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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, 4,527 JavaScript projects are completed every quarter on Upwork.


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.

Last updated: October 1, 2015
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Bharat K.

Bharat K. Agency Contractor

Ruby/Go Lang Developer

India - Tests: 7 - Portfolio: 1

Always 5***** and I am 100% sure you’ll love working with me. More than 5.5+ years of experience as both a hands-on architect and a software engineer. Specializing in Ruby, Rails, Go Lang Sys Admin, HTML5/CSS3, Bootstrap3, Responsive, AngularJS. SPECIALTIES: Ruby, Rails, Meteor, developed a Hugo ( theme , Node.js, JavaScript, AngularJS, HAML/SASS, HTML5, MongoDB, SQL, Solr, Git, SVN, Amazon Web Services, EC2, Nginx, Apache, Agile processes and methodology, RSpec, Cucumber, TDD, BDD. I have done Master Degree in Computer Science . I am a strong software engineer who is passionate about large-scale systems. I care about producing clean, elegant, maintainable, robust, well-tested code. Proficiency in the following skills and technologies: Coding: Ruby, Rails, Git, Make, Subversion, SQL, HTML, CSS, Javascript, Angular, Node, Backbone, Gulp, Grunt Operating systems: Unix, Red Hat (RH 5 to RHEL 6), Debian. Cloud: Rackspace, Heroku, AWS, DigitalOcean Web and Middle Services: Apache, Tomcat, Wordpress, Nginx, Unicorn, Passenger, Mogrel Databases: MongoDB, MySQL, PostgreSQL, SQLite, Redis. Email Services: Postfix, Sendmail, SpamAssassin. My Responsibilities: * Ruby coding * AWS Cloud management with hands on experience in EC2,S3,Cloudwatch,ELB,Autoscaling,RDS etc * System administrator for various flavours of Linux providing hosting support for applications, server setup and troubleshooting. * Tuning the platform software stack for achieving the most optimal performance. I am ready for Leading the team / Projects and Development. Contact me. Thanks

Associated with: 24ROR Labs(5***** Leading Freelancers)

40% Job Success
$15.00 /hr
2,439 hours

Mehedee Rahman

Mehedee Rahman

Expert PHP | Fillable PDF Form

Bangladesh - Tests: 4 - Portfolio: 15

Using JavaScript, jQuery and php, I proficiently develop web form, api connection and fillable pdf form which is compatible in Win, Mac, iPad, iPhone, Android. If you would like to get complicated and interactive form with securely storing data, API Connection and so on, just share your thought. I will accomplish your task with error free and quick turn around. I am always dedicated to my client. If need any suggestion, just ask me. I will advise what the best is for you. Your Satisfaction Is My Success. Services: - Develop Web form & Fillable pdf form - API Connection using php - Dynamic and Static pdf form - Advanced Calculation and validation with JavaScript - Data Processing: * From web form data to pdf and database; * From pdf form data to Database; * Getting specific data from database - Email notification during submission I handle JavaScript, jQuery, PHP, HTML, CSS in my work. I confidently ensure you that my work is dapper & attractive and you will be fully satisfied. So you can hire me without any hesitation.

Groups: Crossrider

98% Job Success
$22.22 /hr
1,633 hours

Mihovil R.

Mihovil R.

Node.js, Java and Lotus Notes/Domino engineer

Croatia - Tests: 15 - Portfolio: 8

I am a passionate J2EE/Java, Lotus Notes (certified), Node JS software developer and architect with over 6 yrs of professional experience including other programming languages like C# and others. Wide range of experience in developing and maintaining Java/J2ee web systems, Lotus Notes web and client applications and plugins as well as Node JS applications and REST APIs. I, also, have a great deal of experience in PDF generation MS Office/OpenOffice document automation and assembly, VB, VBA, various document format manipulations. My goal is to make my employers happy and content with solutions I make them. I do not do mediocre jobs and do not make/give mediocre solutions so choosing me as your contractor offers a great deal of quality and professionalism. I also offer a lot of consultation services on many software development areas and always for free when they are a part of my project. I pride myself in good work ethics and moral and I know my employers see and value it. Interesting, useful and challenging projects make my heart race, motivate me and I am always willing to step in or join in any way possible. You got one? Send me a short note about it ASAP !

