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.

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

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. Sergio A.

    Sergio A. Agency Contractor

    Agile Project Management and Software Development

    Spain - Last active: 2 months ago - Tests: 18 - Portfolio: 1

    Important: although I'm new to oDesk.com, I have been working on other freelance sites since 2005. I have one of the most outstanding profiles in another very popular freelance site, with more than 300 projects successfully completed, I can show it by request. You can also check my professional blog at: http://softwareandoutsourcing.wordpress.com/ ---- My name is Sergio and I specialize in providing quality custom software solutions while offering competitive costs and timing. My other freelance sites track record (can show on request), along with positive feedback from clients I’ve served, are proof that my qualifications and strong commitment to excellence make me an ideal choice for your next project. I have been working at freelance sites since 2005 and currently I lead a team of programmers and designers from Spain and other places in the world. For managing projects I use agile software development methodologies (Scrum, XP…), which I consider the most efficient way to manage a project via the internet. I also consider myself a knowledgeable and efficient programmer, so I can evaluate team members’ performance and help guide them. In the last 6 years I have learned a lot about how to make a project successful when working with people who lives thousands of miles away and I consider oDesk.com a great opportunity to develop professionally and offer new and more complete services. Kind regards, Sergio. ----- Areas Of Expertise: - Agile software development. Design and project management. I can both lead an existing team or build a new one (with local or remote coders) if needed. - Java/J2EE/J2ME. Highly skilled in distributed computing and web services. JSP, Servlets. GUI design. JDBC. SAX, DOM, JDOM. SOAP (Axis). Netbeans, Eclipse and JBuilder IDEs. Bytecode analysis. Entreprise Java Beans (EJB). - Data extraction and analysis. Crawlers, custom search and metasearch engines. Advanced signal procesing, data analysis and statistical decision support programming. - Networking: design, testing, programming, analysis, and simulation. Advanced Routing (RIP, OSPF, BGP). SNMP management. - Databases: Oracle, MySQL, PostgreSQL, MS SQL, Access. Design, programming and administration. - (Technical) Translation: English <-> Spanish (Spain). Professional, accurate and human-made translation. - Linux (Debian, Red Hat, Fedora, CentOS, Ubuntu, SUSE...) administration. Bash scripting. Xen and VMware server virtualization. - Web-related technologies: HTML, XHTML, CSS, XML, DTD, Schema, XPath, XSLT, XQuery, JavaScript, AJAX. Experience in W3C standards Validation. - Low level programming with x86 and ARM7 (Philips LPC2000 family and similar) assembly and c. Keil development tools. Embedded systems design. - Other programming languages: C, C#, Matlab. ----- Resume: Objectives - Establish myself as an entrepreneur in the software and communications industry by focusing on top-notch quality and service. Highlights of qualifications - Deep knowledge of the internet structure and associated protocols. Several complex projects (dynamic web servers, instant messaging platform...) as work at various local enterprises. Education - Master of Engineering in Telecommunications with specialization in Telematics (Computing applied to Internet and Networks) and intensification in Project Management, Software Engineering and Agile Programming Methodologies (2007). - Network Programming Diploma (J2EE, 300 hours, INEM 2001). - Multimedia Diploma (Audio and Video edition, 200 hours, INEM 2001). Languages - Spanish: native. - English: advanced. Cambridge First Certificate. Skills - Programming: Java/J2EE/J2ME (specialized in distributed computing), C (network programming under Linux/Solaris), bash, assembly, oTcl. - Networking: Network design, analysis, simulation (ns2) and implementation. Protocols: TCP/IP model, OSI model, ATM, FR, GSM, UMTS, HTTP, FTP, POP3, RIP, BGP, OSPF IPv6, SNMP... - Operating systems: Linux (Debian, advanced, administration and programming), Solaris, MS Windows. - Edition: OpenOffice, MS Office, html... Work experience - July 2005 - now. Freelance coder. More than 500 projects successfully completed. - June 2004 - July 2007. Technical helpdesk at local TV station (half time). - March 2000 - June 2004. Network maintenance at several local enterprises as freelance. Others - Currently I have a 20 Mbps 24/7 ADSL2+ connection to the internet. ------ Some search keywords: netvibes, crawler, crawl, crawling, mining, scrape, scraping, automated data entry, lucene, nutch, solr, sphider, custom search engine, metasearch, ebay, jabber, paypal, wikipedia, mediawiki, jquery, prototype, prototypejs, cakephp, CRUD, SBML, ANSI ASC X12, jpcap, jnetpcap, datatables, forex, twilio.

