Top Upwork Freelancers

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  1. Gustav G.

    Gustav G.

    Strong Ecommerce Developer

    Sweden - Last active: 6 hours ago - Tests: 8 - Portfolio: 5

    Nothing is impossible. The Smater, Faster and Better. I majored in Computer Science And IT at Dalarna University for 5 years. Then I have developed 2 ERP and a wide range of websites for several companies. Over the last 4 years, As a freelancer, i'v built many online shops using magento and woocommerce. So that I could own rich experience in html5, css3, angular Js, bootstrap, api development, app dev with phonegap and payment gateway integration. Iam sure that my expertise will provide the clients with satisfication and the best quality of my products.

    $38.89 /hr
    58 hours
    4.94
  2. Danny Toi

    Danny Toi

    Web Developer - NodeJS, AngularJS, PHP

    Malaysia - Last active: 6 hours ago - Tests: 2 - Portfolio: 8

    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
    2,962 hours
    4.97
  3. Octavio Coria

    Octavio Coria

    Web Developer

    Germany - Last active: 1 day ago - Tests: 4 - Portfolio: 3

    Expert in Joomla! and Wordpress customization. Extensions and Themes. Custom designed plug ins. I developed several web sites in the last 5 years. Strengths: Responsibility on work and Good Communication skills. Western time zone. Wide cultural background. PHP and Javascript programming. jQuery and Twitter Bootstrap. cPanel and MySQL management. Joomla!, Wordpress & CodeIgniter frameworks. HTML / CSS implementations.

    $50.00 /hr
    1,870 hours
    4.89
  4. Trevor Finchamp

    Trevor Finchamp

    Editor/Videographer with Extensive Graphic Design Experience

    United States - Last active: 6 hours ago - Tests: 2 - Portfolio: 1

    I've always loved to do a little bit of everything creatively. With years of experience filming, editing, and designing I can take most projects from start to finish. I graduated from Wartburg College in Iowa, double-majoring in Video Production and Public Relations with minors in Graphic Design and Leadership. While I am still young, I've already been fortunate enough to work on projects for DisneyNature, the OWN network, and Las Vegas Cirque Du Soleil show. I approach each project and client with respect and will work until you are completely satisfied.

    $33.33 /hr
    147 hours
    5.00
  5. Csaba Toth

    Csaba Toth

    Senior Mobile Developer for IOS8 (SWIFT) & Android, JSON API, Parse

    Hungary - Last active: 1 day ago - Tests: 9 - Portfolio: 11

    Hello *****Best Quality and Fast Speed******* I am a talented Mobile application developer. I have a good experience of Mobile application and games. Also, I have developed a lot of Desktop applications and web development. Mobile device platform: - iPhone 6 plus, iPhone 6, iPhone 5s, iPhone5, iPhone4s - iPad Air, iPad4, iPad3, iPad mini - Google Nexus 5, Samsung Galaxy S5, S4, S3, HTC One My skill-set: - Native: iOS, Android, Windows8 (Objective-C, Swift, Java, C#), JNI, NDK (C/C++) - Hybrid: PhoneGap, Xamarin, Titanium (HTML5, jQuery Mobile, C#) - Web service: XML/JSON, REST/SOAP - Cloud backend: Parse.com, Parse SDK, Parse REST, Parse Cloud Code, Amazon S3 EC2 AWS, Firebase, Twillio, Plivio - Chat & Messaging Engine: XMPP, Jabber, OpenFire, OpenTok WebRTC, Ejabberd, Erlang - Video/audio/image processing: OpenCV, GPU Image, CoreAudio, EZAudio, Pitch Control, Bass, AVFoundation - Video/audio streaming, codec: Wowza, Red5, H.323, MPEG-4 - VOIP, Cloud Communication: Twillio, Heroku, Tokbox - Speech recognition, text-to-speech, Siri, OpenEar - HTML5, PHP, ASP, JSP, C# and their frameworks - MySQL, SQLite, Oracle, SQL Server, ODBC - Facebook, Twitter, Linkedin, Instagram, Youtube, Pinterest, Vimeo - Google Map, Foursquare, Geolocation, GPS, Open Street Maps - Cocos2D, OpenGL, Corona, Unity3D, Box2D - Game Center, In-App Purchase, RPG server - iAd, Adwirl, Revmob, Admob, Chartboost, Tapjoy, Flurry, Testflight - Cloud services: iCloud, Rackspace, Zoho CRM, Salesforce, Azure, AWS, EC2, Dropbox - Mobile Game Genre: Casino Slot machine, Flappy bird, Poker, Chess, RPG, Arcade

    Groups: Application Developers Alliance

    $44.44 /hr
    273 hours
    4.80
  6. Mohammad Mohammadi

    Mohammad Mohammadi

    Journalist, web designer, and researcher with a rainbow of skills

    France - Last active: 1 day ago - Tests: 3

    A seasoned versatile TV journalist for international channels such as BBC, is seeking part time challenges as a researcher, editor, and translator. A combination of my outstanding scholastic records in both English and Persian languages along with extensive experience of working as an editor and a translator within past years give me the ability and confidence to undertake any related jobs. My outstanding IELTS score of 8 (out of 9) evidently proves my high language abilities. I have been also awarded CAE (Certificate in Advanced English issued by University of Cambridge). I have been trained by the the University of Westminster (London) as a language teacher and examiner. I have also been the Persian (Farsi) language teacher of BBC staff.

    $30.00 /hr
    2,660 hours
    5.00
  7. Sergei A.

    Sergei A.

