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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, 4,711 JavaScript projects are completed every quarter on Upwork.

4,711

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: August 1, 2015
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  1. Andriy M.

    Andriy M.

    Web Developer / Programmer / Wikipedia expert

    Ukraine - Last active: 4 days ago - Portfolio: 8

    I'm a programmer and Wikipedia expert. I create websites and develop software with Python/PHP/C. In love with sophisticated algorithms and problem solving. I have a degree in computer science (with emphasis on applied math), and I successfully completed one year of masters program in economics. I edit Wikipedia in my spare time as a long-standing hobby (10+ years), but I do paid consulting and article writing as well. Will be glad to help with your issues on this! Graphic design tasks can be done by my good friend. And he is great!

    $15.00 /hr
    1,039 hours
    4.94
  2. Matthew Davids

    Matthew Davids

    Software Architect

    United States - Last active: 8 hours ago - Tests: 3

    Currently doing a few different things. Among them: - Cloudformation and infrastructure design on AWS: - Autoscaling, S3, couchbase, node applications, Chef - Javascript Single Page Application design: - React.js, gulp, semantic-ui - Fluid Dynamics/Modelling in Processing: - Side project, not professional. Navier-Stokes, numerical methods, computer graphics, etc. I previously developed provisioning and deployment solutions for a client's in-house automated testing infrastructure. The majority of this was done in Ruby, with some variations dictated by DSLs in Chef and Vagrant, as well as a number of scripting languages, as required. I've also managed a team of 3-5 software engineers working on provisioning automation/DevOps projects. Current Frameworks and JS tools: React.js, backbone.js, gulp.js, bower, browserify, node, etc... More to come shortly. Current Languages: JavaScript, Ruby, Chef, Batch, BASH, Powershell, XML, JSON, AutoIT Current Tools: Chef, Amazon Web Services, Vagrant, Ant, InstallAnywhere, Install4j Current Operating Systems (configuration, software deployment, etc): Windows Server (2003 - 2012) SLES 11 RedHat 6.4 CentOS 6.4 Ubuntu 12.04/14.04 Amazon Linux Past Languages: Processing, C++, Java, OpenGL, Octave, MATLAB, Mathematica, SQL, C, C#, LUA, R, and Python Other: Verilog, VHDL, Oculus Rift, Razer Hydra

    $60.00 /hr
    1,971 hours
    5.00
  3. Rebecca B.

    Rebecca B.

    Experienced QA Tester

    United States - Last active: 5 days ago - Tests: 2

    Experienced QA and Pre-QA testing for the past eight years for Goldman Sachs, a major US investment bank, testing in-house developed applications. I have solid experience in testing the following: -All major web browsers (IE, Firefox, Chrome, Safari) -Functionality testing -regression testing -black box testing -functionality testing -GUI testing -Mainframe testing I work very closely with developers and users (as needed) in developing, creating and executing test scripts. I am very comfortable testing on various platforms. I am very experienced in using various bug tracking software applications (i.e. JIRA). I typically use BrowserStack to test on multiple platforms and devices. I am also able to do automated testing through Selenium using Selenese. I have worked on over 20 projects that span users and developers all over the world. This would include users and developers in India, China, Singapore, France, UK, Spain, Italy, Brazil and the US. These projects include brand new functionality, enhancements to existing pieces of software, and brand new software. I love to work with developers and users globally. I am a quick learner and self starter. I am able to learn any new piece of software you can show my quickly and accurately. I am looking to make sure your clients have best online user experience possible by checking for mistakes and inconsistencies in your product. I look forward to hearing from you.

    $20.00 /hr
    79 hours
    5.00
  4. Muhammad Ali Sindhu

    Muhammad Ali Sindhu

    WordPress Expert and Professional Web Developer

    Pakistan - Last active: 2 days ago - Tests: 4 - Portfolio: 11

    I am an expert in WordPress with 2 years of experience in web development, WordPress projects, HTML, CSS, PHP, JQuery and Javascript. I am a software engineer and specialized in web development. If you are looking for a reliable, responsible, prompt and an honest person that can handle all your project tensions in a positive manner, you are looking at the right person. Just hit the contact button and leave me a message. I'll contact you within a few hours! Be it a simple, complex, eCommerce or a membership site, I have experience of them all. In Last 2 years, I have developed many WordPress and Joomla websites with absolutely 100% client Satisfaction. I am an expert of level 10/10 in following: * WordPress * WP-eCommerce and WOO commerce * Joomla * HTML * CSS * PHP and MySQL. * Google webmasters and analytics * SEO * Setting up hosting * WordPress Migration (From one host to other host) and Backup * Themes customization I have knowledge and practical experience of working with many systems like Goddady, Bluehost, westhost, aplus, hostgator, Panthor, OAP, Aweber, Volusion, wishlist, s2member, authorize.net, paypal, 2checkout, USPS shipping woo commerce etc. This list goes on! I have worked with and custiomized almost all famous WordPress plugins. I am Seeking opportunities in All sort of WordPress and other website projects: * Any website project from scratch or adding new feature. ( WordPress, HTML/CSS, PHP ) * eCommerce (Online store/shop using WordPress eCommerce, woo commerce, prestashop,authorize.net,2checkout, paypal etc) * Website administration, update, blog posts, addition of products etc If you want to make your next project a real success, contact me now and we will discus how I can help.

    $33.33 /hr
    43 hours
    4.90
  5. Manuel Cepeda

    Manuel Cepeda

    Junior Developer and Designer

    Colombia - Last active: 1 month 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
  6. Oleg Z.

    Oleg Z.

