Java Script Freelancers

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Umesha D

Umesha D

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

India - 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.

100% Job Success
$11.11 /hr
428 hours

Grigory Zhebrunov

Grigory Zhebrunov

Senior Web Developer (ASP .NET, C#, Silverlight, Java Script, WCF)

Russia - Tests: 5 - Portfolio: 12

My technical summary: - HTML/DHTML/HTML 5, ASP.NET1.1/.NET2.0/4.0, MVC 3 with Razor, Silverlight, Entity Framework 3.5/4, LINQ, WCF, javascript/jQuery/toolkit, Remoting, log4net, NUnit, JavaScript on IIS server, Java SE/EE, JSP, Eclipse on Tomcat server; Ruby, Watir, Ruby-on-Rails on Web-bricks. - C/C++/VC++/C#.NET development with API/technologies: Win32 API, MFC, OLE, COM, STL, ATL, GDI, OpenGL, .NET, ActiveX, Automation, DirectX, MS XML, MS HTML. - NUnit, Watir, Selenium, Squish Frog Logic, MS Team System, development of Web-test automation tool based on Selenium RC. - Reporting: Reporting Services, Microsoft Report Viewer, Crystal Reports. - Borland Delphi: small windows applications and one large project using the technologies Fast reports, ADO, Automation, OmniXML. - Database development: MS SQL 2000/2005/2008, MS Access, MS Excel, technologies: DAO, ODBC, OLE DB, ADO/ADO.NET, MS Office Automation, SQL/T-SQL (SP, triggers), design of databases with ErWin - Mathematics research: complicated mathematical hands-on tasks solving, Fuzzy Logic, Neural Networks, Expert Systems, Genetic Algorithms, etc. Graphics programming and Game Development: 2D and 3D image processing, computational geometry, game physics. - Computer modeling: GPSS, Arena. - Operating systems: Windows 95/98/Me/NT/2000/XP, Windows CE, Windows Server 2000/2003, MacOS X Leopard. - Source control systems: Pocket PC 2003, Windows Mobile 5, Native Visual C++. - Other: design patterns, files format parsing, data storing technologies, reverse engineering, search systems (full-text search), cryptography.

100% Job Success
$25.56 /hr
8,744 hours

Kamaljit K.

Kamaljit K.

PHP Web Designer ,Wordpress,Facebook app,CSS,Java Script

India - Tests: 1 - Portfolio: 6

From last 5 years....I am a Web Developer PHP, Wordpress,Magento,Oscommerce,Zencart,Theme customization & integration as well plug-in,API development, Facebook app, HTML, CSS, JAVA SCRIPT, AJAX,HTML 5, Jquery . Web designer HTML5, Javascript, Jquery, Responsive design, UI design, twitter bootstrap ,template design.Parallax design.

$10.00 /hr
716 hours

Ashish gupta

Ashish gupta

Web/Mobile Development I Mobile UI I wordpress I Java Script I Flash

India - Tests: 10 - Portfolio: 7

I m having 7+ year experience in mobile game/application designing & website development, wish to pursue a highly challenging career in IT field, where in I can apply my knowledge to effective utilization and realization of my creativity, acquire new skills and work with a team of experienced professionals.

Groups: Application Developers Alliance

100% Job Success
$13.33 /hr
190 hours

Yuriy P.

Yuriy P.

Expert web-developer PHP (ZCE) / Python JavaScript / HTML / CSS

Russia - Tests: 9 - Portfolio: 7

Hi, I developed web applications for last 4 years using PHP, MySQL, xHTML, CSS, JS (native and with framework). I worked on absolutely new projects and maintained existed ones. I also have some experience in SQL, Ajax, OOP, JSON, XML and worked with different php frameworks (I prefer Kohana to build websites from the ground up).I'm seeking work to create awesome web applications. If you have some work for me - let's discuss collaboration.

Groups: Zend Certified Engineers

100% Job Success
$33.00 /hr
3,493 hours

Gaurav singh M.

Gaurav singh M.

