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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. Dmitri S.

    Dmitri S.

    Ruby/Rails, JavaScript Developer

    United States - Tests: 3

    My areas of expertise are 1. Full product development lifecycle, 2. Third-party integrations, 3. API design and development, 4. Database design and normalization, 5. Legacy codebases, 6. Managing software teams. I'm a full stack (frontend and backend) developer specializing in Ruby/Rails, JavaScript, PostgreSQL and HTML/CSS. My past client projects range from single-page applications to caching optimization for post-series A startups to legacy codebase maintenance and refactoring for government organizations. I practice the following methodologies: * Agile * Test Driven Development (TDD) and Behavior Driven Development (BDD) * UI and UX Principles * MVC * OOP

    $90.00 /hr
    20 hours
    5.00
  2. Artyom N.

    Artyom N.

    JavaScript / C# Web Developer

    Russia - Tests: 9

    Over 4 years of experience in developing various programming products: from developing single-page and desktop applications from scratch to maintaing and improving large ORM solutions and data portals. Experience in: C#, ASP.NET MVC, JavaScript, Ajax, HTML, MS SQL. Some experience in: Windows Services, MongoDB, JS Frameworks: Highcharts.js, Knockout.js.

    $25.56 /hr
    1,899 hours
    0.00
  3. Michael Lawson

    Michael Lawson

    Javascript/Node.js Developer

    United Kingdom - Tests: 2

    Hi! I'm a web developer with experience in a variety of front end technologies, including Javascript MV* frameworks such as backbone, Ember, AngularJS and React, utilities like jQuery and css frameworks such as bootstrap, and extensive experience with working in Javascript in general. I used to work extensively in coffeescript, now preferring ES6 to keep up with the future of Javascript. I like using processors like LESS and Stylus to organise my css and make it easier to manage, and I'd much rather write my html with Jade than raw. I pride myself in producing high quality code, building out projects with intelligent and thoughtful structure, with a mind for future development and maintenance. I don't work particularly fast, and I'm happy with that. I have also worked a lot with Node.js on the backend, constructing APIs for front end heavy apps and producing server side, template based sites alike. I've used plenty of databases, mainly MySQL, PostgreSQL, MongoDB and Redis. I've got a good understanding of Python and Ruby, and though I'd rarely use it out of choice, a working knowledge of PHP. With these skills I am capable of creating custom web applications, as well as any general web frontend and backend work. You can check out my github, https://github.com/mdlawson/, to see what kind of things I've been working on recently. Aside from web development I've also been developing skills in Java and Android development fuelled by my degree program, and worked with C and systems programming, giving me an appreciation of the lower levels.

    $33.33 /hr
    106 hours
    5.00
  4. Emil Ajdyna

    Emil Ajdyna

    Full-Stack JavaScript Developer

    Poland - Tests: 9 - Portfolio: 2

    I am seeking opportunities to build robust, well tested front-end solutions that require a lot of JavaScript. Here's a short list of bigger projects I have worked on over the last few years: - ING Developing a single page banking application in Backbone/Marionette. We're also using jasmine, karma, nodejs, express.js, gulp, requirejs, d3.js, jquery and many more. I'm a technical team leader of one of the Scrum teams, responsible for the transfer's section of the app. - William Hill William Hill is one of the largest bookmakers in the United Kingdom. I have developed a wide range of websites that required a lot of front-end scripting. I had a chance to work on a truly scalable solutions as the websites were in 24 languague versions. - AQA AQA is one of five Awarding Bodies which are recognised by the regulators of the public exams systems for England, Wales and Northern Ireland. I had the privilege of working in the AQA office in Guildford directly with the kind and professional AQA team who had a really positive attitude about the project. My work focused mainly on the implementation of a cut-up, which involved converting an HTML and CSS template into the proper syntax for the CMS, provided by a third-party company whilst reporting to the Project Manager for AQA's project.

    $40.00 /hr
    549 hours
    4.98
  5. Evgeniy N.

    Evgeniy N.

    PHP, MySQL, JavaScript developer

    Russia - Tests: 2 - Portfolio: 3

    Experienced WEB-developer, 3 years of working on projects of different complexity including startups both in frontend and backend. I have good skills in PHP 5(OOP), MySQL, JavaScript (jquery), ajax, json, XML, HTML, CSS3, Twitter bootstrap, Smarty. At present I'm a member of a team developing portal Astrostar.ru. There I'm busy with developing partners API, services automation, company tracking system including accounting, prognosis generation (portal is about astrology),consultants and moderators cabinets, statistics and processing of information about over 10 million registered users. Fond of getting extra knowledge in different areas (and do it max fast and easily). I am not affraid of other person`s code. There`s no tasks I can not handle.

    $22.22 /hr
    868 hours
    5.00
  6. Andrei Ivchenkov

    Andrei Ivchenkov

    PHP/Javascript/MySQL Developer

    Russia - Tests: 5 - Portfolio: 2

    My name is Andrei Ivchenkov, Russian native (UTC+3). Good in written English. I am a skilled Web developer, with strong knowledge and good experience. My main work activity is web development. Over the last 3 years I have took part in development of many different websites and components using PHP/Yii, Wordpress (I love it), MySql. And also I know templates Twig, Smarty. I am very familiar with HTML 4/5, CSS, JS (including Ajax), jQuery. I have much expirience in Facebook API, Twitter API etc. Additional skills: Linux administration, Apache, Git, Mercurial, Subversion. I am seeking opportunities as to build new sites as to optimize and modify existing sites, components and plug-ins. Please don't hesitate to contact me and discuss different projects even if the requirements are not listed at my personal profile. I am open to all different kind of projects.

    $15.00 /hr
    101 hours
    5.00
  7. Igor Zoriy

    Igor Zoriy Agency Contractor

    JavaScript/HTML/CSS Expert

    Serbia - Tests: 4 - Portfolio: 3

    I'm a self-employed web-developer. I've been working over 8 years as web-developer. I've experienced in developing complex single page applications. I provide clean and well-tested JavaScript code, as well as semantic markup. Technologies, I have experience with: JavaScript, ReactJS, Backbone.js, Node.js, Gulp, Grunt, Browserify, Webpack, Bower, CSS, LESS, Stylus, SASS, Jasmine, Karma, REST, PHP, PHPUnit, Symfony, Doctrine, MySQL, MongoDB, Redis, Elasticsearch, Git.

    Associated with: Modern Web Studio

    $50.00 /hr
    6,032 hours
    5.00