Javascript Programmers and Developers

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Hire talented Javascript experts from the pool of highly qualified programmers on Upwork to support your server-side programming, or to build your applications for the desktop or browser, for games, or for other front-end applications

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. Alper OKUTGAN

    Alper OKUTGAN

    Professional PHP Developer and Web Scraper

    Turkey - Last active: 14 days ago - Tests: 8 - Portfolio: 33

    Top-notch web scraping expert using PHP/cURL, having scraped hundreds of sites with billions records. Always deliver perfect quality with quick turnaround. Craigslist, Yipit, Crunchbase, Twitter and Instagram are just a few examples. My major expertise is web crawling / data minning, I am also interesting in solving complex challenges, difficult problem solving, and learning to enhance my programming skills with PHP programming language. I prefer to work for short-time but difficult projects. So I can give my experiences to the task effective. I have a degree in Computer System & Engineering and have 15 years experience coding. I have been working in the hosting industry (Hostgator, GoDaddy, Bluehost) for more than 10 years and highly experienced using hosting software such as WHM / CPanel / Plesk / Virtuozzo / Webmin / Virtualmin. (Installation and Management) Technical background; I began programming on C64s with QBasic language in the 1990s. Following graduation, I developed various programs with Borland Delphi for computing hardware faculty from 2000s, and I am still programming for the automotive industry (OBD/OBD2). I professionally created various web development projects with PHP and Perl languages since 2002. I began working with FreeBSD in 2002 and Linux in 2004 and I have been working as an hostadmin for various servers like Debian and Ubuntu operating systems since 2005. I have founded to BACOMputer, which my first company on 2005, and I am still working as a project manager for my own company. I began working with clients through oDesk since 2009, and I have successfully completed many contracts between 2010 - 2015. The subjects of my recently works; ° Web scrapping / mail scrapping with PHP/cURL. My PHP codes also can be run as standalone programs on the linux shell and/or with crontab. ° PHP-MySQL works / Admin Panels. ° Delphi or PHP based text file conversion programs. ° Hosting services and transfers. ° OpenVPN authentication systems (PAM / Google Authenticator / MySQL / LDAP / Radius) ° Creating Wordpress plugins and themes. HTML to Wordpress. * OPEN-WRT Linux distributions. ° Malware code cleaning on the sites and servers. (I have developed my own tools for finding malicious codes and infected files as quickly and efficiently) ° Decompiling/Tracing Flash applications/games. ° Radio, Audio stream program installations and configurations. Shoutcast, Icecast and Flashcast solutions. ° Software installation on Linux. Ftp servers, Apache, Nginx, PHP and MySQL installations/configurations. ° jQuery and resolving jQuery issues and conflicts. ° JWplayer, Flowplayer video player installations and delayed messages/auto redirecting projects ° Lightbox, Greybox, Laytbox and other jQuery (auto) popup/popunder solutions. Locked pages with javascript alerts. ° .htaccess works (Mass redirections, SEO based links, permalinks)

    Groups: Bluehost Developers and Designers

    $45.00 /hr
    1,508 hours
    4.99
  2. Dorris joy A.

    Dorris joy A.

    Certified PHP/MySQL/HTML5/CSS3/JS/SVG/Canvas dev

    Philippines - Last active: 1 day ago - Tests: 5

    With almost 10 years evolving in the IT world, i've gained sufficient knowledge and now very competent to develop applications and websites for people around the globe. I've done websites with CMS, online booking and reservations, CRM systems, streaming video playlist, mobile services in the Philippines (Smart, Globe, Sun). These projects were developed mainly with PHP and MySQL. Also, Javascript plugins and framewroks are also injected to provide cool user interaction. Aside from being a programmer, Im also inclined to art and designs, so Im very particular with the look and feel of the product, while taking in mind the clients' specifications.

