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Since 1995, Javascript has grown to be one of the most frequently used computer programming languages. It’s a multi-paradigm programming language that can be used for websites, PDF documents, games and desktop widgets. On Upwork, the world’s largest online workplace, companies and individuals hire skilled Javascript developers to create software solutions and front-end applications.

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JavaScript Job Cost Overview

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

Upwork JavaScript Jobs Completed Quarterly

On average, 4,711 JavaScript projects are completed every quarter on Upwork.

4,711

Time to Complete Upwork JavaScript Jobs

Time needed to complete a JavaScript project on Upwork.

Average JavaScript Freelancer Feedback Score

JavaScript Upwork freelancers typically receive a client rating of 4.69.

4.69
Last updated: August 1, 2015
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  1. Pavel B.

    Pavel B.

    Ruby / Ruby on Rails Developer

    Russia - Tests: 2

    Three years experience of writing software in Ruby and Ruby on Rails. I follow the trends in the Ruby / Rails world and try to be on the edge. Good communication the most important parts of development. Rails, Ruby HTML/CSS/JQuery BDD/TDD, Rspec, Git Heroku, AWS Proficient in web-crawling (Nokogiri, Mechanize, Selenium and PhantomJs)

    Groups: Coding Champs

    $22.22 /hr
    1,251 hours
    4.99
  2. Juan David Gil Diaz

    Juan David Gil Diaz

    Not Another Java Programmer

    Colombia - Tests: 6 - Portfolio: 1

    During the last years, I have been working as an employee as well as an academical student/researcher with J2EE Web and J2SE stand-alone environments. During the last year I worked for PSL (www.psl.com.co), CMMI level 5 company qualified for their good practices and awarded with the Software Process Achievement Award by the IEEE and the SEI (Software Engineering Institute). In PSL I developed some modules for a large Web proyect called Impacta, sold to a important motorcycles assembler in Colombia. Impacta is a Web application module that communicates with the company's ERP through Web-services, it has a multi-layer arquitecture that supports a with a CRM like functionality. Impacta uses JSF(Java Server Faces) for its presentation-layer, along with Ajax, in its business-layer uses pure Java integrated with Spring and Web- Services(Xfire) and in its persistence-layer, a PSL's propietary persistence framework was used against an Oracle DB.

    $25.00 /hr
    2,677 hours
    4.95
  3. Antonio J.

    Antonio J.

    Senior .NET Developer and Project Manager

    Portugal - Tests: 1 - Portfolio: 13

    I'm a seasoned Senior .NET Developer and Project Manager. I've been Developing Web Based Applications and Websites for the last 15 years, in both small and large companies. I'm proficient not only in several Development tools, but also in Database Design, Administration and Functional & Technical Analysis. In order to complement my technical skills I've also acquired Project Management skills, that help me plan, organize and control small and Large Development Projects. My Technical skills can deliver a job well done, I work on a daily basis in .NET, Jquery, BootStrap, Jquery, VB.NET, C#, Colfusion, SQL 2005/2008, Javascript, HTML, XML, XSL, XSLT, VB6, ASP and VB.NET. However I've also worked with PHP, MySql, Metatrader, VBScript, Access and several other technologies. The broad range of skills and technologies I've gathered in the past years, is the key to provide a very good work.

    $45.00 /hr
    1,866 hours
    5.00
  4. Chalitha Wickramathilaka

    Chalitha Wickramathilaka

    Senior Backend Programmer / Tech Lead

    Sri Lanka - Tests: 2 - Portfolio: 15

    From almost 12 years I have been working with php based web applications. MVC, and Zend Framework 1/2 development environments. I have the same experience with java scripts /jQuery/extjs frameworks. I have more than 7 yrs experience on load balancing . Clustering , and replication over debian, centos and redhat systems. I use Oracle and mysql databases on most of my projects. As a code collaboration tool I am using Gforge with svn/git for my projects. also I have strong experience with iptv application such as tvguides, epg, music applications etc etc. I have been working on high loaded websites, application databases for my work. I have strong knowledge of optimizing web applications smooth run on a very high load. Also I have experience with hardware Visualization on VMware boxes. I have additional experience in ETL Jobs / Mysql clustering / Piranha / php heavy load balancing / caching nodes. Android / FB apps/ REDIS/VMware ESX configuration

    $33.33 /hr
    4,928 hours
    5.00
  5. Nikolay G.

    Nikolay G.

    Technical Lead (Java)

    Russia - Tests: 8 - Portfolio: 2

    I'm an experienced Java programmer with solid principles in programming, architecture and code quality. I have a wide experience in Java-related technologies, so I can provide you high-level end product. I love to learn new technologies, frameworks etc, so research projects will be also interested for me. NOTE: If you are looking for bad quality, cheap, fast written code - do not distirb me, please. I'm not interested in working in a team which don't follow clean code, DRY and SOLID principles.

    $30.00 /hr
    1,037 hours
    4.86