    Data mining, web automation, web scraping, software developer

    Ukraine - Last active: 4 days ago - Tests: 4

    Core skills: web automation, software developer, creating bots and scraping websites. With more then 2 years experiences in this field I can automate any process, create light/Human emulation bot, bypass any kind of security from detecting IP to captcha with the maximum accuracy and speed. I have always enjoyed the challenge of creating interactive software. Programming is my life and my language. I have a Master's degree in Software Engineering (TNEU). I work with: — C# .NET — iMacros — JavaScript — HTML — CSS — MQL5

    $20.00 /hr
    7 hours
    5.00
  7. Alex Gohberg

    Alex Gohberg

    Software Engineer,Software Developer,Web Designer,Android Development

    Israel - Last active: 1 month ago - Tests: 5 - Portfolio: 5

    i am a highly skilled professional website designer with 5+ years design experience. I am multi-faceted with the ability to help businesses succeed and grow with their website design, SEO , Lead Generate,PPC and more. I am capable of handling the smallest individual jobs or large scale projects. My skills include: -WordPress -CPanel -WebMaster - Squarespace - SEO,PPC,Adwords - Logo Design - Branding - Adobe Photoshop - PHP - ASP.NET Framework 4.5 - C - C# - Java, Java EE, - WPF - HTML5,CSS 3, JavaScript (JQuery, Angular JS), - Android - UNIX - SQL. The web industry is always evolving and changing and I make it a point to stay in the know and up-to-date with industry standards and trends. I design websites and email marketing with a mobile first mentality so that your brand is communicated and represented best across all devices. I work efficiently, professionally, and strive for satisfied clients. I love to see clients succeed and help them grow their business. Let’s work together and distinguish your company from the rest! Extensive experience in a computerized environment and familiarity with the world of the Internet and software and Web Development: C,HTML5,JavaScript,C ++,Java, PHP, Android Development, SQL, and Photoshop Programming Languages: PHP, ASP.NET Framework 4.5, C, C#, Java, Java EE, WPF, HTML5, CSS 3, JavaScript (JQuery, Angular JS), Android, UNIX, SQL. Programming Tools: Visual Studio 2010-2013, PLSQL, MySQL, Microsoft Office 365, Drupal, Joomla, WordPress, Eclipse, bootstrap, Brackets, cPanel, SCOM, Tivoli, and PLSQL. My specialty Is Web Design,WordPress Setup And customization.

    $20.00 /hr
    5 hours
    5.00
  8. Bruno Skvorc

    Bruno Skvorc Agency Contractor

    Technical Writer, Editor and Developer

    Croatia - Last active: 1 day ago - Tests: 4 - Portfolio: 1

    I'm a web developer from Croatia with a focus on back end development, particularly PHP. I'm also SitePoint's editor for the PHP channel, and developer evangelist for Diffbot.com, dealing with loads of input from various sources requiring me to learn new technologies daily and consume copious amounts of code. I'm also an experienced technical writer and teacher - I have a Master's degree in Computer Science and another in English Language and Literature - and a veteran proofreader. Areas of expertise include JavaScript and PHP development of all kinds, custom content management systems, online publishing (building custom tailored manuscript tracking systems), construction of dynamic email campaign and newsletter systems and building custom tailored business-specific CRM systems. Find more information, see my linkedin profile: http://hr.linkedin.com/in/swader

    Groups: Crossrider, LoginRadius

    Associated with: Flyingpiranhas

    $55.56 /hr
    745 hours
    5.00
  9. Alexander S.

    Alexander S. Agency Contractor

    .NET/ASP.NET MVC/SharePoint Developer

    Belarus - Last active: 4 days ago - Tests: 8 - Portfolio: 4

    I specialize in the web-development based on .NET technologies. In close touch with ASP.NET MVC, C#, MS SQL Server, Javascript, Html, CSS. Also I have good knowledge of EF, SQL, mongoDb (noSQL), Web API, OData, Twitter Bootstrap v3, Google map API, Kendo UI, JQuery, Azure and other related frameworks and technolodgies. I have big experience in Sharepoint 2010/2013 and Project Server 2010 development. Always interested in your proposal and also open for discussion.

    Associated with: Alverden Agency

    $22.22 /hr
    19 hours
    5.00
  10. James K.

    James K. Agency Contractor

    JKWEBCO Website Design and Development Consultant

    United States - Last active: 1 day ago - Tests: 9 - Portfolio: 13

    Currently Working on WordPress Customizations and Conversions and migrating from static HTML sites. Working as an entrepreneur in start-up business challenges in the areas of 3D printing, autonomous vehicles, solar energy, artificial intelligence (AI) deeplearning recurrent neural nets (RNNs), MOOC's educational attributes and more. Looking to connect with others in a start-up venture and combine strengths and weaknesses in a team environment. __________________________________________________________ Wordpress and Opencart( wp-ecommerce, many other plugins and customizations), PHPmyDirectory, I also work with Joomla and Drupal Web Platforms and several others to mention a few. Customized Website redesign and template customizations. Graphic Design and Custom Work. PHP, MYSQL, Apache, HTML, JavaScript. Committed to an enthusiastic and work oriented Professionalism. I Look forward to building long term work relationships with companies and individuals that have started something and want to make it better. I will always try and follow up and be responsive to your suggestions and or needs. I Look forward to solving issues that are burdensome, cumbersome or the unknown. Interview me if looking for an excellent WordPress designer pro. You will find my portfolio a source of my excellent workmanship. I am available to see your project through from the beginning to end. Looking forward to seeing what your needs are, and to have the project accomplished in a timely professional manner. Just to let you know I am on probation for a misdemeanor , I am required to tell you this, although it does not mean a thing and will have nothing to do with the work involved here, just a formality. See you on the Upwork/Odesk...

    Associated with: JKWEBCO | Web Design Co. Agency

    $90.00 /hr
    138 hours
    4.54