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On average, 4 Comet projects are completed every quarter on Upwork.

4

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Average Comet Freelancer Feedback Score

Comet Upwork freelancers typically receive a client rating of 4.11.

4.11
Last updated: September 1, 2015
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  1. Oleksii A.

    JavaSE/JavaEE Developer, PhD in Information Security

    Ukraine - 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
    0.00
  2. Nikolay C.

    Nikolay C.

    Brainbench certified JSE/JEE dev, DB dev, Sys-Arch

    Ukraine - Tests: 2 - Portfolio: 11

    Would you like to find a powerful Java-dev? If so, please read further... 1. Intentions I'm working as a free-lancer more than 2 years already, and worked > 12 years in scientific and software engineering areas. I'm here because I'm looking worldwide for interesting work related to software development using the following technologies (some or all): - Java 5/6/7 (JSE, Swing, CORBA, Web Services, etc.) - JEE5/6 (EJB3, JSF, Hibernate, etc.) - GWT, Spring, Struts, etc. - And other JSE/JEE-related frameworks - GlassFish, Tomcat, JBoss, Jetty, etc. - JME (CLDC 1.1, MIDP 2.0) and Android - Maven, Ant, etc. - Oracle, MySQL, PostgreSQL and other DBMS - Some sub-tasks could be related to C/C++ with STL (but NOT the whole project!) - UML and/or Agile Modeling - Well-organized Agile processes - Etc. It would be nice to be involved into software concepts and architecture development. Also it would be nice to have possibilities for applying my initiative and creativity. I'm ready to work as a free-lancer for the beginning up to 40+ hours per week), and you may hire me as a full-time employee as well. I'm ready to move mostly to any country or city. In such case I'm ready to start as a developer (or senior developer), but with possibility to grow up to TL, and further up to SA or PM (of course, starting from TL or SA would be nice). 2. Education - University Master Degree in the area of Informatics and Computer Systems 3. General Skills I have a wide working and scientific experience with dozens of technologies (> 14 years). The most deep experience I have with the following techs: - JSE5/6 and J2SE (Java Core, Multithreading, AWT, Java2D, Swing, CORBA, WebServices, Networking, etc.) - since 1998 - JEE5 (EJB3, Hibernate3, JSF, CometD, Jetty, Tomcat, JBoss, GlassFish) - about of 5 years - J2ME (CLDC 1.1, MIDP 2.0, WMA) - about a year - Other Java techs (Jakarta Commons, Log4J, Velocity, Maven, Ant, etc.) - many years - Android development (support about 0.5 years) - C/C++ and STL - since 1995 (STL from 2001) - Oracle 9i/10g, MySQL, PostgreSQL, InterBase - since 2000 - OOA/OOD/OOP and UML Modeling - since 1995 (UML from 2001) Large experience with the following platforms and tools: - Windows - since 1995 - Linux/UNIX - since 1997 - MS Office (incl. Visio and Project) and Star/OpenOffice - since 1997 - IntelliJ IDEA, NetBeans, Eclipse - since 2001 - C++Builder and Delphi - since 2000 - PL/SQL Developer - since 2005 - Enterprise Architect and other UML tools (Rational Rose, Poseidon, etc.) - since 2001 Git, SVN and CVS - since 2001 Management Skills - since 2004 (worked on TL and PM positions) Architect Skills - since 2000 (designing concepts, business models and architectures for quite complex scientific, B2C and B2B applications) Language Skills: - Russian - native - English - fluent, working language since 2001, ~1000 pages of docs written - German - intermediate (quite fluent, but non-perfect) - Ukrainian - can understand in 100%, cannot speak/write fluently 4. Contacts - You can contact me via oDesk. Usually online (GMT): - 10:00am - 5:00pm - 7:00pm - 10:00pm

    $40.00 /hr
    14,803 hours
    5.00
  3. Constantine Stanishevsky

    Constantine Stanishevsky

    Senior Web Developer (PHP, Yii, MySql, Javascript, web-scrapping)

    Czech Republic - Tests: 6 - Portfolio: 3

    I like complex challenging projects which require initiative and nonstandard innovative solutions. More information can be found at http://stanishevsky.com/ Developed one of the largest online stores and a social network, devoted to beading. Created Ļiñgvŭs http://lingvus.com/ — the online marketplace for freelance translators. As a freelancer, I have developed dozens of websites in various fields.

