Top Upwork Freelancers

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  1. Gabor Borbely

    Gabor Borbely Agency Contractor

    CTO at Budapest Bar Association and startupflyer.com

    Hungary - Last active: 4 hours ago - Tests: 3 - Portfolio: 1

    I have development experience in server-side technologies (PHP5.3, Zend Framework, Symfony, Doctrine ORM, Smarty, Apache, memcached, Web Services), databases (MySql, No-Sql, Redis), frontend technologies (jQuery, HTML5, CSS3, Less, Bootstrap), methodologies (OOP, MVC, design patterns) and other fields like 3rd party APIs, git. Deep user-level knowledge of Windows / Unix like platforms, office and DTP applications (Adobe InDesign, Photoshop, Fireworks). Experiments in Ruby, iOS, python, PhoneGap, Flash / AS3 and in other web/mobile related technologies, performance optimization and continuous integration. I have strong interest in exploring new technologies, trends and innovation management.

    Associated with: Idea Assembly

    $33.33 /hr
    493 hours
    5.00
  2. Sushant Chawla

    Sushant Chawla Agency Contractor

    System Architect

    India - Last active: 28 days ago - Tests: 9 - Portfolio: 12

    Over the last 8 years I have gathered expert knowledge of Linux Servers Administration. I have worked on LAMP Architecture, Clustering of LAMP with load balancing, MySQL clustering and replication, Complete Amazon Cloud Setup, Nameservers, Mail Servers, OpenLDAP, OpenVPN, Monitoring tools (Nagios, Zabbix), FTP, SVN, CVS, GIT, Clustering, Virtualization with Xen, VMWare, Virtualbox, OpenVZ and many more services in production environments. I am also very proficient with bash scripting to automate numerous server administration tasks.

    Associated with: AerieWeb Technologies

    $22.22 /hr
    6,360 hours
    4.90
  3. Jason Ramsey

    Jason Ramsey Agency Contractor

    Expert Researcher

    United States - Last active: 1 day ago - Tests: 5

    I am a freelance researcher, database builder, GIS programmer and customer service agent located in the United States. I have extensive experience in web research, GIS mapping, database building, lead generation and customer service. I have worked for several online companies including but not limited to ChaCha, and Interlaced Systems, Inc. where my work is completed in a timely manner and is checked for quality and accuracy daily. I have also wrote several articles for Text-broker which is an article writing service dedicated to give the customers written content based on their specifications. I enjoy researching and answering live queries as well as writing reviews and working with Google Maps. I am ready to start working and will meet any deadline with no problems.

    Associated with: Ramsey Researching Data Solutions

    $14.00 /hr
    64 hours
    4.75
  4. Rhys Leo Coronado

    Rhys Leo Coronado Agency Contractor

    Mobile App Development Specialist

    Philippines - Last active: 4 days ago - Tests: 2 - Portfolio: 1

    Rhys is considered as a Jack of all Trades, Master of Mobile App Development. Yes! You heard that right. He specializes in Mobile Apps using Titanium Appcelerator to build for Android & iOS but that didn't stop him from also learning Web stuff and Project Management using SCRUM, not to mention that he's proficient with Photoshop and some design tools but he's not much of a Designer at heart. What separates him from the rest is he don't have that "just build" mentality. He always does his very best by contributing to the team solutions that would make the quality of the project better. He considers User Experience as an integral part of his work which is a quality of a rare developer. Lately he's been involved with pure native Android Development and had spearheaded numerous projects at his young age. He's now looking into learning native iOS development using SWIFT.

    Associated with: APPetite

    $16.67 /hr
    83 hours
    5.00
  5. Gurjeet Singh

    Gurjeet Singh Agency Contractor

    Web, Mobile and DB expert/architect

    India - Last active: 12 days ago - Tests: 5 - Portfolio: 20

    I am the "Top Rated" Upwork Verified developer & a "Top Rated" Upwork designer. You can see the "TOP RATED" badge in the right-side column. I am a member of "Pro Web Designers" and "Upwork Verified Developers" groups. (See the Right-side column). I am a Zend Certified Engineer (ZCE) with 10 years of experience in which I have developed and worked on many applications using multiple APIs and have built many corporate and eCommerce websites with the best responsive layouts scalable on mobile and pda's. I am also an expert in database design, development, administration and tuning (Oracle, SQL, MySQL, SQLite, MongoDB, CouchDB).I am sure that you would be able to leverage my experience for your project. I am confident that you would be happy with the final outcome. I can complete every kind of project single handedly. There is nothing in the web and database domain that I cannot accomplish. I like to challenge myself everyday to improve my skills on daily basis. Feel free to test my skills. Please find below a summary of my expertise: - Expertise in PHP, Angular JS, Joomla, Drupal, Wordpress, Magento, PrestaShop, Zen Cart, VirtueMart, , Ruby on rails, CakePHP, Yii, Symfony 2.x, social networking platforms (JomSocial, PHPfox), discussion forums (MyVB, PhpVb), Payment gateways (Citibank, Paypal, Google checkout, Rupay, HSBC, Authorize.net, 2Checkout and more), performance optimization. - Expertise in HTML5, CSS3, Javascript, jQuery - Expertise in Nationbuilder platform - Expertise in web security - Expertise in iPhone/Android and hybrid apps development - Expertise in Database design, development, tuning and administration (Oracle, SQL, MySQL, SQLite, MongoDB, CouchDB) - Expertise in Lucene and Sphinx search implementation - Experience in C, C++, Python, Java programming - Expertise in Photoshop, Illustrator, Dreamweaver, Flash, After Effects, Premier, Corel Draw, 3ds max It would be great if we could initiate a quick conversation on skype/hangouts/call to know each other better and understand your requirement in a better way. Best wishes for your project.