100% Job Success
$25.00 /hr
1,041 hours

Richard Nyakundi

Richard Nyakundi

Zendesk Expert, Technical Support and Customer Support Manager

Kenya - Tests: 7 - Portfolio: 1

Experienced Zendesk Consultant and Customer Support Team Lead with 1700+ oDesk hours. I am very familiar in all aspects of Zendesk, the use of business rules to achieve the desired workflow, implement automations to increase productivity for agents, customize Zendesk using its built in functions and integrations. I am abreast with the latest Zendesk features, api, and integrations which allows me to be able to always find ways of implementing desired functionality by being able to fully understand all aspects of Zendesk of what it can and it can't do.. Key words: zendesk consultant, customer support team lead, reporting, excel, HTML, CSS, JavaScript.

90% Job Success
$16.67 /hr
1,927 hours

Eugene V

Eugene V Agency Contractor

Drupal Developer

Canada - Tests: 9 - Portfolio: 7

I am experienced developer in php, mysql, javascript, html, css, and Drupal. In the last three years I have specialized in custom Drupal development - custom modules and themes as required by my clients. Other skills include, converting PSD's to HTML and to Drupal themes, upgrading Drupal sites from older version, optimization of Drupal sites, development management, and user experience consulting.

Associated with: KLynn Inc., Blair Marketing Agency

100% Job Success
$27.78 /hr
3,989 hours

Cesar Melendez

Cesar Melendez

Technical Resolution Expert & Process Lead

El Salvador - Tests: 9 - Portfolio: 4

My Experience began on 2003 by providing Technical Support for Microsoft's Internet Service (MSN). It was a great jump start to my technical career by providing high quality technical support and great customer service to U.S. Customers. In 2005 I had the opportunity to begin working for Dell Computer's - Technical Support. I've been an Resolution Specialist from 2005 up to June 2012 managing the technical aspect of the teams and providing support to the agents that take calls. I am CompTIA A+ Certified - Remote Support Technician (COMP001006357057). Developed various Web-based Tools utilized by Dell Technicians for the departments I've worked on. My duties as a Resolution Specialists range from Technical Knowledge on the Software and Hardware end. Troubleshooting know-how, Knowledge on dispatching & shipping parts through FedEx, USPS, Unisys, Bantec & Qualexserv, Call auditing & quality assurance, Trained on irate caller deescalation process. An experience I think that has great value is being Manager on Duty on the department's (SMB - Small & Medium Business) floor. Which meant that my duty was to manage all the calls coming in to our group and make sure the process would meet all the goals set by Dell's Global CCO (Call Forecast Dept.). This were I learned the call center aspect of the job such as metrics like AHT (Average Handle Time), ORR (Offer Run Rate), Measuring Inbound calls vs Intervals. Staffing vs Breaks & Lunches. From June up to know I have been working on the Process Engineering department as a Process analyst providing various reports on Call Handling, Staffing, RDR (Repeat Dispatch Rate) Metric. Have Advanced Excel & Intermediate MS Access skills. On the relationship & teamwork side of my work experience. I’ve been able to succeed with my teams by establishing great relationships with my teammates and this way, drive to influence them in a positive way, so they can visualize a goal in a manner they can reach and exceed the business’s expectations. My main focus has been to learn as much of the business and understand the best way at approaching the role I’ve had the opportunity of undertaking. Also, I’ve taken the task at analyzing and determine the most efficient path to reach the goals on the teams I have been a part of, and have definitely been successful at making the teams reach top spots in group rankings.

$11.11 /hr
1,108 hours

Andrew Koumarianos

Andrew Koumarianos

Web Developer - (X)HTML/CSS/PHP/MySQL/JavaScript/Photoshop

United States - Tests: 6

Please visit my portfolio for examples of previous work: . I create, modify and maintain professional websites. I manually code all websites (I do not use programs like Dreamweaver, GoLive, etc unless requested) to ensure that they are optimized to their full potential in speed and universal visibility.

Groups: AWeber, BigCommerce...

100% Job Success
$75.00 /hr
1,686 hours