    $35.00 /hr
    1,419 hours
    4.77
  3. Alexander Solovyov

    Alexander Solovyov

    Senior Full Stack Web Developer (ZF2, Node, Angular, Backbone)

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

    Passionate developer of PHP, SQL (MySQL), NoSQL (MongoDB), JS seeking for challenging projects on the edge of technology. General knowledge: 1) PHP + Zend Framework 2 + Doctrine ODM/ORM + Apigility (REST). 5+ 2) Native Javascript (prototypes and ...). 5+ 3) JS framework Marionette js with Require JS and jQuery. 2+ 4) Node js (+ scappers Casper JS and Phantom JS) 2+ 5) Knowledge of HTTP protocol + experience with REST + SOAP. 5+ 6) MySQL. 5+ 7) MongoDB. 3+ 8) Experience with BigData (e.x. classification Bayes) and software (Google Bigquery, Hadoop and R lang) 2+ 8) Experience of implementation OTA (Open Travel) standard. 1+ 9) Linux (Debian, Ubuntu and others) 5+ 10) HTML5 / CSS3. 5+ Passive knowledge: 1) Java + Hibernate 1+ 2) C/C++ 1+ 3) Unix (Solaris) 1+

    $44.44 /hr
    1,171 hours
    5.00
  4. Hassan Asad

    Hassan Asad Agency Contractor

    Wordpress expert / Buddypress / Woocommerce / Sensei / BadgeOS

    Pakistan - Last active: 1 day ago - Tests: 3

    Designing application architectures, following up the latest trends and technologies to make an awesome new world. Significant work experience in WordPress, BuddyPress, woocommerce, sensei, badgeOS, MailChimp with special attention to front-end development using LESS, Bootstrap and jQuery. Some secret optimization techniques using Redis for in RAM cache. If you want it right the first time, hire me!

    Associated with: Mindblaze Technologies Agency

    $35.00 /hr
    3,323 hours
    4.97
  5. S M Kamrul Hasan

    S M Kamrul Hasan Agency Contractor

    C# | C++ | DevExpress | WPF | ASP.NET | JS | MySQL | SQLS | GIS | WCF

    Australia - Last active: 20 days ago - Tests: 11 - Portfolio: 12

    • 5+ years in Commercial Software Lead, Development, Design and Test. • 4+ years in Research Development, Algorithm Design, Modelling and Data Analysis. • PhD and BSc in Computer Science and Engineering. • Specialized in Desktop Applications in C# and C++. • Specialized in UI Design with WPF, DevExpress, RAD Studio, QT and Standard VS 2010-13 Toolset. • Specialized in RDBMS and Entity Framework for C#, C++ and ASP.NET with XPO and ADO.NET. • Specialized in LiDAR, Aerial Survey, Airbone Imaging, GIS Transformation and Projection. • Specialized in Operations Research, Evolutionary Algorithms, Scheduling and Optimization. • Experienced in Web Applications in ASP.NET, JavaScript, jQuery, HTML, CSS. • Experienced in MVVM, MVC, WPF, WCF, TCP/IP and .NET Pipeline. • Experienced in Oracle, MySQL, SQL Server, SQLite and MS Access. • Experienced in 2D/3D, OpenGL, Vector Graphics, EyeShot. • Experienced in AWS APIs; especially S3, RDS and ElastiCache. • Experienced in HPC, Memory Management and CUDA. • Experience of publishing high quality peer-reviewed publications.

    Associated with: OzDreamer IT Solutions

    $35.00 /hr
    1,037 hours
    5.00
  6. Andrew Koumarianos

    Andrew Koumarianos

    Web Developer - (X)HTML/CSS/PHP/MySQL/JavaScript/Photoshop

    United States - Last active: 6 days ago - Tests: 6

    Please visit my portfolio for examples of previous work: http://www.andrewkoumarianos.com . I create, modify and maintain professional websites. I manually code all websites (I do not use programs like Dreamweaver, GoLive, etc unless requested) to ensure that they are optimized to their full potential in speed and universal visibility.

    Groups: AWeber, BigCommerce...

    $75.00 /hr
    1,673 hours
    4.95
  7. Jon L. Agency Contractor

    Experience Web Application Developer: php/mysql/js/css/APIs (USA)

