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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, 4,511 JavaScript projects are completed every quarter on Upwork.

4,511

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: September 1, 2015
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  1. Rui Pimentel

    Rui Pimentel

    Web Developer with more than 6 years of experience

    Portugal

    Looking for a fast, viable and cheap web application? I have the solution for you! I'm an expert with more than 6 years of experience in development of all kinds of web applications, using PHP, Mysql, HTML 5, CSS 3, Jquery/Ajax... My main area is Web Crawling, based on PHP + cURL scripts developed from source, having already worked in thousands of different crawlers. Contact me, and I can assure you wont regret!

    $12.79 /hr
    1,992 hours
    0.00
  2. Adeeb A.

    Adeeb A.

    Quickbase Applications Architect

    United States - Tests: 11 - Portfolio: 3

    -Over 12+ years of experience in IT concentrating on Database (SQL) and Quickbase development. Quickbase Expertise: -Systems Analysis and design -Process workflows -Dashboards and reports -Custom forms (JS, HTML) -Custom Coding -3rd party application integration (client and server side) -Quenect ODBC integration Other Programming:expertise: Java, JavaScript, PHP, SQL, Ruby, C++,C, VB Please invite me for an interview to discuss my skills and experience in more detail.

    $40.00 /hr
    4,080 hours
    4.25
  3. Shibly K.

    Shibly K.

    PHP / C# / MySql / MSSql / Yii / Yii2 / CodeIgniter

    Bangladesh - Tests: 6 - Portfolio: 10

    Web Development || Custom Web Application || Mobile Web Application || Software Development || Database Administration || CSS Validation || HTML Validation || Scraping I will provide best service within deadline. I believe in long term relationship. If my work satisfied you definitely you will give me more projects in future. I want to increase knowledge, get customer satisfaction and take the challenge. Web Development * PHP5 * ASP.NET * HTML5 * CSS3 * JavaScript * jQuery Responsive Web Development jQuery Mobile Web Development PHP Framework: * Yii * CodeIgniter Desktop Environment * C# * VB6 Database * MySql * MSSql * SQLite

    $20.00 /hr
    1,130 hours
    4.98
  4. Ivan K.

    Ivan K. Agency Contractor

    Senior Coldfusion Developer, Dev Team Leader

    Russia - Tests: 4 - Portfolio: 16

    I have 13 years experience in software development. Coldfusion is my primary area of expertise. I am focused on web application development. Here is a list of my most recent and current work: 1. Developed Hackers trap subsystem. I came up with the algorithm to protect web applications from hackers. 2. Help reduce the cost of application maintenance. There are a lot of applications with bad code quality. It leads to a lot of defects while maintenance + clients over pay for adding new functionality. I rewrote a lot of applications with clear architecture, design and code reduce the cost of application maintenance. 3. Help improve web applications performance (page loading): code optimization, sql queries optimization, changing of settings in Coldfusion Administration and MS SQL, hardware upgrades. 4. Integrated eCommerce web applications with Amazom (AWS) to upload products to Amazon, receive orders and so on. Products like Gold Rings, Stones, Candles, Clothing. 5. Integrated eCommerce web apps with eBay to upload products to eBay, receive orders, etc. 6. Integrated eCommerce web apps with payment systems like Paypal (including credit cards via Paypal), Secure Trading, SagePay, Pay4Later 7. Developed mobile version of websites using Jquery Mobile or flexible version with Bootstrap. 8. Integrated schema.org into products page for eCommerce web apps 9. Resolved issues with indexing of pages and images on Google 10. Installed and configured Coldfusion 11/IIS 8 on Win 2012 by using Coldfusion 11 Lockdown guide (Secure Installation) My previous work experience includes working with Luxoft and Gehtsoft Companies. Developed and managed applications for Boeing and FXCM companies. - 4 years in project management (up to 25 specialists in my team: analysts, developers, architects, testers); - 6 years in developers team management (up to 15 specialists in team: developers and architects); - 6 years in code development. About 40 projects with content hours from 1000 to 10000 were successfully completed. I have an advanced knowledge in SDLC (Macroscope P+ methodology). Participated in preparing projects for CMMI auditing. I provide the following services: 1. Project schedule development 2. Risk management 3. Operative team management 4. Budget management 5. Requirements development 6. Architecture and design development 7. Code development 8. Test design development and testing 9. User guide development 10. Deployment documentation development

    Associated with: Handsoft

    $55.00 /hr
    8,917 hours
    5.00
  5. Abdul Q.

    Abdul Q. Agency Contractor

    C# ASP.NET MVC 3 MSSQL JQuery knockout-JS backbone-JS REST FULL Web

    Pakistan - Tests: 10 - Portfolio: 13

    To optimize business processes with My best products and services in order to make my customers satisfied besides bringing value addition to their business. To strengthen my experties, i used to keep update myself with latest softwares, designing and development technologies which is a continuous process and that is what my Core Values.From 2005 i had been developing Desktop and Web application using C#, ASP.NET, ASP.NET MVC 3, SQL Server, AJAX, JQuery, knockoutJS, backboneJS, REST FULL Web Application,Telerik.

    Groups: Android, Application Developers Alliance...

    Associated with: RADFolks

    $30.00 /hr
    3,722 hours
    5.00
  6. Andres Vergara

    Andres Vergara

    Software Engineer + Expert Developer [English-Spanish]

    Colombia - Tests: 6 - Portfolio: 14

    I'm software engineer/developer. I have around 5 years of experience in the area, managing IT projects and developing a wide range and variety of applications, including: web portals, information systems and other custom solutions as scripts & templates. In this way I have worked with a variety of technologies & platforms at the back, middle and front end such as: Java, JEE, Spring, PHP, Zend Framework, CSS, HTML, JavaScript, JQuery, Ajax, Flash + Action Script SQL, PLSQL, Oracle, MySQL, Postgres SQL, SQL Server. I also have experience developing for Moodle LMS and apps for Android devices & tablets. I am seeking to build opportunities for you and your business. Thanks & regards

    $15.60 /hr
    1,370 hours
    5.00
  7. Nico Lance Medina

    Nico Lance Medina

    Full-Stack Web Developer / Agile Project Manager

    Philippines - Tests: 22

    • Experienced Project Manager for Agile (Scrum) software projects, with over 3 years’ experience working with startups, small businesses, and established corporations. • Strong background in Customer Service and Technical Support; 4-time recipient of awards in customer satisfaction, issue resolution, and quality assurance with 2 years of industry experience. • Competent in Windows, Mac OS X, and Linux administration, as well as modern web development technologies.

    $22.00 /hr
    8,201 hours
    4.86
  8. Andriy B.

    Andriy B.

    J2EE, Senior Developer/Team Lead

    Ukraine - Tests: 6 - Portfolio: 9

    Senior Java/J2EE Developer/Team Lead. More than 10 years experience in software development. Professional developer in Java since 2004. I have solid background in: Core Java, J2EE, Springframework, JSF, JSP, JSTL, Hibernate, Velocity, Lucene, SOAP, JUnit, Eclipse, MySQL, MsSQL, Oracle, Linux. I am a highly motivated and hard working person. Your tasks will be completed on time with 100% quality and accuracy.

    $20.00 /hr
    1,179 hours
    4.91