Top Upwork Freelancers

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  1. Sergiy G.

    Sergiy G.

    Full-Stack Web Developer [PHP/MySQL/JavaScript/Yii]

    Ukraine - Tests: 11 - Portfolio: 4

    Hi there, My name is Sergiy (aka Sergio) and I am the full-stack software web developer with years of professional experience in the field. I like to build web applications and to write a code that easy to support and extend as well as always make sure that deadlines and business requirements are met. I have fluent verbal English skills and like to use them on daily basis, because communication and cooperation is the key to success. If you need developer who doesn't afraid to make decisions and take responsibility for them - feel free to contact me. Only long-term projects please. Thanks, Sergio ===================== Tech. qualifications: - extensive experience with LAMP, WAMP and MAMP stack technologies; - strong PHP knowledge, including PHP 5.5+ with SPL; - OOP is in my blood, Linux is in my veins; - experience in database design (MySQL) and queries optimization; - comfortable with JavaScript/jQuery, HTML5/CSS3, AJAX; - familiar with Redis, Backbone.js, PHPUnit, AWS, Vagrant, VM, Apache; - like to use Git and Github, but also get SVN and Mercurial; - knowledge of REST API design and development; - hands on experience with web APIs integration (Facebook, Twitter, LinkedIn, Google Maps); - love to debug and profile codes using xDebug, FireBug, xhProf; - ability to build web applications from scratch or using MVC frameworks; - 4 years of exp. with Yii framework having few big projects under the belt (see portfolio); - some experience with Symfony2; - strong understanding of Design Patterns and SOLID principles; - experience with Agile environment, more specifically with SCRUM; - my IDEs of choice are: Netbeans and PHPStorm; - successful in Linux, Windows and OS X environments; - comfortable working with people of both the technology and business sides of the companies; - experience working in the team and in solo development; - great analytic skills and experience in systems evaluation and analysis; - critical thinking person and complex problems solver with extreme attention to details; - fluent in English, Russian and Ukrainian languages; - Master's Degree in Computer Science;

    $55.56 /hr
    3,412 hours
    5.00
  2. Aleksey P.

    Aleksey P.

    Web Developer ZF2. Php5, Design Patterns, SAAS

    Ukraine - Tests: 5 - Portfolio: 12

    More than 6 years of experience in software and information systems projects development, networking and Internet systems development in PHP, ZF1, ZF2, Yii. Little experience in team leading a small team, responsible for architecture, planning, scheduling, task sequencing, quality control and communication with project stakeholders. Track record of increasing responsibility in software design, systems analysis, development, design deployment strategies and full lifecycle project management. Hands-on experience leading all stages of system development efforts. Has experience in front-end and UI development using modern technologies and frameworks. Well skilled in database design and system architecture design, components decomposition and design patterns. Technology evaluation and business requirements analysis skills, strong problem-solving, communication, and time management skills. Good attention to details.

    $22.00 /hr
    3,197 hours
    4.68
  3. Barbara E.

    Barbara E.

    Freelance Web, Android and Software Developer | United States

    United States - Tests: 4

    Do you need a professional self-starter with proven interpersonal, customer service and problem solving skills with a reliable track record of working independently? My family situation required me to work from my home office since January 2009. That ended over a year ago so I’m fully available with a professional office, new equipment and freshly updated software development skills. Having a wealth of experience in customer service, financial, economic, software and technical fields, solidified with education, I am seeking opportunities to work for you while adding to my education and portfolio. My skills include: JavaScript, JSON, jQuery, HTML5, CSS3, Ruby, C++, UNIX Shell Scripts, FORTRAN, Basic, Machine and Assembly languages. Cordova (PhoneGap), Ruby on Rails and WordPress development. Pivotal Tracker and GitHub project management. Agile and Waterfall development including Object Oriented Program Design patterns and use cases. Automated testing and test development. Regression testing of Internet Explorer client-server software and communication for protocols - Open Systems Integration, Local Area and Wide Area Networks, X.25, RFC-1006, ESIS/ISIS/TARP. Operating Systems: Microsoft Windows: 8, 7, Vista, XP, NT and 2000; UNIX: Ubuntu, Oracle Solaris, and IBM AIX. Software Test Suites: Mercury Merant and IBM Rational. Certified Software Quality Engineer (CSQE), American Society for Quality, 2001. www.ASQ.org. Basic Engine Repair Certification for 4 cylinder, 6 cylinder, Miller and rotary gas engines, Mazda (North American Operations) Great Lakes Training Center, 1997.

