ECMAScript Freelancers

Browse ECMAScript job posts for project examples or post your job on Upwork for free!

ECMAScript Job Cost Overview

Typical total cost of Upwork ECMAScript projects based on completed and fixed-price jobs.

Upwork ECMAScript Jobs Completed Quarterly

On average, 2 ECMAScript projects are completed every quarter on Upwork.

2

Time to Complete Upwork ECMAScript Jobs

Time needed to complete a ECMAScript project on Upwork.

Average ECMAScript Freelancer Feedback Score

ECMAScript Upwork freelancers typically receive a client rating of 5.00.

5.00
Last updated: May 1, 2015
More options
Clear all filters
  1. Maksim K.

    Maksim K.

    Web and Desktop Software Developer

    Russia - Last active: 1 day ago - Tests: 3 - Portfolio: 5

    PERSONAL SUMMARY A highly organised and versatile IT professional with a proven track record of using excellent engineering practice to produce software for profitable products and solutions. Starting from 2002 I have been developing numerous Web based applications, Desktop applications and Mobile applications - possessing a long record of achieving the desired outcomes of the projects be them just small applications or huge web systems. I am able to perform full software development life cycle activates. AREAS OF EXPERTISE PROFESSIONAL: Web Development / Programming □ Project Management □ Database and Query Design, Optimization, Synchronization Server Instance Configuration and Data control □ Multithreading and Asynchronous Applications □ Networking, Streams & Sockets □ UI/UX and components development, skinning □ Web Systems Administration (Apache, FreeBSD, Windows, MySQL, PHP, Subversion) □ Organic SEO (Search Engine Optimization) □ Valid code with cross-platform/browser compatibility SKILLS: Technologies: □ OOP □ MVC □ Spatial Extensions (GIS Geometry) PHP: □ Zend Framework □ PEAR □ Smarty Template Engine □ Doctrine, Propel, ADOdb □ Snoopy □ Memcached / Redis □ REST, XML-RPC, JSON-RPC JavaScript / CSS / CSS3 / HTML / HTML5 / XUL: □ DOM □ JSON □ AJAX □ XML / XSL (XPATH, XSLT transformations) □ AngularJS / AngularUI □ Bootstrap □ jQuery □ Modernizr □ Underscore JS □ Lo-Dash JS □ D3 JS □ YUI 2 □ ActiveWidgets □ Moment JS □ Sass, Compass □ SQL.js ActionScript / AIR / Flex: □ as3corelib □ greensock □ as3-utils □ Box2D, Starling □ As3Crypto □ as3 GATracker Databases: □ ANSI SQL □ MySQL □ SQLite □ SQL Server □ NoSQL C# / C++ API: □ Facebook API, VK API, Twitter API, LinkedIn API □ KRPano □ Google Maps API DEVELOPMENT ENVIRONMENTS AND TOOLS: □ Sublime Text 2 □ Zend Studio □ FlashDevelop / Adobe Flash Builder / Adobe Flash Professiona □ Microsoft Visual Studio □ EMS MySQL / MySQL Workbench / SQL Server / SQLiteStudio □ Grunt JS □ SVN / GIT / WinMerge □ Putty □ Firefox (FireBug) / Chrome / IE (IETest) □ CuteFTP / GoodSync □ Adobe Fireworks / Adobe Photoshop / Adobe Illustrator PERSONAL SKILLS □ Able to work individually, as part of a co-located team or as part of a distributed global team. □ Acting as a role model for junior IT staff. □ Strong problem-solving and analytical skills. □ Self motivated and a quick learner. □ Ability to anticipate problems and develop effective solutions. □ Able to work under pressure and to tight deadlines.

    $44.44 /hr
    2,375 hours
    4.97
  2. Andrey G.

    Andrey G. Agency Contractor

    JavaScript Samurai - Make your things done

    Ukraine - Last active: 2 days ago - Tests: 9 - Portfolio: 8

    I have many years of experience of high quality coding. My job is creating huge and responsive single page applications. Besides, I work under my own open source projects. Look at my Github profile: github.com/finom If you need a developer who can create awesome apps and who knows how to work with big amounts of data, you're welcome!

    Associated with: Coding Farm

    $39.99 /hr
    3,111 hours
    5.00
  3. Yan T.