    Associated with: Software and Outsourcing Agency

    $35.00 /hr
    44 hours
    4.92
  2. Ronak Vadiwala

    Ronak Vadiwala Agency Contractor

    5+ PHP/MySQL/Wordpress/MongoDB/NOSQL/Hadoop Expert

    India - Last active: 3 months ago - Tests: 4 - Portfolio: 5

    DEDICATED TO PROVIDE HIGHEST QUALITY OF WORK BEFORE DEADLINE. I have 5+ Year Experience in Web Technology. I've extensive knowledge of Wordpress CMS and its APIs. Also Have knowledge in Following Language - HTML, HTML 5, CSS, CSS3, PHP, JAVASCRIPT, AJAX, JQUERY I have used wordpress as : PSD To Wordpress PSD To HTML Membership Websites (Whishlist) Ecommerce Websites (WooCommerce, Wp ECommerce) Thesis Theme Development (Customization and New theme from psd/Html ) Genesis theme Development (Customization and New theme from psd/Html ) Classified Websites (With payment integration) Pagelines Themes Custom Payment Integration Like Paypal, Worldplay etc Plugin Development (Customization and new Plugin Development) Extensive Use of JQuey and Ajax.

    Associated with: WebbyInfotech

    $8.00 /hr
    57 hours
    5.00
  3. Benjamin Iandavid Rodriguez Arce

    Benjamin Iandavid Rodriguez Arce Agency Contractor

    Ruby Developer

    Mexico - Last active: 06/30/2014 - Tests: 7 - Portfolio: 6

    I specialize in the arts of Ruby and have special focus on creating applications using strong TDD and OOD techniques. With over 5 years of experience I have participated in many Ruby projects playing various roles, from Ruby developer all the way through Javascript developer. Other ninja jutsus in my stack: Linux server administration, HAML, Coffeescript, CSS(with SASS and LESS), Foundation, Twitter Bootstrap, Ember JS, Angular JS CodeEval Profile: https://www.codeeval.com/profile/ianrgz/

    Associated with: Nauta, 686studio

    $50.00 /hr
    329 hours
    5.00
  4. Bilal Q.

    Bilal Q. Agency Contractor

    Software Engineer, Web Developer, PHP, OSCommerce, WordPress, Joomla

    Pakistan - Last active: 2 months ago - Tests: 5 - Portfolio: 1

    Over the last 5 years, I have developed a wide range of websites using HTML, DHTML, PHP, and MySQL including sites for start-up companies and small businesses. My core competency lies in complete end-end management of a new website development project, and I am seeking opportunities to build websites from the ground up for you or your business. I also have some experience in the following areas: SQL, AJAX, ECOMMERCE, OOP, CONTENT MANAGEMENT SYSTEMS, INTERSPIRE, SOFTWARE DESIGN and TESTING.

    Associated with: NextTech Solutions

    $11.11 /hr
    875 hours
    4.98
  5. Fei Xu

    Fei Xu Agency Contractor

    Project Manager

    China - Last active: 2 months ago - Tests: 2 - Portfolio: 18

    With over 6 years of working in IT field, I am applying for Project Management positions Experienced in all phases of a project life cycle implementation process analysis, fit-gap analysis, systems configuration, conversion, testing, training, and product delivery Ability to direct complex projects from concept to fully operational status Possesses over 6 years of software implementation experience, has been involved in more than 20 project implementations Skilled in software testing lifecycle Ability to work on multiple projects simultaneously Fluent spoken and written Chinese and English language communication skills Organized, highly motivated, detail-oriented, and an analytical problem solver

    Associated with: Infuze Technologies Inc.

    $30.00 /hr
    9,388 hours
    5.00
  6. Ilya S.

    Ilya S. Agency Contractor

    5500+ hours on oDesk, Senior Web/Mobile Developer, Software Architect

    Russia - Last active: 3 months ago - Tests: 2 - Portfolio: 6

    I have over 7 years of experience in Web Development, skilled in various Web technologies: PHP (Magento, Symfony frameworks), Django/Python, ASP.NET/C#. I have developed a lot of big and small web-sites, including ecommerce systems. I also have 3 years of experience in mobile development for iOS devices (iPhone and iPad). As a software architect, I always seek the best way to keep the code clean and readable, and to make a flexible and scalable architecture, following industry's best practices, such as DRY and KISS principles.