    $29.99 /hr
    355 hours
    4.84
  4. Gabriel Dodan

    Gabriel Dodan

    Experienced Web Apps Engineer:Node.JS/PHP/JavaScript/Highstocks

    Romania - Tests: 7 - Portfolio: 9

    Web Applications Engineer ( both back-end and front-end ) with 10+ years of experience. Extensive experience with: Node.JS, JavaScript, PHP, Adobe Flex, HTML, CSS, MySql, PostgreSQL, Redis, Express.js, Sails.js, Passport.js, jQuery, Require.js, Bootstrap, Highcharts, Highstocks, AJAX, Comet, socket.io, PayPal, WordPress, CodeIgniter, GIT, Photoshop As Web Applications Engineer I have built a wide range of web applications: financial web applications, real-time web application, collaborative applications, PHP Framework, tickets web application, e-commerce websites, simple websites, WordPress websites, WordPress plug-ins, video streaming My objective is to provide high quality Web Development services at affordable price. Almost always I create good business relationships with the people I work with. Personal characteristics: confident, proactive, creative, analytic thinking, dexterity to learn new technologies, I like to work on challenging and complex projects.

    $34.00 /hr
    186 hours
    4.74
  5. Alexey Baev

    Alexey Baev Agency Contractor

    Senior Python/Django/FrontEnd web developer

    Russia - Tests: 4 - Portfolio: 9

    I want to be helpful on your high-load web projects, have solid server administration, architectural, performance optimization skills. KEYWORDS: AngularJs, BackBone, Leadership skills, Architect skills, HTML5, CSS3, PHP, Zend Framework, Drupal, Joomla, Python, Django, Apache, Nginx, Linux, Amazon Web Services, jQuery, UI development, SCSS, Twig, BEM (Yandex), Comet

    Associated with: Rendered Source Agency, truepeppers

    $27.78 /hr
    1,039 hours
    4.67
  6. Igor S.

    Igor S. Agency Contractor

    C#/JS Web Developer

    Russia - Tests: 5 - Portfolio: 1

    Web/desktop/mobile full-stack application developer. PhD in computer science. Microsoft certified developer. 13 years in software development. I'm fluent in written and spoken English, and got second degree as an interpreter. I used to be a PM for two years, and daily online meetings with English-speaking customers were a part of that job. I like complex tasks and can quickly dig into any technology or area of expertise.

    Associated with: Anthill

    $33.33 /hr
    3,440 hours
    4.98
  7. Maria T.

    Maria T. Agency Contractor

    I'm the manager from ExtPoint team. We are skilled in complex webdev

    Russia - Tests: 3 - Portfolio: 10

    We in ExtPoint have experience in development and maintenance of complex Web-projects, including Desktop and Mobile clients for them. Our two last biggest projects, HelpOnClick and CashGo.ru, are realtime (Comet-AJAX) with rich browser logic (one ExtJS-based, another jQuery-based). Also we have highload experience in them: profiling, MySQL DBA, message queues, distributing load. Fine UX development is our love. An approach to protect investments in based on Agile technics and continious feedback. We have mature business-processes in Version Control and Issue Tracking. Basically we offer the supervised work of our Jr. Developers at $23/hour, while work with high level of expertise are approximately at $59/hr. Big volumes and monthly payment interval assume discounts.

    Groups: PHPFox, SocialEngine

    Associated with: ExtPoint

    $30.00 /hr
    59 hours
    5.00
  8. Maksym B.

    Maksym B. Agency Contractor

    WEB-developer

    Ukraine - Tests: 5 - Portfolio: 6

    ● Team leader with extensive experience in Front-end development. ● Expert in GUI optimization techniques, cross-browser compatibility. ● Advanced experience in DOM, JavaScript, (X)HTML, CSS. For Desktop and Mobile browsers. ● Expert in JavaScript frameworks (AngularJS, BackboneJS), CSS frameworks(Bootstrap, SASS, YAML), JavaScript toolkits (jQuery, Underscore) ● Experienced with HTML5, CSS3 technologies. ● Experienced as a Front-end Architect. ● Impressive experience with building Off-line Web Applications. ● Experienced with a lot of services such as Google, Yahoo, Yandex, ArcWeb, MapQuest, StreetMap, etc. ● Expirienced with server-side JavaScript (NodeJS). ● Advanced TDD experience on Front-End using QUnit, Jasmine, Karma. ● Intermediate TDD experience on Back-End using Cucumber, RSpec, PHPUnit. ● Expirienced with server-side development (PHP, Ruby, Delphi). ● Able to control development flow and manage group of engineers. ● Excellent analytical, problem solving, interpersonal, communication skills.

    Associated with: SITIO Group

    $33.33 /hr
    1 hours
    5.00