    Yan T. Agency Contractor

    Expert JS frontend and node.js developer

    Malaysia - Last active: 27 days ago - Tests: 3 - Portfolio: 4

    I like to learn new frameworks and languages. I produce highly structured and clean code. I love to stumble upon difficult tasks and find solutions even if they seem to be beyond my level. That way I can grow. I have honest billing policy and only charge for applying my skills. Any learning is done with timer off. That motivates me to learn faster. I'm focused on perfection and getting job done on a 5 star level. I'm proficient with following JS libraries (server and client side): - Parse, Firebase, AWS, GoogleApps - Angular JS and React.JS (my favorite!) - PassportJS (Social networks auth like Twitter, FB, Google) - Mongoose (DB mapper) - Mocha, Phantom JS, ProtractorJS - For unit and integration testing I use: - JSDoc - Gulp and Grunt - Bower - Less / SASS - Bootstrap - Github I'm Russian living in Malaysia. Always available on Skype \ G+ Hangout \ Email. I can provide you with samples of my open-source contributions on request. P.S. I'm a bitcoin fan!

    Associated with: Startup Services Ltd

    $55.56 /hr
    602 hours
    4.81
  4. Jignesh R.

    Jignesh R.

    MCTS - SharePoint Developer, Office 365

    India - Last active: 1 day ago - Tests: 2 - Portfolio: 4

    3 + Years expensive totally experience in SharePoint Technologies. I have worked on Moss 2007, SharePoint Server 2010, SharePoint Foundation 2010 , SharePoint Server 2013 , Office 365 (SharePoint Online) Current Activities : Full time developing on SharePoint App part, SharePoint-Hosted Apps, REST API, Branding Master Page, Custom Page Layouts into SharePoint 2013. Blog : www.sharepointempower.com Working Projects : - App parts in SharePoint 2013. - making SharePoint Hosted App for SharePoint 2013. - Intranet System in Moss 2007(IT Portal). - Synchronization Office 365(SharePoint Online) List Data to Window Azure Blobs and Render Html using MVC 3 Razor Project. - Events Module in SP Server 2010(FBA Application). - Workflow,Site Definition,Site Column,Custom List Definition,Event handler,Branding Used in SP Foundation 2010. - wcf service get data from .net application db and Render On SharePoint Online Pages though JsonP. Knowledge : Sequential Workflow,Feature Receiver,Customization Webparts, Fast Search Center Customization,Timer Job, Taxonomy Metadata, Asynchronous Webpart(DataFormWebpart),Branding SharePoint,Site Column,Publishing Sites,Jquery,Json.

    Groups: Microsoft Certified Professionals

    $22.22 /hr
    1,945 hours
    5.00
  5. Amit Gupta

    Amit Gupta

    A trainer who teaches Design and Animation.

    India - Last active: 1 day ago - Tests: 2

    I am a trainer and I teach Design and Animation for a living. I have been connected to the Animation Industry since 2009. I have worked as a Graphic/Web Designer, Video Editor, VFX Artist, 3D Graphics Designer and Currently I am a trainer. I freelance in my free time.

    $22.22 /hr
    57 hours
    4.96
  6. James Wilson

    James Wilson Agency Contractor

    Prototyping, R&D, optimization, javascript, django, rails

    United States - Last active: 01/15/2013 - Tests: 1 - Portfolio: 4

    Currently working on a PhoneGap/Cordova based HTML5 mobile word-game with music, casino sounds, reward schedules, leaderboards, and multiplayer. I just completed a django python UPS integration implementation for the backend admin interface for a high end shopping mall in New York. Before that I was doing NodeJS, jQuery, jQueryUI, Bootstrap for an e-commerce startup. Before that I handmade my own complex video search engine and scraper from scratch using jQuery, jQueryUI, Python/Django, and various video search APIs. I've also created a drag and drop facebook page creator using jQuery/jQueryUI, PHP. I just learned this November 2012: Ruby and Ruby on Rails, Heroku, as well as CoffeeScript! Aside from that I'm proficient in HTML5, AJAX (invented a couple of my own proprietary types), optimization, gamification (leaderboards, incentives, status, loyalty), PhoneGap/Cordova, PhoneGap Build, Adobe Flex and more. I know over 20 programming languages. I am versatile, agile, and results-driven, with demonstrated ability to complete high-end projects in different environments while meeting deadlines. I have proven leadership skills, and I have also worked effectively with teams to improve clients’ productivity efficiencies and enhance their competitive position. In addition, I have excellent verbal and written skills which enable me to communicate with personnel at all levels of an organization. I have an active subscription to CodeSchool.com amongst others. I am always learning something new, I love to learn! I have experience with many methodologies including Agile (Scrum, Planning Poker, User Stories). Specialties Agile, AJAX, jQuery, jQueryUI, usability, gamification, Adobe Flex, Adobe AIR, HTML5, optimization, improving and optimizing workflow and development, continuous integration