    System Administrator and VoIP Engineer

    Russia - Last active: 2 days ago - Tests: 5 - Portfolio: 1

    I am very experienced(8+ years) linux administrator. Last year I worked with HA projects and have a good knowledge about right architecture of services. My Skills: Linux, Unix, OpenStack, Virtualization Deploy: Ansible(I created modules for it), Chef VoIP: Asterisk, FreeSWITCH, OpenSIPS, Kamailio Web Servers: NGINX, Apache Databases: PostgreSQL, MySQL/MariaDB Scripting: Python, Bash, Perl, Ruby

    $30.00 /hr
    114 hours
    4.95
  8. Christian Abbott

    Christian Abbott

    Django Web Developer and Python Programmer

    United States - Last active: 6 hours ago - Tests: 4 - Portfolio: 1

    Since 2010, I've developed dynamic websites using Python, Django, JavaScript, HTML5, and CSS. I have excellent experience with the major frontend frameworks like jQuery, CoffeeScript, SASS (incl. Compass), and LESS. I also have experience with several popular specialty frameworks like Mezzanine and Phaser. I primarily use git for version control, GitHub or BitBucket for repository storage, S3 or Cloudinary for media, Postgres or MySQL for database storage, and Heroku or EC2/ElasticBeanstalk for deployment. I am active in the Django development community and have contributed to many open-source projects, including: - Mezzanine (a Django CMS) - django-whitenoise (static file server -- a standard for Heroku projects) - django-configurations (class-based Django configuration) - django-shoogie (error reporting app -- a lite alternative to Sentry) - django-nocaptcha-recaptcha (incorporates Google's reCAPTCHA service) - django-simple-friends (a lite social relationship app) Follow my github activity here: https://github.com/abbottc Follow my StackOverflow activity here: http://stackoverflow.com/users/2851824/christian-abbott Since 2001, prior to developing websites, I wrote programs and scripts to handle tasks such as: - enterprise administration of 2500 desktops - tracking computer usage - automated multi-platform operating system imaging - intranet software deployments - interfacing between internal databases and end-user software I am seeking projects which require creativity and experience with Python and Django.

    $55.56 /hr
    621 hours
    4.94
  9. Eric L.

    Eric L.

    Node.js | NoSql | Angular.js | Swift | Android L

    China - Last active: 2 days ago - Portfolio: 4

    *8 years experience of web application analysis, design, develop and implementation *4 years experience of database design and development *Co-Founder of 55tuan.com which is one of the most popular group buying website in China *Strong background working with clients and internal supports to identify requirements, provide analysis, assist with creating customized workflow and develop implementation timelines *Great communication, presentation, and interpersonal skills ============================================================= 1. Once beening senior development engineer worked in Match.com (Asia) Inc. 2. Once beening senior research and development engineer worked in Microsoft (Asia) Research. (MVP) 3. Served as Chief development engineer of SinoPec cloud computing platform project. 4. Served as Technical Advisor in Hulu.com(China) for cloud computing platform. ============================================================= And now very happy to be a freelancer & good ha

    $30.00 /hr
    2,929 hours
    5.00
  10. Alex Kondratiev

    Alex Kondratiev

    Cloud Servers Expert | Senior Linux Administrator | NginX | AWS

    Ukraine - Last active: 1 day ago - Tests: 5 - Portfolio: 2

    I am an expert in installation, tuning and optimization of the servers and PHP applications such as Wordpress, Magento, Opencart, Atlassian JIRA, etc. I’m usng NginX and Apache servers. I'm a fan of NginX and expertise in this server. My No. 1 goal is to meet my client’s needs, to do the task in time and of high quality. When I work on a new project, I like to communicate with a client, in such a way I can have a clear understanding of his/her vision of the project. The most frequent issue which I face is tuning of Linux servers optimization on which Wordpress, Magento or OpenCart are hosted. My goal is to achieve maximum productivity of the server and to adjust it so that the content will be delivered with high performance and to make the server handle high load of traffic. I use Memcached, Varnish, w3total cache plugin for WP to improve performance and optimize server. I’ve accomplished some projects the results of which are impressive: the load of one project was 5000 online unique users, and the total of requests in another project was 50000 for 5 minutes. After server optimization I perform load testing using apache benchmark and siege. These utilities give the chance to estimate traffic which the server will be able to handle. I use Amazon Web Services, DigitalOcean or Linode cloud providers and recommend them to my clients. Their servers are rather reliable and fast. I use Postfix or Exim in the bundle with Dovectot as an e-mail server. For Inbox control it is necessary to adjust DKIM and SPF for email. For secure connection - SSL certificates adjustment is essential. Technology Expertise: Operating Systems: Ubuntu, Debian, CentOS, Gentoo, CloudLinux, OpenBSD, NetBSD and FreeBSD Cloud Hosting: DigitalOcean, Linode, SoftLayer Web servers: NginX, Apache Database Servers: Mysql, Percona, MariaDB Mail Servers: Postfix, Exim, Dovecot Stack installation and optimization: Wordpress, Magento, Opencart, PHP and accelerated by Memcached and Varnish Skills in programming and scripting: - Bash Service description: - Linux server administration, problem-solving, performance and upgrades - Amazon Web Services (EC2, Route 53, Cloudfront, RDS, S3, SES) - Server Management for CentOS/Debian/FreeBSD servers on Web-projects based on PHPEmail Server - Nginx install, upgrades, troubleshooting and performance optimization - Apache install, upgrades, troubleshooting and performance optimization - PHP install, upgrades, performance troubleshooting and performance optimization - MySQL install, upgrades, performance troubleshooting and performance optimization - Website migration - LAMP / LEMP speed optimization - Magento speed optimization - Wordpress speed optimization - Joomla speed optimization - Drupal speed optimization - Varnish setup and tuning - Maintenance, configuration, white-listing, spf, dkim, high load delivery etc. - Google page speed, site speed and web server performance tuneup

    $35.00 /hr
    505 hours
    4.98