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. Dorris joy A.

    Dorris joy A.

    Certified PHP/MySQL/HTML5/CSS3/JS/SVG/Canvas dev

    Philippines - Last active: 3 days ago - Tests: 5

    With almost 10 years evolving in the IT world, i've gained sufficient knowledge and now very competent to develop applications and websites for people around the globe. I've done websites with CMS, online booking and reservations, CRM systems, streaming video playlist, mobile services in the Philippines (Smart, Globe, Sun). These projects were developed mainly with PHP and MySQL. Also, Javascript plugins and framewroks are also injected to provide cool user interaction. Aside from being a programmer, Im also inclined to art and designs, so Im very particular with the look and feel of the product, while taking in mind the clients' specifications.

    $35.00 /hr
    1,390 hours
    4.77
  2. Ashish Singh

    Ashish Singh

    Data Visualization / D3.js

    India - Last active: 2 days ago - Tests: 4 - Portfolio: 3

    I create data visualizations primarily using d3.js. I love working on challenging designs. I also work with other visualization libraries such as nvd3, HighCharts and xChart to name a few popular ones. Apart from data visualization, I've developed web applications using front-end web technologies including HMTL5 / JavaScript / JS frameworks / CSS3 / SASS, PHP, and MySQL. I collaborate using Git ( GitHub or BitBucket or Private Git repo ) and have been working with AWS and its cluster services for almost all my major projects. Looking for exciting short-term and challenging long term projects!

    $56.00 /hr
    1,972 hours
    4.81
  3. Igor P.

    Igor P.

    PHP MySQL Yii CodeIgniter Zend developer, with 7+ yrs of experience

    Russia - Last active: 5 days ago - Tests: 7 - Portfolio: 14

    I am a web application developer specializing in PHP/MySQL, with 7+ years of commercial experience. Worked with the different projects - starting from a little web-sites and web-widgets to the big web-systems and services. My main qualities are reliability, persevering and patient. Tell me your ideas, we will discuss it and I'll give you a structure of the future system and a plan of work. I think there is nothing impossible - just are necessary time, money and the desire to work!

    Groups: oDesk Verified Web Developers, PayPal

    $40.00 /hr
    9,754 hours
    4.99
  4. Oleg Batishchev

    Oleg Batishchev

    Magento Jedi / Senior Web Developer / Consultant

    Russia - Last active: 1 day 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 verified by oDesk 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
    1,140 hours
    4.98
  5. Andrew Litvinoff

    Andrew Litvinoff

    Joomla, VirtueMart, HTML5/CSS3, Bootstrap, PHP/MySQL, jQuery/AJAX

    Ukraine - Last active: 2 days ago - Tests: 5 - Portfolio: 27

    Joomla! 1.5/2.5/3.0 CMS web-developer with more than 7 years of experience of sites development and improvement. Excellent knowledge of Joomla, VirtueMart 2.x/3.x eCommerce integration, JA T3, Gantry and YooTheme WARP frameworks as well. Components, modules, plugins, Joomla & VirtueMart responsive templates for mobile devices development. Strong skills in HTML 5, CSS 3, Twitter Bootstrap, UIKit, PHP, MySql, jQuery, Java Script, AJAX as well. JW Player JavaScript API deep knowledge. http://www.mysite4u.net

