Javascript Programmers and Developers

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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, 4,736 JavaScript projects are completed every quarter on Upwork.

4,736

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 4.68.

4.68
Last updated: May 1, 2015
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  1. Daniel Z.

    Daniel Z.

    Highly skilled API integrator, PHP (ZF) Coder and Project Manager

    Poland - Last active: 1 day ago - Tests: 7 - Portfolio: 6

    Goal: Project and develop high quality apps for your success. Profile: OOPHP & Zend coding, IT consulting and business analyst, project coordinator and manager, Other skills: Apache, Bind, SSH, bashscripting, Memcached, Github, Solaris, Oracle, MySQL, Radius, AD, expert knowlegde of many *ux and windows systems Advantage: Project and implementation of many web apps. Most of it projected and developed by myself using Zend Framework, Google API (youtube, gdata), social API (twitter, facebook). Some of it integrated with operating systems or AAA software (radius, ldap). Usually Design Patterns were used (like Template Method, Version of Control, DAO, Dependency Injection, Decorator and so on). Some application built upon a structure of web services (XML, REST, JSON), some using jQuery and AJAX. Tools and technologies: Apache, radius, bind, ldap, Zend Framework, XML, SOAP, Linux, Linux daemons, Memcached, Sockets, REST, JSON, Oracle, MSSQL, MySQL, Design patterns, MVC, SVN, BASH, PHPUnit, Xdebug, Unit testing, Google Youtube API, Google Gdata API, Google Maps API, Facebook API, PayU API

    $35.00 /hr
    1,615 hours
    4.98
  2. Oleg Batishchev

    Oleg Batishchev

    Magento Jedi / Senior Web Developer / Consultant

    Russia - Last active: 4 days ago - Tests: 6 - Portfolio: 9

    Hello dear customer, Yes, I'm not wrong, cause after read that you will wanna to hire me ;) Well, now seriously ... I am a highly experienced web developer who has primary direction of activities in e-Commerce web-developing, in that case it's a Magento area. I'am an adept of Magento and if you don't know what is it and you wanna e-commerce site you have to contact with and I will explain how is Magento awesome. I have 3 years experience in Magento and 9 years total in PHP developing with an MVC, different CMS (Wordpress), frameworks (Yii, Zend) and other. I always stick to the coding standards and follow the best practices to provide seamless, readable and reliable code. Besides developing I have some administration skills to manage servers, automate routines and can improve performance of Magento backend and frontend as well. Also I can setup the server from a scratch. I prefer a stack for Magento consists of: Nginx, Php-Fpm, Redis, Apc, Mysql 5.5 (5.6) (Percona better), SOLR/Lucene/Sphinx. I prefer do not install any control panels but if required I would prefer ISP Manager 5 Lite. Magento related Experience and Services - Optimization, load improvements, speed up - Extension development and customization - Troubleshooting - Tweaks & tricks - Bulk importing. Do you have 100k products? It's not a problem - Store migration - AWS, Rackspace building an architecture of you infrastructure - Core upgrade - Magento recurring support - Bug/error fixing - Theme design and customization - Consultation - Code review I also have some basic skills in the desktop programming (C#) and some Photoshop skills. I'll be glad to new acquaintances and long-term cooperation. I have a team of developers and every day we are expanding. Just hard to write all things what I can do. I am easy learnable for new stuff (frameworks, custom systems, foreign code). My strong side is a backend developing and have a good knowledge of a frontend side: - HTML5/CSS3 - Bootstrap - jQuery - Ajax - WebSockets, Long polling - Prototype - ExtJS - Google API, Yandex API - many other things that I can't remember at this moment. Also in a less degree Angular, Backbone and other frameworks/libs. Communication Channel : Skype/Whatsapp/Email/Phone I have listed only a little part of my portfolio cause I have many jobs completed and I can't add every job to profile.

    $45.00 /hr
    1,164 hours
    4.98
  3. Hamdan A.

    Hamdan A. Agency Contractor

    Experienced Web Developer

    Palestinian Territories - Last active: 24 days ago - Tests: 4 - Portfolio: 7

    Talent is just a gift reflected as a quality I have 10 years of web development experience. Here is my key skills that I am very experienced in each : ✔ Native PHP Development , Organised , OOP , and Commented clean code. ✔ WordPress: WooCommerce, BuddyPress, bbPress, Genesis, OptimizePress, ClassiPress, Thesis, PageLines, Gravity Forms ✔ e-Commerce: Woocommerce, Magento, Prestashop, OpenCart, Shopify, BigCommerce, Spree ✔ Front-end: HTML5, CSS3, SASS/LESS, Bootstrap, Javascript, jQuery, Angular. ✔ Node: Express, Meteor, Sails ✔ Python ✔ blade , Jade , Smarty ★ love Your Work means You Are Special ! ★ Available to work on big projects, on-going projects , and quick modifications. Please feel free for a friendly talk

    Groups: Bluehost Developers and Designers, Corona Labs...