    Groups: Pro Web Designers, Upwork Verified Developers

    Associated with: Novelucent Technologies Pvt. Ltd.

    $44.44 /hr
    1,148 hours
    5.00
  6. Maksym Melnychuk

    Maksym Melnychuk Agency Contractor

    Web developer and QA engineer

    Ukraine - Last active: 4 hours ago - Tests: 5 - Portfolio: 15

    Last 7 years I have developed different websites using HTML, DHTML, PHP and MySQL as well as quality assurance of odesk.com / upwork.com. I have low experience of used PostgreSQL, WinForm applications with help Delphi and C#. Websites, which I and my team created are commercials and states. Count of visited most its sites are very good. My competency was whole cycle from consist plans of improve (technical questions) to deadline project. Conditionally process we division to 5 steps: generally planing of project, architecture, building database architecture, directly development and testing. We also used TDD (test-driven development) - it was very helpful. I have some experience in following areas: SQL, Ajax, OOP, jQuery, projective patterns (MVC), software design, product support. I have good knowledge of Joomla CMS, phpBB forum application and our company own CMS. Also have somes, not bed, knowledge of ZendFramework and CodeIgniter

    Associated with: Nikemax

    $23.33 /hr
    10,663 hours
    5.00
  7. Tigran Tokmajyan

    Tigran Tokmajyan Agency Contractor

    Senior Developer

    Armenia - Last active: 1 day ago - Tests: 9 - Portfolio: 15

    Software Engineer for more than 8 years. Currently software engineer at the Elance-oDesk company. Languages - PHP / JavaScript / Node.JS / Java Frontend - Angular / jQuery / Twitter Bootstrap / HTML5 / CSS3 Databases - MySQL / PostgreSQL / Redis / Lucene / Neo4J / MongoDB Frameworks - Symfony2 / Zend Framework 1 & 2 / Drupal Technologies - XMPP / Comet programming More than 2 year experience in large-scale educational social network. Was leading team of 5 Software Engineers.

    Associated with: CodeCoast

    $45.00 /hr
    3,825 hours
    5.00
  8. Shivam Srivastava

    Shivam Srivastava Agency Contractor

    Excellent Front End & Mobile Developer

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

    Having 6+ years of experience in javascript, jquery, angularJs and process Customizing with a focus on analytics and quality Work. - Responsive Design with Twitter Bootstrap 3 - OOP development in javascript - MVC structure with angularJS - GruntJS task runner Back end - PHP/PHP5 with MySQL database - MVC PHP framework - CodeIgniter - Wordpress & Drupal Visualization - d3.js, nvd3 - Google charts - Highcharts Other - RESTful API development for web app - Integration third party API - Facebook, Twitter, Twilio, Paypal & Payment Gateway. - CRM based on MVC js + REST API Mobile Development - Android Using GIT, Bit Bucket & SVN for repo management.

    Associated with: Ahex Technologies

    $22.00 /hr
    1,007 hours
    4.54
  9. Luba Tinaeva

    Luba Tinaeva Agency Contractor

    Business Analyst, Bitrix Developer and Consultant

    Russia - Last active: 8 days ago - Tests: 1

    If you want your organization to work more effective, that's where I can help you out. I work with 1C-Bitrix products family - Bitrix CMS and Bitrix24 Extranet. The first one allows me to create eCommerce solutions, internal social network, content portals. Bitrix24 Extranet is a corporate in-cloud portal for your team that takes team work to the higher level. In includes CRM for your leads and business processes that are configured to suit needs of any small- and medium-sized organization. I do jobs: - Bitrix24 administration and customization. - Bitrix24 creating of business processes. - Lead generation to Bitrix24 from website. - Bitrix CMS installation and customization. - Business analysis. Looking forward to work with you.

    Associated with: Aspirity

    $15.00 /hr
    63 hours
    5.00
  10. Vadim N.

    Vadim N. Agency Contractor

    reliable software development

    Ukraine - Last active: 1 month ago - Tests: 1 - Portfolio: 1

    > more than 22 years in love with programming (started at the age of 11 from programming on http://en.wikipedia.org/wiki/Elektronika_MK-52) > more than 14 years professional software development experience > deep and clear understanding how programs work: if printf("hello, world\n"); on c lang written and executed, libc code is called for, libc code calls ‘write’ api function from os, which is written on high level programming language, that is translated to assembler commands, that compiled to machine commands, which are performed on circuit diagrams, according to which electrical impulse will run in cpu. > linux-0.0.1 source code study (from mbr to command line prompt, reading, running, debugging) for about 6 months to understand os work principes > perfect knowledge of such lang, technologies and theory: c/c++, math, linux, software architecture, android, libc, stl > good level of understanding: java, actionscript3, javascript, ios, and many other languages and technologies > personal interests: supercomputers, high performance computing, evolution theory 2009 - till now android programmer, lead of freelancers team 'softevol' 2007 - 2009 ios programmer in game dev 2008 - 2009 programmer at automatisation lab on cokery plant 2002 - 2008 most time of this period study programming and math, experiments with software (enthusiastic work with minimal reward) 1997 - 2002 master degree in car construction (kharkov national automobile and highway university). awards in national contests in geometry, physics, mechanics, 3d engineering computer graphics (most time at university studying programming with friends) 1986 - 1997 school time 1980 - 1986 childhood

    Associated with: softevol

    $35.56 /hr
    645 hours
    4.62