    Groups: Bluehost Developers and Designers

    $44.44 /hr
    2,402 hours
    4.86
  6. Luke Otterblad

    Luke Otterblad

    AWS and GCE Engineer. Python, Javascript and Elasticsearch Programmer

    United States - Last active: 1 month ago - Tests: 7 - Portfolio: 3

    Senior software developer specializing in improving the accessibility, intelligence, and flexibility of code. Experienced at working with startups. My areas of interest and expertise that you may require include AWS and GCE Engineering, front end and back end web development, Elasticsearch integrations, recommendation engines, natural language processing and data analysis. Currently continuing a nine year career in analysis and web development. I'm highly self-motivated and seek challenging projects that match my expertise (http://github.com/lotterblad). Jobs I do: - Design and get systems up and running in the cloud - improve search and search user interfaces - integrate visualization and analysis pipelines - Make applications more intelligent by using things like recommendation and spam classifiers - Program front end UI designs and fix bugs related to cross browser compatibility - build out platforms communicating using API's Tools I use: - Amazon Web Services (EC2, S3, Elastic MapReduce) for development and deployment - Google Cloud (BigQuery, App Engine, GCE) - Elasticsearch Server for storage and query, Kibana and logstash for log management - Website and app development, Web Development, machine learning and natural language processing with Python and Java. - Web development with Node, Express, and Angular as well as other Javascript libraries like D3.js, jQuery, and three.js - Time series analysis, statistics and visualization with the R programming language - Database Development: Google Datastore and MongoDB (document database), MySQL and Postgres (relational), redis (key-value) and memcache - Twitter Bootstrap, or Responsive Design with jQuery, CSS, HTML for mobile responsive landing pages as well as general purpose web pages. - Integrations using Mule ESB Samples of open-source code available: http://github.com/lotterblad

    $90.00 /hr
    2,189 hours
    5.00
  7. Md Forhad Hossain

    Md Forhad Hossain

    Sr. SharePoint/Office 365 Developer

    Bangladesh - Last active: 1 day ago - Tests: 8 - Portfolio: 5

    I have 5+ years of experience in SharePoint and related technologies and 3+ years of experience in Office 365 and its related technologies. In this long period of my experienced life, I have explored lots of web technologies. The following technologies are some of my favorite technologies on which I have strong knowledge. -SSRS -Silverlight -Power BI -Dashboard -Other BI tools -JavaScript -JQuery -Ajax -CSS 3.0 -MySql -Azure -HTML5 -SQL Server -PHP Sr. SharePoint/Office 365 Developer/Consultant is the best title to describe myself with all my experience and exposure that I'm experienced in not just a technology but client communication, sales and marketing knowledge that come as an added advantage of a consultant job profile.

    $33.33 /hr
    66 hours
    5.00
  8. Don Taylor

    Don Taylor

    Analyst, Manager, Technical Writer

    United States - Last active: 1 day ago - Tests: 9 - Portfolio: 3

    In my 30+ year career I've picked up a wide variety of technical skills and professional experience areas. I've been successful in management and individual contributor roles. I want to help you succeed with your project goals! Here's a quick list of skills and technologies where I have at least some, and in many cases, quite a lot, of experience: Apple Xcode, Authorize.net, Back office processes, B2C e-commerce, Basecamp, Budget management, Business analysis, Business metrics, Business rules & logic, Certified Scrum Master, Change management, Client engagement, Codesion, Communication: interpersonal, written, verbal, ConstantContact, COPPA compliance, CRM, Creative problem solving, Customer satisfaction, Customer liaison & support, Data flow design, Design spec preparation, Design standards, DropBox, 8x8 phone system setup/admin, Feature rollout, GIS tools: ArcGIS, Google Maps, Google Apps, Google Docs/Drive, Graphical editors, HTML, Interviewing, IT liaison, JavaScript, Knowledge management, MailChimp, MS Access, Excel, PowerPoint, Project, SharePoint, Visio, Word, Negotiation & issue resolution, Operations monitoring, Apple Mac desktop, PCI compliance, Policy definition, Process/protocol definition, Process improvement, Program execution, Project management – traditional & agile, Quality assurance & testing, R&D, RapidMiner (novice), Requirements gathering, Requirements analysis, Resource allocation, Salesforce setup/administration, Scrum product owner, SDLC, Service delivery, SmartBear AlertSite, Stakeholder voice, Statistical analysis, Strategic planning, SugarCRM, Team member & leader, Training, UNIX shell & C, Usability/UI design, Use case depiction, User stories, User acceptance test, Vimeo, Web app dev mgmt, WordPress, Workflow analysis, Zapier integrations, Zendesk setup/administration.

    $55.56 /hr
    523 hours
    5.00
  9. Hamdan A.

    Hamdan A. Agency Contractor

    Experienced Web Developer

    Palestinian Territories - Last active: 8 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
  10. Yavor I.

    Yavor I. Agency Contractor

    Android/Wear/Tizen/Backend developer

    Bulgaria - Last active: 8 days 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
    1,978 hours
    4.83