Browse Comet job posts for project examples or post your job on Upwork for free!

Comet Job Cost Overview

Typical total cost of Upwork Comet projects based on completed and fixed-price jobs.

Upwork Comet Jobs Completed Quarterly

On average, 1 Comet projects are completed every quarter on Upwork.

1

Time to Complete Upwork Comet Jobs

Time needed to complete a Comet project on Upwork.

Average Comet Freelancer Feedback Score

Comet Upwork freelancers typically receive a client rating of 4.11.

4.11
Last updated: September 1, 2015
Clear all filters
  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. 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
    275 hours
    4.74
  3. 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
  4. 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
    3,460 hours
    4.98
  5. 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
  6. 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
  7. Andrey Korzhuev

    Andrey Korzhuev

    Ruby and Python developer

    Russia - Tests: 5 - Portfolio: 6

    My main area of interest is web applications. During my career I've developed a complete solutions from scratch and worked on large inherited codebases. I enjoy solving problems and believe that clarity of code matters. I'm looking for opportunities to work as an early employee of a startup or a small company, however I don't mind to subcontract a small tasks during a busy days of your team. My tools of choice are: * Ruby, Ruby on Rails; * Python, Django, eventlet, and twisted; * CoffeeScript, SASS, and HAML, however I don't mind Javascript, HTML5, and CSS3; * Backbone.js, jQuery, and underscore; * PostgreSQL, Redis, MongoDB. I'm experienced in building highly-dynamic services using such technologies as COMET and AJAX, I believe that future of web is tight integration with environment and rich user experience. I'm also functional programming enthusiast and would gladly join or contribute to your project involving Haskell or Erlang. I support open source.

    $27.78 /hr
    2,058 hours
    3.96
  8. Andrey Khoronko

    Andrey Khoronko

    Python / JavaScript developer

    Russia - 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
    0.00