    $15.56 /hr
    214 hours
    5.00
  4. Tanvir M.

    Tanvir M. Agency Contractor

    Joomla Expert, Wordpress Expert, PHP, jQuery, MySQL, HTML5,CSS3

    Bangladesh - Tests: 6 - Portfolio: 25

    Self-motivated and goal oriented. Have ability to follow through with projects from inception to completion using analytically and problem solving skills. I expert on Joomla, Wordpress, PHP, MySQL. Possess high programming skills, well at logic building, ability to adopt any programming environment with very short learning curve, capable of managing and developing web. Versatile team player with excellent communication skills and can work in a group as well as individually to handle the entire life cycle of application developments. Thank you Expertise: Joomla Expert, Joomla Developer, Wordpress Expert, Wordpress Developer, PHP, MySQL, HTML5, CSS3, Javascript, Jquery

    Associated with: DevBees

    $20.00 /hr
    4,233 hours
    5.00
  5. Craig Harris

    Craig Harris

    Business Programmer - Excel, VBA, Access, Engineering Apps

    United Kingdom - Tests: 5 - Portfolio: 5

    Over the past 20 years, I've developed an extensive range of excel applications with VBA (macro) code. I've worked with individuals and multi-national corporations generating solutions that vary in size and complexity. I'm seeking opportunities to provide VBA code solutions or a complete spreadsheet application for you and your business. I can use my experience of creating business and software solutions to complex and simple requirements. I hope that a diversity of work can also help me to continue to work on new projects to broaden that experience so that I continue to enjoy what I do. I've been working with spreadsheets for over 20 years developing various types of applications including Financial, Engineering, Quality and capacity planning. My in depth knowledge of excel and VBA allows me to confidently approach any task. I also make good use of my knowledge of Python and php.

    $10.00 /hr
    22 hours
    5.00
  6. Dmitry G.

    Dmitry G.

    Flash / Front-End / HTML5 / JS / CSS3 / AS3 / AS2 / PHP / Rich Media

    Ukraine - Tests: 2 - Portfolio: 6

    I am a Flash, Front-end developer, designer and animator with 12 years of applied experience. I have good experience with creating web-based applications, games, Rich Media banner ads, etc. I am looking for a position of Flash/Front-end developer to work on a complex project. My personal website http://www.junker.biz.ua

    $44.44 /hr
    5,236 hours
    4.92
  7. Sergey Mikayelyan

    Sergey Mikayelyan

    Flash/Flex/AS3, Starling, Feathers Developer

    Armenia - Portfolio: 4

    Worked on complex Desktop implemented based on Flash/Flex/AIR/AS3 . Working on mobile (web) game using Flash/AS3 starling feathers frameworks.

    $13.33 /hr
    5,634 hours
    4.50
  8. Sol maria M.

    Sol maria M. Agency Contractor

    Less is More

    Argentina - Tests: 1 - Portfolio: 2

    I am an experienced, supportive and versatile design agency where I work together with a team in enhancing your marketing and branding efforts through innovative and professional design. Since 1999, me and my team have been working specifically with small businesses and start up companies worldwide. Experienced - Over 15,000 design projects completed - Over 9,000 satisfied clients Supportive - Full-time customer care department - Unlimited design options and revisions - 110% satisfaction guarantee Versatile - Logo design - Illustration - Web Design - Packaging - Print Design I have been working via The NetMen Corp specifically with small businesses and start up companies worldwide. I offer them customized and high-quality design services at affordable prices. The variety of design services is extensive and are not limited to only logo and website design! I assure you a quick turnaround times, unlimited revisions, great customer service and 100% original designs! Looking forward to work with you!

    Associated with: The NetMen Corp

    $35.00 /hr
    0 hours
    4.69
  9. Kulsum Virani

    Kulsum Virani Agency Contractor

    Creative Team For Your Future Success

    Australia - Portfolio: 120

    Hello, Thank you for taking time to review our profile :) We are working as a Company in Australia who provide services in "Website Designing, Corporate Packages designing, Banner Designing and Website Designing Developing", we have 15 developers and 15 designers who help us to give good Quality projects to our valuable clients. We will not only give you complete solution as per your satisfaction but we will also give you 1 month free support on our code to do any changes or rectification of any problem if occur also offer long term support to get back to us for cosmetic changes which you need to do in future. Please visit our ONLINE PORTFOLIO to view quality work done by us and our wide range of logo and website styles at We will charge fix cost, We are looking for good long term business relation with you and your organization. Best regards, Total Solution

    Associated with: Total Solution AU

    $30.00 /hr
    0 hours
    4.85