Full Stack Software Engineer

India - Tests: 14 - Portfolio: 83

******1st position in 11 Upwork tests from a total of 14 in which I appeared****** I am a Senior Full Stack Php / MEAN Stack / Front-end JavaScript Engineer with extensive background in building web & statistical systems for clients all over the world since 2000. I am a Chemical Engineer by studies, which has helped me alot in understanding coding concepts, optimization & security protocols. I am a team player and have been part of teams as a Programmer, System Engineer, Project Manager, Consultant & CTO. I have experience in both Windows & Linux Server administration and have also worked with AWS, EC2 & Google Cloud. I have an extensive & successful experience in building & maintaining heavy traffic portals (Over 350K+ active users), Investment & Financial Management/Statistical Systems for Hedge Funds, Real-time communication & VoIP portals (using XMPP, SDP protocols and WebRTC, WebSocket techs), eCommerce portals & Process Automation/Optimization Applications. I am part of a group of highly skilled IT professionals where we work as a team. Due to this I prefer fixed price jobs. I am not an agency but part of a group of technocrats specializing in different platforms. If you'll have a look at my work history you will see that I have quite a few fixed assignments there and all completely/delivered as per client satisfaction. I specialize in Agile & Lean methodologies, SCRUM, API design, Php (Laravel, CodeIgniter, Symfony, Yii, Magento, Wordpress & Drupal), ASP.NET, iOS & Android app development. I have successfully worked on front-end development in numerous projects using CSS (SCSS/SASS), JavaScript, jQuery, Twitter Bootstrap & HTML5. I am particularly fond of JavaScript, especially its libraries (Node.JS, Raphael.JS, AngularJS, Backbone.JS, D3.JS & Meteor). In terms of database management I have extensively worked with both relational & non-relational databases like MySQL, MongoDB, PostgreSQL, NoSQL, MSSQL, SQLite. I can assure you of my most honest & diligent efforts for actualizing your vision.

Groups: PayPal, Pro Web Designers

99% Job Success
$38.91 /hr
1,320 hours

Andrey E.

Andrey E.

Backend Developer with Frontend Skills

Russia - Tests: 6 - Portfolio: 15

I'm web scraping expert/full stack PHP/Javascript (Frontend/Nodejs) developer with 7+ years of commercial experience. I'm good problem solver holding M.S. in maths and computer science. Today I'm offering webscraping/php/javascript services as a freelancer. My main skills: • Web scraping, parsing, automation, data processing • Simplehtmldom, Goutte, Symfony Browser Kit, Cheerio, CasperJS, Regular Expressions, Xpath • PHP, JavaScript, Java, NodeJS, PhantomJS, SlimerJS, LUA • Laravel/Lumen frameworks • HTML5, CSS3, LESS, Bootstrap Framework • MySQL, MongoDB, Redis • Memcached, ZeroMQ, ReactPHP • SocketIO, Websockets • REST, SOAP, XML, JSON • Matlab, Wolfram Mathematica • Jquery, KnockoutJS, BackboneJS, RequireJS • Prestashop, OpenCart • Experience working with APIs: Ebay, Spotify, Amazon AWS, Amazon MWS, Flickr, Facebook Graph,, GitHub, Instagram and several others • Git, SVN • Apache, Nginx, Curl • Amazon AWS • Linux, Vagrant • Understanding of OOP principles and software design patterns • Teamwork experience I have a github account and personal blog. Unfortunately Upwork doesn't allow to share these details in overview:) Over the years I’ve developed a lot of web scrapers of different complexity mostly using PHP (simplehtmldom, browserkit) and NodeJS/PhantomJS (casperjs). Some were simple regex-based and others were complex distributed systems with multiple proxies and Amazon AWS support. Also I developed a wide range of websites using PHP, HTML, JavaScript, CSS and MySQL including several e-commerce websites (+ Prestashop, Opencart). I built sites both from scratch and using frameworks, developed custom modules and extended existing ones for my clients. I have experience in PHP/MySQL performance tuning. Last two years I was working as MMO game (Clash of Clans/Heroes of Might and Magic-like mechanics) logic/backend developer. I’ve implemented distributed message queues, realtime leaderboards with Redis, Mysql, PHP. Developed battle-related algorithms (game unit classes, attack/defend, shortest path, quadtree). Then I’ve done some frontend development, e.g. – developed embeddable javascript classifieds widget and fitness/health single page web application with realtime updates/notifications (HTML, CSS, JavaScript, Jquery, Knockout.js, MomentJS, REST, AJAX,

Groups: Coding Champs

98% Job Success
$39.90 /hr
231 hours