeg, DirectShow, Media Foundation, etc. [ Excellent at ] 1.3D Graphics & Animations, Image & Video Processing. - OpenGL/ES, DirectX, GLSL, HLSL, OpenCV. - 3D graphics and Physics(dynamics). - Image Filters(Effects) and Computer Vision. - ffmpeg, xbmc, vlc, DirectShow, Media Foundation. 2.Android, iOS, .Net, Qt -java, objective-c, swift, c++, c#, Qt. 4.web - HTML5, JavaScript, jQuery - PHP, JSP, ASP.NET Refer to my portfolios and various my products relevant to graphics.

    $33.00 /hr
    978 hours
    4.12
  2. wang suo

    wang suo

    Senior iPhone|Android|Web|Social|Database Expert

    China - Tests: 2 - Portfolio: 9

    Thanks for your visiting my profile! During last 7 years. I am a talented and wise iOS, Android and Web developer. I have developed many iOS and Android app such as Social Networking, Audio and Chatting, Video and photo sharing, GPS and Google map service and so on. My experienced experts are creative, with wide thoughts, innovative, strong sound of each technologies and having best quality to work. Also Swift appears as a new language of iOS app development. Now, I am the developer for a project which needs to be coded in new language, Swift. If you are looking to build a top 1 app in categories like Social Networking such as Photo&Vidseo sharing, Messaging, Dating, Navigation, Social Game, Fitness, E-commerce then you've come to right place. Thanks for consideration.

    $33.33 /hr
    41 hours
    5.00
  3. Rebecca B.

    Rebecca B.

    Experienced QA Tester

    United States - Tests: 2

    Experienced QA and Pre-QA testing for the past eight years for Goldman Sachs, a major US investment bank, testing in-house developed applications. I have solid experience in testing the following: -All major web browsers (IE, Firefox, Chrome, Safari) -Functionality testing -regression testing -black box testing -functionality testing -GUI testing -Mainframe testing I work very closely with developers and users (as needed) in developing, creating and executing test scripts. I am very comfortable testing on various platforms. I am very experienced in using various bug tracking software applications (i.e. JIRA). I typically use BrowserStack to test on multiple platforms and devices. I am also able to do automated testing through Selenium using Selenese. I have worked on over 20 projects that span users and developers all over the world. This would include users and developers in India, China, Singapore, France, UK, Spain, Italy, Brazil and the US. These projects include brand new functionality, enhancements to existing pieces of software, and brand new software. I love to work with developers and users globally. I am a quick learner and self starter. I am able to learn any new piece of software you can show my quickly and accurately. I am looking to make sure your clients have best online user experience possible by checking for mistakes and inconsistencies in your product. I look forward to hearing from you.

    $20.00 /hr
    79 hours
    5.00
  4. Laxmi N.

    Laxmi N.

    7 years of experience in Python, Django, HTML, scrapping, data mining

    India - Tests: 7 - Portfolio: 5

    Hi, 7+ years of experience in IT industry, 5+ Years Python 4+ Years Django My other technical expertise are, • Javascript • Django REST framework • Scrapy • GAE • GIT • Pinex • MySQL • HTML • UBUNTU On python itself I have worked on different kind of projects like • Scrapping the data by using urllib, urllib2, mechanize, beautifulsoup, CSV, re and many more libraries • Developed web application on Django framework • Automation script to maintain the database for getting data from LDAP • Database maintain scripts by using MySQLDB, cx_oracle • Migrated Django site to apache server by using WSGI These are some of the applications on which i have i have worked on, https://etp.fireeyecloud.com https://www.rowapparel.com/ http://www.healthline24x7.com/ http://travelingtommyandtammy.com/ I am a versatile software developer, whatever technology given to me I have done it, I am an expert to scrapping the data from the sites but I can do any task which is given to me, I am a hard worker with fast learning capability. I am team player; I have started my carrier as a trainee lowest label in the team, now I am a senior engineer, so I have experience of how to deal in team work as a team player. I appreciated thrice by Google senior manager and got appreciations awards. Thanks & Regards Laxmi Narayan

    $25.00 /hr
    1,155 hours
    4.97
  5. Anatoly P.

