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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, 4,622 JavaScript projects are completed every quarter on Upwork.

4,622

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: June 1, 2015
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  1. Leo J.

    Leo J.

    Engineer in Computer Science - Developer - Research

    France - Last active: 21 hours ago - Tests: 15 - Portfolio: 1

    Hello, I am a 27 years old engineer in Computer Science from France. After graduating from the Institut National des Sciences Appliquées of Rennes, I moved over to Sweden to follow a master program on Mobile Systems. Meanwhile, I was also working as a freelance web-developer/project co-leader for a Canadian company. While learning, I participated as a trainee to many professional project and learn to be flexible both in my ways of working in a team and on the technologies to use. Indeed, even so my major programming languages are Java and PHP, I could easily learn C# during my master thesis in Sweden and build up a nice piece of software to work with Sifteo cubes. Software architecture and system design are two of my strong background points, thus I thrive in realizing project from the beginning until the end. My professional experiences involved many non programmer and non computer scientist customers and allowed me to train establishing their needs and to translate them into sprints, backlog and deadlines. I also believe that knowledge in computer science without knowledge of the real world are wasted hence my interests for books, sail, roller-skating, ice hockey as well as environmental questions for instance. Looking forward to working with you.

    Groups: Application Developers Alliance

    $33.00 /hr
    433 hours
    4.96
  2. Emil Ajdyna

    Emil Ajdyna

    Full-Stack JavaScript Developer

    Poland - Last active: 2 months ago - 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
    548 hours
    4.98
  3. Nathan Davis Agency Contractor

    Senior Software Engineer

    United States - Last active: 27 days ago - Tests: 9 - Portfolio: 1

    In the past, I have been employed as a Java developer and software tester. More recently, I have been building production applications with Python, .NET, HTML, CSS, and Javascript. I also know some Clojure and Common Lisp. I enjoy learning new things, and am constantly honing my skills. I seek software development jobs that will both exercise the skills I already have, as well as help me develop new skills.

    Associated with: Positronic Solutions, LLC

    $45.00 /hr
    952 hours
    5.00
  4. Jimmy L.

    Jimmy L.

    MS Access/VBA/ShipWorks/Oracle/EnglishSpanishTranslator

    Bolivia - Last active: 21 hours ago - Tests: 24 - Portfolio: 43

    Bilingual Computer Science Engineer seeking an assignment in the area of databases development or Spanish-English translation.Dependable professional with over 9+ years experience as a system analyst with strong knowledge of the software life cycle and programming techniques. My experience include Ms Access, SQL, Visual Basic for Applications (VBA), and Oracle PLSQL/Pro*C. If you would like a good quality work with a fast turn around for a cheap price, contact me and you won't be disappointed. I deliver my job including the code. I'm proficient in English since I studied and worked in the U.S. for about 2 years. I enjoy working at odesk and I'm very thankful to this site.

    $19.99 /hr
    3,585 hours
    4.85
  5. giacomo grande

    giacomo grande

    Expert in PHP, MySQL, HTML, CSS, JavaScript (jQuery), AJAX

    Italy - Last active: 21 hours ago - Tests: 3 - Portfolio: 7

    Over the past seven years I have been working full time as a web developer on many projects. I'd like to be part of interesting new web applications whether it requires building from scratch or enhancing and maintaining existing code. My main development skills are in Javascript + jQuery, AngularJs, AJAX, Twitter Bootstrap, HTML, CSS, LESS on the client side and PHP + MySql on the server side.

    $22.22 /hr
    2,282 hours
    5.00
  6. Umesha D

    Umesha D

    epub, mobi, Kindle, ebook, Smashword, XML, Html5, Java Script

    India - Last active: 21 hours ago - Tests: 3 - Portfolio: 9

    Over the last 8 years of experience in ePublishing service and 3 years of Freelancer in Odesk. I have Created many ebooks Fictional and Non-Fictional ebooks, ePub, MOBI, KINDLE, Children books with interactive animations, audio narration. Fixed layout and Reflowable epub books. Extensive experience in ePub, Mobi, JavaScript, HTML, XML, Perl, php development. My core competency is complete ePublishing solutions and I am seeking opportunities to work with developments. I also have some experience in the following areas: HTML5, Javascript, JQuery and software design.

    $10.00 /hr
    424 hours
    4.96
  7. Sharon Hu

    Sharon Hu

    Trilingual web designer / translator - English, Chinese & Japanese

    United States - Last active: 1 day ago - Tests: 2 - Portfolio: 4

    Throughout years of working as a language consultant, translator/editor in Japan, my multilingual translation skills in English, Japanese and Chinese have reached a proficient level. Currently I am doing translation work on daily online news articles from Japanese to English for a marketing company Upon the translation work experience, I also have extensive web design & online shop management work experience on Magento, Joomla and Wordpress platforms. I have designed a company website: www.globalbest.com.hk using basic html and css. Now I am working on e-commerce website development and page optimization, SEO, social media network and other online marketing tools to help my clients to reach out target customers in Japan, Hong Kong, China, as well as global market.

    $20.00 /hr
    1,207 hours
    5.00
  8. Sergio S.

    Sergio S.

    Web Developer, Multimedia Editor, Portuguese Translator and more

    Portugal - Last active: 21 hours ago - Tests: 16 - Portfolio: 4

    With more than 5 years of experience, i have already developed websites of various types and for different purposes. My skills include HTML, CSS, JavaScript, PHP, WordPress and Joomla, among others. While developing websites, i have gained plenty of experience with many accessory services, like editing of audio, video and images/photos. I am mainly a web developer, but i also translate. My knowledge of programming and technology makes me especially suited for translating texts with embedded code or technical terms.

    $15.00 /hr
    1,063 hours
    4.99
  9. Manuel Cepeda

    Manuel Cepeda

    Junior Developer and Designer

    Colombia - Last active: 13 days ago - Tests: 15 - Portfolio: 5

    I work easily on tasks related to program management in Office & Windows software, office tools like Excel, Access, Word, Power Point, Windows Server, Autocad in different versions of the same. Handling tools such as Excel and Access macros, spreadsheets, and databases. I have knowledge comparable to a technical level software configuration, maintenance, equipment cleaning hardware for PCs, laptops and notebooks. Currently preparing as a systems engineer hope to achieve success as an engineer, developer and programmer in various aspects related to areas such as languages, software development, networking, hardware, support, etc. As a developer I have knowledge in C / C ++, Net, Java, Python, Perl, Php, SQL, UML, Joomla, Drupal, Wordpress, Spirate, MediaWiki, HTML, JavaScript, Photoshop, Gimp, Illustrator,flash. Expecting to raise my developer skills and focus my actions focused on developing software. http://glul.info

    $13.33 /hr
    137 hours
    4.77