Comet Freelancers

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Time to Complete Upwork Comet Jobs

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Comet Upwork freelancers typically receive a client rating of 4.31.

Last updated: June 1, 2015
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  1. Oleksii A.

    JavaSE/JavaEE Developer, PhD in Information Security

    Ukraine - Last active: 09/19/2011 - Tests: 5

    Enterprise and Web Application Developer. PhD in Information Security. Especially interested in building complex (transactional, concurrent, secured, scalable etc) Java/J2EE based systems. Strive for creating systems based on sound technical designs by applying OO design concepts and software patterns.

    $38.89 /hr
    1,277 hours
  2. Mikhail Mulyar

    Mikhail Mulyar

    iOS developer

    Russia - Last active: 3 months ago - Portfolio: 8

    Software and game programmer with more than 5 years of experience in developing on iOS platform. Very efficient worker able to achieve best results for every possible task in minimum terms. Participated in many projects with different types of tasks from simple games up to complicated social applications and messagers including video and audio chats functions. Have skills in working with most iOS standard frameworks, REST api, web sockets, OpenGL and lots of other technologies and services including Swift programming language.

    $30.00 /hr
    0 hours
  3. Andrey Khoronko

    Andrey Khoronko

    Python / JavaScript developer

    Russia - Last active: 03/19/2014 - Tests: 3 - Portfolio: 7

    Experienced (6+ years) Python and JavaScript developer. At the backend I'm using Django and Tornado frameworks in couple with messages queue (ZeroMQ, Celery) for building distributed systems with realtime web interface. I've working with SQL (PostgreSQL, MySQL) and NoSQL (MongoDB) databases. I also have experience as frontend developer with HTML, CSS and JS (jQuery, AJAX, Long Polling, Web Sockets, Server-Sent Events).

    $27.78 /hr
    0 hours
  4. Pavel Koryagin

    Pavel Koryagin Agency Contractor

    Pavel Koryagin

    Russia - Last active: 08/05/2013 - Tests: 1 - Portfolio: 11

    I've gathered a team, focused on complex Web-Apps development. We have a mature process and high skilled in Yii, Node.js, iQuery/Underscore/Backbone, and Sencha ExtJS. Also we're maintaining high-load projects. We offer full cycle development for your startup, along with simple workhours of supervised developers from the team. Personally I could offer services and consulting in Web-App architecture (flexible, reliable, secure, high-load), project management, APIs, hosting planning.

    Associated with: ExtPoint

    $50.00 /hr
    0 hours
  5. Eugen Kazak

    Eugen Kazak

    Senior PHP developer

    Belarus - Last active: 4 months ago - Tests: 1 - Portfolio: 1

    I have 5+ years of work experiences in Web Development, i have developed wide range of websites using HTML, PHP, MySQL, MongoDB and JQuery. Currently i am working as a Team lead and I am seeking opportunities to build websites from ground level, especially in YII framework. Also i am expert in high load projects And I have experience in Search Engine Optimization, I work with Google and Yandex I can do magic with PHP, JQuery/javascript and AJAX.

    $16.67 /hr
    0 hours
  6. Ivan P.

    Ivan P.

    Software Developer

    Philippines - Last active: 3 months ago - Tests: 5 - Portfolio: 9

    I have been into web development for 6 years now. I'm using PHP, CSS, Javascript, JQuery, HTML, Bootstrap , CodeIgniter and wordpress in developing softwares.

    $15.00 /hr
    0 hours