    Anatoly P.

    Expert in iPhone, Android, PHP,NodeJs,AngularJs,Sql

    Russia - Tests: 9 - Portfolio: 8

    Expert Developer in iPhone, Android, jQuery, Angular.js, Node.js, PHP, Bootstrap, MongoDB, Yii, Zend, symfony Service Description - Mobile & Web Programming > iOS,Android App development > Angular.js > Node.js > PHP and popular OOP framework such as Zend, Yii, CakePhp, Codeigniter > Bootstrap > MongoDB Why choose me: 1. More than 10 years of professional experience in multinational software companies. 6 years of which was devoted as a Project Manager. 2. Relevant experience handling multiple responsibilities: as a web programmer, virtual assistant, project manager and frontend developer. 3. Responsible, highly resourceful, detail-oriented, reliable, goal-oriented, relentless, self-motivated, open-minded, and willing to learn. Which are unlike other developers: -Quick response time -Attention to detail -Quality Assurance testing with submission of error free work -On time delivery -Delivery of work precisely according to specifications -Clear and excellent communication through chat n call (as client prefers) -Delivering the best quality of work

    $33.33 /hr
    727 hours
    5.00
  6. Ajay Saini

    Ajay Saini

    Expert LAMP Developer and Mobile Apps API Developer

    India - Tests: 3 - Portfolio: 7

    More than 4 years of experience in Web Development and Mobile Apps Development. I have worked on complex back-end management systems including content management, e-commerce, customer relations and communication interfaces. The projects based on PHP, Ruby On Rails and Node JS in conjunction with various other web development technologies. PHP (pure PHP, PHP with OOP, Frameworks like Symfony, Laravel, YII, CodeIgniter), CMS like Wordpress, Zuha, Joomla. Besides that I am much familiar and experienced in SQL (generic SQL, MySQL, PostgreSQL, ORM), JavaScript (generic JavaScript, JQuery, AJAX). I have also worked on Node JS and Ruby on Rails as back-end technology in mobile apps and Web development. I have keen understanding of Amazon EC2 services like S3 bucket setup, Beanstalk Setup, Creating AMIs and other services of amazon.

    $14.00 /hr
    51 hours
    5.00
  7. Shahid Iqbal

    Shahid Iqbal

    Software Engineer

    Pakistan - Tests: 3

    3+ years of working experience in software development having handsome experience in Microsoft Dot Net technologies ( including C#, VC++, ASP.NET, WPF, Windows Form and WCF ), Android (both native and phone gape), Cloud Computing( Azure + Amazon), C++, SQL, and JAVA. I have written code in C++ on portable layer for mobile devices using Phone Gape for all plate forms including Windows, Android and iOS. I also have some experience in the following areas: Ajax, OOP, CSS, JavaScript, jQuery, WIF, WWF, REST and software design.