    Associated with: JamesWilson.name Agency

    $66.67 /hr
    2 hours
    5.00
  7. Muhammad Jamil Nawaz

    Muhammad Jamil Nawaz Agency Contractor

    Expert Architect (ASP.NET,Sharepoint, Office 365,Silverlight,Telerik)

    Pakistan - Last active: 1 day ago - Tests: 4 - Portfolio: 10

    I have more then 10 years software development experience using Microsoft .NET Technologies. I have passed Microsoft Certification Exams and I am Microsoft Certified Professional Web Developer (MCPD.NET). I have developed various enterprise level business applications (Document Management, Record Managment etc) using various Microsoft .NET Technologies (ASP.NET AJAX, ASP.NET MVC, Sharepoint, Silverlight, WPF, WCF). I have more then 7 years experience working with telerik controls (Silverlight, ASP.NET AJAX, MVC, WPF and Kendo, Reporting). Here is the general list of technologies that I am working with: ADO.NET, AJAX, ASP.Net, ASP.NET MVC, C#/.Net Silverlight 4/5 DotNetNuke SQL Server 2000, 2005 SQL Server Integration Service SQL Server Reporting Service Telerik ASP.NET AJAX Controls Telerik Reporting Telerik Controls (ASP.NET AJAX, ASP.NET MVC, Silverlight) TSQL 2000/2005/2008 VB/.NET Web Services Window Services XML WSS 3/MOSS 2007/2010 WCF/WCF RIA Services WPF Flex/Flash Builder Action Script 3 CSS HTML4/5

    Groups: Microsoft Certified Professionals

    Associated with: MJN Softwares

    $22.22 /hr
    8,439 hours
    4.80
  8. Ashim S.

    Ashim S. Agency Contractor

    UI/UX Developer [ Available 30+ hrs ]

    India - Last active: 1 day ago - Tests: 8 - Portfolio: 14

    HTML5 | Canvas Programming | Javascript | Backbone | PrototypeJS, EaselJS, CreateJS, AngularJS | CSS3 | AS3 | Flash | Flex | AIR | PHP | Photoshop | PhoneGap | Mobile Games | Articulate | Adobe Captivate VPAID, Video streaming, IPTV, Banner advertising development In addition have knowledge in the elearning domain and have expertise in creating educational course ware with SCORM/ AICC standards.

    Groups: BoonEx

    Associated with: Pixel Interactive

    $25.00 /hr
    1,276 hours
    4.82
  9. Nikunj Kotecha

    Nikunj Kotecha Agency Contractor

    Mobile Application Expert

    India - Last active: 1 day ago - Tests: 9 - Portfolio: 8

    My skill-set: - Native: iOS, Android (Objective-C, Swift, Java, C#, C, C++) - Web service: XML/JSON, REST/SOAP, eCommerce - Device, Kit: Bluetooth Low Energy, iBeacon, NFC, credit card reader, MIDI - Cloud backend: Parse, Amazon - Video/audio/image processing: OpenCV, GPU Image, CoreAudio - Video/audio streaming, codec: Wowza, Red5, H.323, MPEG-4 - Speech recognition, text-to-speech, Siri

    Associated with: SolutionAnalysts Pvt Ltd

    $22.00 /hr
    488 hours
    4.52
  10. John Efemer

    John Efemer

    Full Stack Developer

    Bangladesh - Last active: 5 days ago - Tests: 3

    Develop seemingly working systems with efficient web technologies such as docker, angularjs, hhvm, aws, nosql, json, machine learning for web, stripe payments etc; in the manner of api first platform with mobile first user interface. My analogy of solving problem is by creating smaller problems that compartmentalize each properties and behaviors into agile components that complements project growth, A/B testing and feature experiments.

    $35.00 /hr
    0 hours
    4.44