    United States - Last active: 12/04/2014 - Tests: 2 - Portfolio: 2

    To utilize my technical and management skills for achieving the target and delivering the best performance in the esteemed organization or individual. I would like to implement my innovative ideas, progressive experience, skills and creativity for accomplishing any projects. I am willing to work from the ground floor with the right company or individual where my technical skills, can be enhanced and over 10 years of extensive experience in the computer field helping start-up companies, small and large businesses can be utilized in diversified fields in a proper way for the benefit of an organization or individual. Expertise in several programming languages and over three years of experience in software development and web development, are the major factors, which would help me in making worthy contribution towards the growth and success of a project. I have solid understanding of programming concepts required like: 1. HTML/HTML5/DHTML 2. CSS, CSS3 (table-less design) 3. PHP5 (Love it) 4. Web services 5. Wordpress 6. MYSQL (my free database) 7. jQuery/Javascript/Ajax (Love them because I like to animate things in web pages) 8. e-commerce (Payment Gateway integration.) 9. API Coding/Integration (I implemented a lot of APIs including Facebook, Myspace, Twitter, Google, Yahoo, Foursquare, Friendfeed, Youtube, Vimeo, etc) 10. Membership systems 11. Photo galleries 12. MVC and OOP 13. SEO 14. Data entry 15. Database Design 14 etc What you need is an appreciated team member with technical intelligence, a trouble-free relationship with people, a status for understanding responsibility of leadership and presenting good results. YOU NEED "ME"! I am also fluent in French (Je parle le francais vraiment tres bien) and a little of Spanish (hola). I am available when you are available. You are up now, so I am. That's why I'm available through various means of communication including Skype. This means you can contact me now! Thanks for viewing my profile

    Associated with: Network Community Agency, Omega Lance LLC

    $38.88 /hr
    4,045 hours
    4.99
  8. April J Jones

    April J Jones

    Virtual Assistant/Data Entry

    United States - Last active: 9 days ago - Tests: 6

    I would like to find a position with a company in which I could offer my services to and also try to contribute to that company in any which way that I can. I would love to find a position where I can work from home so I can continue to raise my kids and take care of my family. I have experience in Microsoft Office, Microsoft Excel, Microsoft PowerPoint, Internet Explorer, Email Handling, Fax, OS (Operating Systems), Databases, SEO, Marketing, Customer Support, Inbound and Outbound Calling, Photoshop, Dreamweaver, and I can type 70+ wpm. I am on the computer daily and I enjoy being able to search different things of interest. I have completed my Associate's for Information Technology and Bachelor's degree for Web Design with University of Phoenix.

    $20.00 /hr
    4,883 hours
    4.99
  9. Jeet S.

    Jeet S.

    Expert Wordpress/Magento Consultant/Developer

    India - Last active: 1 day ago - Tests: 3 - Portfolio: 3

    I am a WordPress/Magento Consultant with more than 5+ years of development experience ,having knack for solving critical programming problems. Simply put it i am "Doer of Done!" I work closely with entrepreneurs, small and medium businesses to help them complete their projects efficiently. Over last 5 years i have primarily focused on developing applications on Wordpress/Magento. I have built beautiful corporate sites to eCommerce stores to custom CRM/workflow related .In short i have fallen in love with WordPress/Magento and in long term relationship with it :) I provide fully array Services such as • Core PHP ( really love it!!) • Developing Themes • Converting HTML /PSD to Wordpress/Magento • Migrating Legacy application to CMS • Writing Plugins and Customizing existing plugins as per application • Modifying Existing Theme & Tweaking • Doing Gigs such as improving page load time, solving j-query issues, making sites browser compatible, Maintenance Jobs like backups and Domain Shifting I have a 100% success rate for all my projects (can give you verification). Contact me with confidence and I promise that I wont let you down!

    Groups: Bluehost Developers and Designers, Crossrider

    $22.22 /hr
    4,539 hours
    4.99
  10. Kerwin Ang

    Kerwin Ang

    IOS Developer, Netsuite Consultant, C#.Net Consultant, SQL Consultant

    Philippines - Last active: 23 days ago - Tests: 7 - Portfolio: 7

    6 Years in Software Development Over 3 years of Netsuite ERP, CRM, Website, Scripting Consulting. - Netsuite API (Server and Client), Webservices(PHP, JAVA, C#), Workflow - Reference Cart, Checkout Development, My Account, ShopFlow, customizations and development (from scratch and enhancements) - Netsuite Form Customizations, and others - Netsuite Implementation and Migration - Saved Searches - SEO Optimization - HTML Email template compatible for all mail servers - Website Template creation, SSP Applications. Javascript framework - backbone MVC, underscore, require, templates, common.js, bootstrap, jquery, JSON Over 2 and a half Years in C# development and support - WPF, Sharepoint, ASP.Net MVC 5 , Winforms Over 2 and a half Years of MS SQL development 1 Year in IOS development with 2 apps in the apps store Programming Skills - C#, C++, JAVA, SQL, TSQL, PLSQL, Javascript, JQuery, JSON, Lua, IOS3.5-7, PHP, CSS3, HTML5, Google API

    Groups: AspDotNetStorefront

    $55.00 /hr
    1,945 hours
    4.83