    Associated with: PalPHP

    $40.00 /hr
    449 hours
    5.00
  4. Yavor I.

    Yavor I. Agency Contractor

    Android/Wear/Tizen/Backend developer

    Bulgaria - Last active: 1 day ago - Tests: 2 - Portfolio: 15

    Over the last 5 years I have developed a wide range of applications for Android based smartphones and tablets. Most of my clients are companies from the small business but also I've worked for Samsung, Shutterstock and British Telecom. I'm seeking opportunities to build applications from the ground up for you or your business. I have strong experience in these areas : Java, Android, Google App Engine, Backend and API development, Google Cloud Datastore, Tizen SDK, Database (Oracle, MySql and Sqlite), Ruby and HTML5/CSS3. I'm mainly interested in mobile apps development but I'm able to handle cross-client development including backend/API and web application. Example 1) Android app + Google App Engine(Backend) + Google Cloud Endpoints(API) Example 2) Example 1 + Google Cloud Messaging Example 3) Example 2 + Google Cloud Datastore Example 4) Example 1 or Example 2 or Example 3 + Web app (html/css/javascript) Example 5) Any of the examples above + Wear/Tizen app Example 6) Any of the examples above + UI An UI can be provided by one of the few very skilled designer I'm working with. It will be Android compatible by using the Material Design principles. * Please, only serious clients with vision for great, long-term projects! Not interested in part-time jobs. Strong communication is required!

    Associated with: Dision

    $32.22 /hr
    2,013 hours
    4.83
  5. Konstantinos Paraskevopoulos

    Konstantinos Paraskevopoulos Agency Contractor

    vTiger CRM ERP Expert

    Greece - Last active: 4 days ago - Tests: 1

    I am an Internet Technologies and Software engineer, specializing in Vtiger CRM / ERP planning, development and implementation. My 8 years experience in Internet Technologies and 5 years focusing on vtiger allows me to implement any vtiger customization. I have implemented various integration projects of vtiger with 3rd party applications using WebServices, such as Joomla, Jomres, Wordpress, Virtuemart, OsCommerce and more. The strong background on business process re-engineering and business process integration allows me to easily understand the business needs on their CRM / ERP application to ensure the customization success. In the past 5 years i have worked with various companies in different industries around the world to help the design and the implementation of their CRM / ERP systems. Integrating their individual business processes to the vtiger platfrom, i have developed many modules for vtiger in order to "digitilize" companies specific processes and workflows to Vtiger platform. My philosophy for CRM / ERP systems is summarized in the following principle: "You cannot manage something that is not measurable". Towards this principle i assist my clients develop a system where they can track down all the information flow produced by their business processes and also the tools to streamline them, providing all the necessary information (BI) to the right department / user. I enjoy helping companies create their own tailor-made software that reflects their real needs, allowing the business to effectively utilize their resources and automate trivial processes thus saving time and money, that they can invest in growth (that is after all what software can provide time / money).

    Associated with: Target Integration Ltd. Agency

    $100.00 /hr
    284 hours
    4.94
  6. Pavel Karoukin

    Pavel Karoukin

    Open Source Architect

    United States - Last active: 09/18/2014 - Tests: 3

    Open Source Solutions Architect focused on building complex web applications and automating business processes. Posses extensive technical experience in Perl, PHP, Javascript languages; Drupal, Zend, Catalyst frameworks; Client-side Javascript MVC frameworks, native mobile application development (Android), "Cloud" and distributed technologies, like AWS, load-balancing, memcached, nginx, etc. I am focused on solving problems and doing it efficiently using right tool for the task. Specialties: Linux, nginx, Apache, Perl/Catalyst/Plack, PHP/Drupal/Zend, Javascript, Backbone, Sencha, Android, MySQL, AWS

    $150.00 /hr
    74 hours
    5.00
  7. Eugene Mankovski

    Eugene Mankovski

    Lead Developer in Charlotte, NC

    United States - Last active: 3 months ago - Tests: 2

    Looking for the following types of work: 1. HTML5 & CSS3 & JS implementation of existing design mockups 2. Web Design (mockups or html) 3. Implementation of custom web controls and plugins 4. Implementation of your web design using Responsive UI Frameworks 5. Mobile development & design 6. Full stack development Local to USA. Working from North Carolina, Charlotte. Thanks!

    $60.00 /hr
    156 hours
    5.00
  8. Eduardo Burgos

    Eduardo Burgos

    Software Development Specialist - Javascript, Node.js, C#, F#

    Dominican Republic - Last active: 07/15/2014 - Tests: 2

    I have worked in a wide variety of scenarios in terms of software development. I can use java, .net, php, adobe flex or even learn. I consider myself a "troubleshooter". I can find and fix bugs in almost any code. I am seeking opportunities to work and get renown.

    $35.00 /hr
    0 hours
    4.60