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. Alper OKUTGAN

    Alper OKUTGAN

    Professional PHP Developer and Web Scraper

    Turkey - Last active: 13 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: 22 hours 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
    1,418 hours
    4.77
  3. Alexander Solovyov

    Alexander Solovyov

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

    Russia - Last active: 22 hours 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. Jc mae P.

    Jc mae P. Agency Contractor

    Full-Stack Web Developer - experienced in WordPress, Drupal & Magento

    Philippines - Last active: 22 hours ago - Tests: 9

    I have over 7 years experience in web design and development and almost 7 years experience as a writer. I have developed a wide range of websites mostly using Wordpress (my CMS of choice), Drupal and Magento but have also created websites from the ground up using HTML, XHTML, DHTML, PHP and MySQL for companies and a number of personal sites. I also do graphic design, organic SEO, write articles and press releases and am a pretty good researcher as well. As of the moment, I am mostly concentrating on designing and developing WordPress and Drupal themes for commercial and personal sites.

    Associated with: Khleomix Designs Agency

    $33.33 /hr
    5,877 hours
    4.52
  5. Vo K.

    Vo K. Agency Contractor

    Senior EMR Java PHP C# Engineers

    Vietnam - Last active: 2 days ago - Tests: 3 - Portfolio: 5

    - Experience in application & web development experience in consulting, design, developing and maintenance on application software development including sales automation projects. - Good R&D, Specialist Electronic Medical Record and successfully to pass 2 International Certifications for US client: (E-Prescribing and ONC certification). Specialist in Agile Software Development by using OOP, Java, Ruby on Rails, TDD, SCRUM, XP, UML, Design Patterns - Work under pressure, make decision, solve problem quickly - Good work on Java J2EE, Spring, Struts, Play, JSF, JAVAFX, Vaadin, Tapestry,Wicket, FLEX, Spring, Struts, Hibernate Frameworks) - Experience working on C# WPF, WCF, METRO WIN 8, Silverlight,... - Experience on PHP: Yii, Codeigniter, Zend FW, CakePHP. Laravel. - Application Developer, Database Administrator. Particularly interested in client/server, WebService, Remote and relational database design using Oracle, NOSQL, MYSQL, and MS-SQL Server 2000, 2005. Javascripts: Jquery, Mootool, EXTJS, XML JSON,.. - OS: Linux, Centos, Fedora, Ubuntu, Windows, ... - Experience using GIT, VSS, SUBVERSION, GITLAB, GITHUB, - Specialist on Agile Methodology: SCRUM, XP using Mingle, Pivotal Tracker - Project: 1. RealEstate (www.diaoc24g.com) BY C#, ASP.NET 2. Ecommerce Travel Photos site (http://www.josephhendrixphotography.com) by C#, asp.net 3. PTS project ( PROTOTYPE TRACKING SYSTEM) for Chartered Semiconductor Manufacturing(J2EE, Spring, Struts, Hibernate). 4. 3 years worked for HEALTH CARE software:(Get Prescription' Certification of Surescripts(NEWRX, RXHUB, REFREQ, REFRES...) - Android for Health Care that help doctor check the patient from mobile Phone and synchronize data between Mobile Phone and Server Site. This function will help the doctor is easier to check inpatient, history visit, CPT, DX, ... - Worked HEALTH CARE SOFTWARE project, SuperEMR is a proven, affordable, and comprehensive electronic medical record system designed for small practices. Patient information including past medical and social history, encounters, diagnosis, medication, laboratory results, hospital reports, and medical imaging dicom results can all be stored electronically in secure databases. The system is web-based, allowing simple yet secure access to the patient information from anywhere and anytime. Daily remote backup in available for free for protection against system failures or natural disaster Development on this project (superemr.biz, superemr.com,superemrusa.net) Responsible for working with the client on implementation, fix bug, maintenance, managing project resources I did good job AND got the SURESCRIPTS AND RXHUB INTERNATIONAL CERTIFICATION for HEALTHCARE SOFTWARE (superemr.com). Work on DICOM open source project that used JAVA SWING to help the doctor can view XRAY, DICOM images, Web Application development. Database: MYSQL Client: US, Language: JAVA, WEBSERVICE, JNLP, PHP, webservice on UBUNTU, FEDORA

    Associated with: agileitvn

    $33.33 /hr
    1,273 hours
    5.00
  6. Andrew Balling

    Andrew Balling

    Systems Software Engineer/Analyst

    United States - Last active: 12/31/2013 - Tests: 4

    I am an experienced software professional with a diverse background. I have experience in developing standalone, server-side, GUI, and web applications using a variety of languages and frameworks. I am looking for opportunities that will provide challenges in any of these areas, and also those that would allow me to explore new fields. I am self-motivated and determined to design robust and efficient solutions in my work.

    Groups: Crossrider

    $55.56 /hr
    1,358 hours
    5.00
  7. Paruyr H.

    Paruyr H.

    Lead Java/JavaScript Engineer

    Armenia - Last active: 22 hours ago - Tests: 2 - Portfolio: 7

    Over the last 8+ years, I am working as java software developer, mainly specializing on web and/or mobile based applications development. I'm creating Single Page Applications with RESTFul API support and/or any type of applications based on Java/JavaScript.

    Groups: Application Developers Alliance

    $33.33 /hr
    3,566 hours
    4.82
  8. Bino H.

    Bino H. Agency Contractor

    Software Solution (Full time freelancer)

    Netherlands - Last active: 3 months ago - Tests: 11 - Portfolio: 10

    Your business is unique and special. And I'll put your business into software, desktop and website. Customize joomla, wordpress and other CMS. Modify layout and appearance by CSS, javascript, jQuery, Responsive design by bootstrap. Develop dashboard, reporting, BI, graphic, chart and data display using PHP MVC like codeigniter, C# ASP.NET MVC razor, or desktop Microsoft.Net base. Database processing and management by MySQL, MS SQL Server, Oracle.

    Groups: Application Developers Alliance, Bluehost Developers and Designers...

    Associated with: bitoshi

    $33.33 /hr
    1,488 hours
    4.83
  9. Dmytro Podoprosvietov

    Dmytro Podoprosvietov Agency Contractor

    Solution Engineer (Node.JS, JavaScript, Python, PHP)

    Ukraine - Last active: 4 months ago - Tests: 9 - Portfolio: 9

    Over the last 7 years, I have developed a wide range of websites using HMTL, JS, PHP, AJAX and MySQL including sites for technical companies and small businesses. More info - http://erlrange.com

    Associated with: Trafford Group Agency

    $35.00 /hr
    5,161 hours
    4.98
  10. 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