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 K.

    Daniel K.

    ASP.NET MVC, API, AngularJS Lead Developer

    Ukraine - Last active: 6 days ago - Tests: 2 - Portfolio: 2

    I'm a full stack .NET Web developer with over 6+ years of experience and fluent spoken english. Worked for Danish, US and UK companies on complex enterprise solutions as well as small to large web based apps and services for startups. From time to time I also contribute to open source projects. Here is what i use during the day: - C# - EF both code first and database first (depending on the project type) - ASP.NET WEBAPI - ASP.NET MVC 3/4/5 - Orchard - HTML5, CSS3, BOOTSTRAP - Vanila JavaScript, AngularJS - Agile development (SCRUM, Kanban) and more.. You're welcome to view my linkedin profile: http://bit.ly/DanielK-Dev Feel free to contact me if you need help implementing your next idea or need support with a running systems to discuss the project in detail. Thanks, Daniel

    Groups: Application Developers Alliance

    $40.00 /hr
    2,209 hours
    4.80
  2. Robert B.

    Robert B.

    Umbraco / Sitecore / ASP.net / WPF/ SQL / Real Estate Sites

    Russia - Last active: 14 days ago - Tests: 1 - Portfolio: 16

    I have eight years experience in developing web applications using ASP.net, MSSQL, XSLT, Razor, jQuery, AngularJS and also Umbraco/Sitecore CMS websites for big companies and medium businesses. Over last 7 years I've done more than 40 Umbraco and Sitecore sites for customers in USA, Canada, Australia, Sweden, UK, Belgium, Denmark, Norway and Spain. I also have a team of developers who can assist me in any kind of .NET projects. Unique experience in creating and making successful real estate sites. I also have big experience in creating Windows client apps using WPF. I'm willing to communicate in any suitable time through Skype, GTalk or other preferred IM.

    $33.33 /hr
    2,768 hours
    4.98
  3. Ryan Bobrowski

    Ryan Bobrowski

    Web Developer - php, mysql, laravel, wordpress, git, jquery, sass

    United States - Last active: 16 days ago - Tests: 12 - Portfolio: 3

    I'm a well-rounded developer who has worked on a variety of front and back-end projects. My passion is creating clean, extensible code using best practices and design patterns. I absolutely love developing in Laravel, and I've recently picked up Angularjs and Wordpress plugin development. In addition, I have years of general PHP, MySQL and JavaScript/jQuery experience, and I consider my front-end responsive design and development skills in HTML5 and CSS3/Sass top notch.

    $38.89 /hr
    1,390 hours
    4.80
  4. Emil Ajdyna

    Emil Ajdyna

    Full-Stack JavaScript Developer

    Poland - Last active: 20 days ago - Tests: 9

    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
  5. Eugene S.

    Eugene S.

    Java Web Architect

    Russia - Last active: 1 day ago - Tests: 2 - Portfolio: 5

    Hello, I am an experienced engineer capable to design, plan, lead and develop complex backend and web systems. I find and apply technical remedies to your business challenges. For over seven years I have been sharpening my skills in Java platform programming, optimization of data storage and processing using RDBSM, development process automation, various automated application testing. Taking the sum of your business goal objective I convert it into a realistic plan to reach it, presenting my opinion and ideas. I seek for engineering challenges and projects that make real users happier. I specialize in developing application backend with Java, Spring, modern RDBMS and 3rd party APIs reuse. Some other tools/libs I use in my work: MySQL/PostgreSQL/Oracle, jQuery, Angular, Twitter Bootstrap, Git. My previous experience also includes: Grails Framework, IBM WebSphere ESB, Swing.

    $44.44 /hr
    3,914 hours
    5.00
  6. Chema M.

    Chema M.