    $20.00 /hr
    2,250 hours
    5.00
  8. Boris Sokolov

    Boris Sokolov

    Expert iOS App Developer with various mobile development experience

    Russia - Tests: 9 - Portfolio: 9

    Provide the best service with detail-oriented professional with a vast knowledge of software, framework and strong leadership skills seeking to well-versed in structuring, developing and implementing interactive mobile & web solutions, assisting clients in all troubleshooting endeavors. Have developed 100+ mobile apps of following categories. - Social networking: Like & Share, Dating service, Events management, Messaging services - Finance & Business: Card reader, Budget management, Stock chart, Currency Converter, - Health & Fitness: Fitness training, Running, Bodybuilding, Health Training for women, WeightLoss, - Photo & Video: Instagram, Photo-booth style, Greeting card, Frame & Caption - Catalogues: Real-estate, Hotel & Flight, Food & Recipe booking, - Geo location navigation: Travel, Find near - Education: Language learn, Storybooks, Game for Kids - Lifestyle: Fashion & Shopping - Medical: Health care, Medical service - Health & Fitness: Workout, Bodybuilding Training, - Cinema, Music, Radio, TV, Streaming apps - News, Sports, Travel, Weather, Magazine apps -Delivering top quality with professional service -Always work with creativity and fast paced development -Devoting my full time, since this is my full time position. My major areas are xcode, cocoa, cocos-2d, twilio, storyboard, core-java, javascript, j2me, swift, NDK, eclipse, ios8, keyboard framework, ios-development, iphone-app-development, ipad-app-development, iphone-ui-design, ipad-ui-design, mobile-app-development, android-app-development, iphone-ui-design, ipad-ui-design, location-based, food & recipe, real-esate, restaurant, hotel-flight booking, nurturion, health-care, fitness, photo editing, video editing, social sharing, messaging, dating, timer/reminder app-development, ibeacon, github, basecamp, xmpp, streaming(wowza), parse, aviary, gpu, in-app purchase, gps, amazon, xml/json, rest/soap, facebook, twitter, instagram, youtube, vuforia, icloud, iAd, adwhirl, revmob, flurry, paypal, stripe

    $55.56 /hr
    435 hours
    5.00
  9. Roman Gorodeckij

    Roman Gorodeckij

    Full-stack engineer / Python Developer

    Lithuania - Tests: 4 - Portfolio: 3

    Previously: Dell inc. as Senior Software Engineer, Barclays as Senior Cloud/Unix Engineer. Specialties: High Availability Systems, Clustering Environments, Cloud Computing, Unix environment Primary Skills: Development, Scalability, Deployment in other words SOA and REST is everything in IT. 3 Years python/django developer with 7 years of PHP background. 10 Years of Linux administration. 1 Year of Openstack development, deployment Some technologies which I've been using recently a lot: ansible, chef, saltstack, mongodb, cassandra, redis, rabbitmq, celery, node.js, angular.js [bootstrap, google materials], ceph, nginx, gunicorn, zeromq, sensu, logstash Disclaimer: oDesk is not perfect. Sometimes you've got a client with low response rate, when project goes for months, and in the end, client appears to be doesn't know difference between backend and front-end and API terms.. And we ended up with a work which client didn't intended me to do. He didn't check my results even once during 1 month period! I'm trying my best, but sometimes there's conflicts between which technology to use, while I've been hired to code with flask framework, client requested to use other framework which I've been not familiar with. It's no problem to learn it but, I'm not into legacy stuff so I've refused to processed, at least because, as always, I'd be the one to blame, when their proposed solution, would fail their expectations. This would end up in blames regarding my competence in my field, although the solution was not meeting our use-case :) Please choose technology responsibly, and only if you're an expert in that field, and not because "you've heard it somewhere" :) If you're a client who wants a time saver in your team, a guy who knows his field as best as he can, a person who will bring you valuable solutions, I'm the one to go with. But all above works only when you trust me and you'll communicate with me constantly.

    $25.00 /hr
    1,021 hours
    4.46
  10. Rajeshwari Yadav

    Rajeshwari Yadav

    Expert iOS and Android Developer

    India - Tests: 5 - Portfolio: 9

    From the last 5 years, I have been involved in Mobile Apps development especially in iOS and Android projects, using maps, HTML Parsing, Web Services, Push Notifications, Core Data/SQLite databases, regular expressions etc. From past Two years I have also managed large Android/iPhone/iPad Apps, acting as analyst/architect and managing team of developers. So I have good experience in the following areas:C#, Java, Delphi, Android, PHP(Wordpress, Joomla), JQuery, Mysql, Html, CSS ,iphone, IOS, JavaScript, MSSQL programming and software design.. My expertise in Deliver the Quality of Apps in Required Time Frame.

    $12.22 /hr
    1,303 hours
    4.98