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. 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
    1,404 hours
    4.77
  3. 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
  4. Igor P.

    Igor P.

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

    Russia - Last active: 12 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: PayPal

    $40.00 /hr
    9,683 hours
    4.99
  5. 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
  6. Luke Otterblad

    Luke Otterblad

    AWS and GCE Engineer. Python, Javascript and Elasticsearch Programmer

    United States - Last active: 2 months 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. Sergey H.

    Sergey H.

    Senior PHP Developer / Magento Expert

    Poland - Last active: 5 days ago - Tests: 2

    Hey there. Let me introduce my self. I work as web-developer during last 6 years and I learn programming sciences for a 12 years. Magento is my main are of expertise because I used to work in Magento inc. during 2 years.

    $35.00 /hr
    2,937 hours
    5.00
  8. Asher S.

    Asher S. Agency Contractor

    Product Manager, Software Architect, Cloud & SaaS Architect

    United States - Last active: 05/19/2014 - Tests: 19 - Portfolio: 3

    [Background] I have worked as a consultant to various companies worldwide in high-tech IT related sectors such as Cloud & SaaS, Mobile eCommerce, Automotive & more. [Vision] I believe in working with the best of the best. I am looking for new challenges where I'm given a chance to build something new, creative and completely mind blowing. [Expertise] Over the 14 year span of my career, I have accumulated expertise in the following areas: - New Product Development - Operations research & management - Social Media Marketing & Strategy - Business Development - Information Security - Big Data & Analytics - Mobile App Development - Start ups - Anything and everything cloud related - Software Architecture for large scale applications And of course, I am familiar if not an expert, in all technologies such as Java, Ruby, PHP, .NET, SQL, NoSQL, Unix, Linux, Windows, AWS, VMWare, Xen, Asterisk etc.

    Associated with: ClickStrat Agency Agency

    $80.00 /hr
    4,027 hours
    5.00
  9. Mohammad khalid M.

    Mohammad khalid M. Agency Contractor

    Dev & Design Guru - PS, Illustrator, PHP, MYSQL, JQ, HTML5, CSS3

    Bangladesh - Last active: 24 days ago - Tests: 5 - Portfolio: 31

    I have 8+ years of experience. I can do php, mysql, ajax, javascript, CSS3, HTML5, PhotoShop, WordPress and much more. I have expertise on Design also. Although I am not a native English speaker, I can communicate in English quite well!

    Groups: Bluehost Developers and Designers

    Associated with: NashLab Agency, Alo Design

    $33.33 /hr
    1,572 hours
    5.00
  10. Gaurav singh M.

    Gaurav singh M.

    Full Stack Software Developer with 15 yrs of work experience

    India - Last active: 18 hours ago - Tests: 14 - Portfolio: 67

    ******1st position in 11 oDesk tests from a total of 14 in which I appeared****** *******************oDesk Top Rated Developer******************** I am an expert Full Stack Architect & Developer specializing in Web development with 15 years of experience in Php, SaaS, eCommerce Platform Development & Consulting, JS libraries (Backbone.JS, Node.JS, AngularJS etc) , Ajax, REST, HTML5, CSS3 & jQuery to name a few. I only work on fixed price assignments since I work with my team. I am not an agency, but am part of a group of highly skilled freelance developers and thus prefer fixed price assignments. On taking a closer look at my oDesk profile you'll notice that I mostly have fixed price jobs and that all have been delivered successfully. I understand the concerns associated with fixed price jobs but till date I have delivered all my jobs with success which is amply reflected by my oDesk profile. <<Skill-set>> My skill-set can be validated from my oDesk Test scores where I have secured 1st position in 11 tests from a total of 14 in which I appeared (3rd position in 1 & Top 10% in the remaining 2). <<Work Ethics>> Please have a look at my extensive oDesk Work History (client feedback comments & scores) & Portfolio. 86% of my work is from recurring clients. <<Process flows worked on>> eCommerce platforms, eLearning/Online Education Management systems, eHealth Management Systems, Travel portals, School Management Systems, Finance/Inventory/HR Management Systems, Logistics Management System & Statistical Analysis portals are a few of the platforms I have successfully built. I have extensive experience with implementation of 3rd party APIs (payments, ERP, financial packages, Custom integrations). <<Areas of expertise>> # Php Frameworks: Laravel, CodeIgniter, Kohana, CakePhp, Symfony, Zend, Yii # CMS: Magento, Wordpress, Drupal, Opencart, Joomla, Prestashop, BigCommerce etc # Front-end Development : HTML, CSS (SCSS/SASS), Javascript, jQuery & jQuery Mobile, Twitter Bootstrap, HTML5 # JavaScript Libraries: Express.JS,Node.JS, Raphael.JS, AngularJS, Backbone.JS, D3.JS # Web Service, Ajax, XML, JSON, RSS, SOAP, WSDL, WebRTC, WebSockets # Database: MySQL, MSSQL, SQLite, MongoDB, PostgreSQL, Hadoop # Google Web Toolkit, Google Maps API, Google Apps API, Google Street API # Amazon EC2, Amazon Web Services, Google Compute Engine # Payment Gateways: Braintree, PayPal, Stripe, Google Checkout, Authorize.net (ARB & CIM) <<Availability>> I am on-line & available to discuss 12 hours daily (email, Skype, GTalk) and my work timings coincide with EST for around 5 hours daily (11:30 am - 4:30 pm EST). I thank you for taking out time to visit my profile and sincerely hope to work for you.

    Groups: PayPal

    $45.00 /hr
    1,320 hours
    4.98