    Developer - Javascript - Google Maps API - AngularJS

    Spain - Last active: 2 days ago - Tests: 2 - Portfolio: 17

    Front end and back end developer [Javascript, AngularJS, NodeJS, MongoDB, Twitter Bootstrap, PHP, MySql, Phalcon], Maps & Google Maps Expert [Google Maps API, OpenStreetMap, Leaflet, GPX] , Native and Hybrid Apps [Xcode, Android SDK, Ionic, Cordova] - Algorithms [Optimization, Maths, Physics]. I enjoy learning new languages and technologies. Developing I like to face hard tasks to organize a project and produce efficient algorithms with clean and structured code. After a mathematics degree, I have been working during last 15 years in two areas: Development and Education. Starting developing with C, C++, Visual Basic,.. I have been using diferent languages and tools: PHP, Javascript, ASP, Visual Basic.NET, .... also using some frameworks and apis: Google Maps API, AngularJS, .... In last years I started with native and Hybrid Apps. In education, I have teaching probabilty, calculus, algebra, and programming fundamentals, security, operating systems,...

    $33.00 /hr
    254 hours
    4.98
  7. Valery V.

    Valery V.

    PHP / MySQL / AJAX / Smarty / Joomla / SocialEngine / WordPress dev

    Ukraine - Last active: 6 days ago - Tests: 4

    I am experienced full stack web application developer(over 8 years). I’ve created a number of complex systems including dating sites, social networks, e-commerce sites, inventory management systems, scheduling systems, forum applications, and internal organizational systems. I have Master Degree in Computer Sciences and strong technical background as well as a keen eye for design. My feedback is 5 stars because: • I always stick to deadlines, • I have an excellent communication skills, • I'm available almost 24/7 via Skype, • I have a stable internet connection, • I love to turn clients ideas into reality. Looking forward to a long term relationship.

    Groups: Bluehost Developers and Designers, SocialEngine

    $40.00 /hr
    3,890 hours
    4.87
  8. Nikolay C.

    Nikolay C.

    Brainbench certified JSE/JEE dev, DB dev, Sys-Arch

    Ukraine - Last active: 1 day ago - Tests: 2 - Portfolio: 11

    Would you like to find a powerful Java-dev? If so, please read further... 1. Intentions I'm working as a free-lancer more than 2 years already, and worked > 12 years in scientific and software engineering areas. I'm here because I'm looking worldwide for interesting work related to software development using the following technologies (some or all): - Java 5/6/7 (JSE, Swing, CORBA, Web Services, etc.) - JEE5/6 (EJB3, JSF, Hibernate, etc.) - GWT, Spring, Struts, etc. - And other JSE/JEE-related frameworks - GlassFish, Tomcat, JBoss, Jetty, etc. - JME (CLDC 1.1, MIDP 2.0) and Android - Maven, Ant, etc. - Oracle, MySQL, PostgreSQL and other DBMS - Some sub-tasks could be related to C/C++ with STL (but NOT the whole project!) - UML and/or Agile Modeling - Well-organized Agile processes - Etc. It would be nice to be involved into software concepts and architecture development. Also it would be nice to have possibilities for applying my initiative and creativity. I'm ready to work as a free-lancer for the beginning up to 40+ hours per week), and you may hire me as a full-time employee as well. I'm ready to move mostly to any country or city. In such case I'm ready to start as a developer (or senior developer), but with possibility to grow up to TL, and further up to SA or PM (of course, starting from TL or SA would be nice). 2. Education - University Master Degree in the area of Informatics and Computer Systems 3. General Skills I have a wide working and scientific experience with dozens of technologies (> 14 years). The most deep experience I have with the following techs: - JSE5/6 and J2SE (Java Core, Multithreading, AWT, Java2D, Swing, CORBA, WebServices, Networking, etc.) - since 1998 - JEE5 (EJB3, Hibernate3, JSF, CometD, Jetty, Tomcat, JBoss, GlassFish) - about of 5 years - J2ME (CLDC 1.1, MIDP 2.0, WMA) - about a year - Other Java techs (Jakarta Commons, Log4J, Velocity, Maven, Ant, etc.) - many years - Android development (support about 0.5 years) - C/C++ and STL - since 1995 (STL from 2001) - Oracle 9i/10g, MySQL, PostgreSQL, InterBase - since 2000 - OOA/OOD/OOP and UML Modeling - since 1995 (UML from 2001) Large experience with the following platforms and tools: - Windows - since 1995 - Linux/UNIX - since 1997 - MS Office (incl. Visio and Project) and Star/OpenOffice - since 1997 - IntelliJ IDEA, NetBeans, Eclipse - since 2001 - C++Builder and Delphi - since 2000 - PL/SQL Developer - since 2005 - Enterprise Architect and other UML tools (Rational Rose, Poseidon, etc.) - since 2001 Git, SVN and CVS - since 2001 Management Skills - since 2004 (worked on TL and PM positions) Architect Skills - since 2000 (designing concepts, business models and architectures for quite complex scientific, B2C and B2B applications) Language Skills: - Russian - native - English - fluent, working language since 2001, ~1000 pages of docs written - German - intermediate (quite fluent, but non-perfect) - Ukrainian - can understand in 100%, cannot speak/write fluently 4. Contacts - You can contact me via oDesk. Usually online (GMT): - 10:00am - 5:00pm - 7:00pm - 10:00pm