    Associated with: Rendered Source Agency

    $33.33 /hr
    5,433 hours
    5.00
  7. Gaurav Chauhan

    Gaurav Chauhan Agency Contractor

    Expert Microsoft professionals with ASP.NET 4.0 / MVC / MVVM/MSSQL/ Aj

    India - Last active: 3 months ago - Tests: 4 - Portfolio: 6

    Intend to build a career with leading corporate of Hi-tech environment with committed and dedicated people, which will help me to explore myself fully and realize my potential. Willing to work as a key player in an innovative and challenging environment & technology industry that offers an opportunity to work in an innovative and challenging environment. • 8+ years of experience as a software developer • Exceptional analytical problem-solving ability with excellent verbal and written communication skills • Proficient in implementing solutions using ASP.NET, ASP.NET MVC, C#, WCF,.NET Framework, XML, AJAX, ADO.NET, SQL Server (T-SQL). • Strong technical expertise in implementing multi-tier applications using Microsoft .NET technologies - C#, ASP.NET,MVC, AJAX, Jquery, ADO.NET. • Expert in debugging an application using the debugging tools provided by the Visual Studio.Net IDE • Working experience of TFS/SVN. • Expertise in handling SQL Server 2000/2005/2008 and writing triggers, stored procedures and database design from scratch. • Effective in working independently and collaboratively in teams and managing the team as a team leader. • Scrum Methodology in project development and management. • Data Modelling & Transformation tools.

    Associated with: SmartData Inc Agency

    $14.00 /hr
    1,999 hours
    5.00
  8. Baldev Kumar

    Baldev Kumar Agency Contractor

    Expert Microsoft professionals with ASP.NET 4.0 / MVC / MVVM/MSSQL/ Aj

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

    Intend to build a career with leading corporate of Hi-tech environment with committed and dedicated people, which will help me to explore myself fully and realize my potential. Willing to work as a key player in an innovative and challenging environment & technology industry that offers an opportunity to work in an innovative and challenging environment. • 8+ years of experience as a software developer • Exceptional analytical problem-solving ability with excellent verbal and written communication skills • Proficient in implementing solutions using ASP.NET, ASP.NET MVC, C#, WCF,.NET Framework, XML, AJAX, ADO.NET, SQL Server (T-SQL). • Strong technical expertise in implementing multi-tier applications using Microsoft .NET technologies - C#, ASP.NET,MVC, AJAX, Jquery, ADO.NET. • Expert in debugging an application using the debugging tools provided by the Visual Studio.Net IDE • Working experience of TFS/SVN. • Expertise in handling SQL Server 2000/2005/2008 and writing triggers, stored procedures and database design from scratch. • Effective in working independently and collaboratively in teams and managing the team as a team leader. • Scrum Methodology in project development and management. • Data Modelling & Transformation tools.

    Associated with: SmartData Inc Agency

    $15.00 /hr
    935 hours
    4.88
  9. Roman Pushkin

    Roman Pushkin Agency Contractor

    10+ years programming experience, software developer and architect

    United States - Last active: 11/29/2014 - Tests: 3 - Portfolio: 2

    Quick overview: ============ - Experienced developer (.net, ASP.net, C#, Ruby, JavaScript) - Good academic record - Self-starter and can work independently. However, also a great team player. - Have great interest in IT development and up to date with new technologies. - Have free-time / hobby projects - Currently located in the EU. Full profile: ======== Experienced full-stack web-developer with 10+ years in: * Ruby on Rails * C# / .Net / ASP.NET (MVC and classic). Strong C/C++ background, PhD in Computer Science. I'm professor in local university, teaching my students Ruby on Rails. I have my own projects in development and I like to spend my free time working on what I love. I like to learn new things and happy when application design decisions lead to clean and effective code. I'm absolutely fine with legacy code and ready to work on routine shifts. One of my main life principles is make things perfect. When it comes to design and UI, my colleagues call me "pixel perfect guy". In software development I like to use design patterns to make code better. Feel free to request a quote.

    Associated with: DEV HQ

    $50.00 /hr
    448 hours
    5.00
  10. Sebastian A.

    Sebastian A. Agency Contractor

    Ruby, Rails and C/C++ Lover

    Colombia - Last active: 05/10/2014 - Tests: 12 - Portfolio: 3

    I am a programmer who likes smart solutions, and for this same reason when I coded up for web, I use rails and TDD-BDD methodology. I've been working for more than 7 years now with web technologies such as Ruby on Rails, Sinatra, Javascript/Ajax, jQuery, HTML5, MySQL, PostgreSQL, Heroku, Amazon AWS and others. I'm also interested to work with new trending languages such as Clojure and Erlang. I'm actively looking for new projects, so feel free to contact me.

    Groups: Engine Yard Ruby on Rails Professionals Network

    Associated with: Cactus Aptus, Monkey Labs, Versalles Labs

    $55.00 /hr
    341 hours
    4.97