    $40.00 /hr
    14,092 hours
    5.00
  9. Jonathan Duncan

    Jonathan Duncan

    C#,VB,WPF,ASP,MVC,WebAPI,HTML5,Bootstrap,Javascript,Angular,SQL,SSRS

    Canada - Last active: 2 days ago - Tests: 7 - Portfolio: 6

    25+ years of programming, 14+ years as a job. It's not just how I make a living, it's also something I really love and enjoy doing. I develop robust desktop software, great responsive websites, optimize databases and create reports. I communicate well and feel that it is my duty to let the client know how things are progressing. I also give constructive input but respect the client's final decisions. I program desktop programs in C# and VB.Net (both WinForms and WPF) and websites as either ASP.Net, MVC 5 or single page Angular applications. I have worked heavily with MS Access and MS SQL. I have extensive experience writing reports for SQL Server Reporting Services(SSRS) and RDLC reports for web and desktop applications. Here are a few aspects of the challenging projects I have worked on so far. Added eyedropper functionality (pick a color from an image) using HTML5 Canvas and listed fonts installed on the computer to a single page SVG graphic editing web app. Created custom mouse cursor. Runs on Chrome, Firefox, Safari, Opera and Internet Explorer. Created response Bootstrap WebAPI/Angular site to teach Latin. Created an MVC 5 demo website for travel agents to create and manage quotes. Wrote a program to play music on a low-latency and high fidelity 8 output channel professional sound card. Created an output program for industrial displays. Wrote a program that receives industrial protocol messages over TCP/IP and follows with the appropriate action. Read and nicely write INI files. Created solid user registration and product activation for desktop applications. Created graphic editor with easy user interface for complex set of symbols. Advanced document layout for specialized graphics. From a third party website, retrieve the distance between two locations for use in calculations. Load GoogleMaps map in desktop application with route between source and destination addresses. Created an ASP website to edit database. Created custom JqueryUI controls to validate and display the data in a user friendly way. Make websites with HTML5, javascript, and JQuery. Created and optimized MS SQL databases. Displayed time from events in database in the user's time zone. Optimized, rotated and created arrays of 3D data. Created fast working implementation of a query to find areas of similar data throughout millions of records for MS SQL. Made reports (SSRS) with automatic emailing to the clients. Made a RDLC report for a desktop application based on MS SQL. Implemented a full costing program in MSAccess. I also speak, read and write English, French and Spanish fluently.

    $40.00 /hr
    3,451 hours
    4.75
  10. Mohamed Faramawi

    Mohamed Faramawi

    Full Stack Software Engineer

    Egypt - Last active: 1 day ago - Tests: 2 - Portfolio: 1

    Im a software engineer backed by 12 years of experience and proven ability to develop high-performance applications and technical innovations. My technical experience areas includes : Working on cross-platform solutions (Windows, Linux). Built solutions using several scripting/programming languages (Java,Python,C#,JavaScript,PHP,ASP.NET,Node.js). Experience in data storage solutions (MS SQL Server, MySQL, Mongodb, Redis). Advanced knowledge of web development frameworks/tools and best practices (HTML,CSS,JQuery,Backbone.js, Django, Pyramid,Express.js) Large data processing tools (Hadoop) Web servers like (Apache, Nginx, Tomcat, IIS) Unit testing frameworks and continuous integration tools. Source Version Control applications (SVN, Git) Amazon Cloud Services (AWS, S3) And there is much more to list of skills i gathered over the years.

    $45.00 /hr
    5,296 hours
    4.93