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. Ivan T.

    Ivan T.

    Ruby / Rails Full-Stack Architect. 8 yrs, 12k hrs, 100pct success.

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

    Independent full-stack developer / technical architect skilled in: * Ruby / Ruby on Rails (from edge to legacy) * Client-side tech (HTML5 with HAML, CSS3 with SASS, JavaScript [native & libs/frameworks], jQuery, Bootstrap, and more) * Scalable, decentralized (modular) applications architecture * Databases: relational (PostgreSQL, MySQL), NoSQL (Redis, Riak, MongoDB, Neo4j), big-data-specific (Google BigQuery, Amazon Redshift) * Background jobs processing: Sidekiq, Resque, delayed_job * Message queuing: RabbitMQ (AMQP) * RESTful APIs implementation, integration with any third-party APIs (including social media APIs: Facebook, LinkedIn, YouTube, and more), data harvesting from sites which do not provide an API * Rails applications deploy, monitoring, maintenance: Heroku, Amazon EC2, Linode, Digital Ocean) * Amazon Web Services infrastructure: EC2, S3, Glacier, Redshift,.. * Process: TDD/BDD with RSpec, Cucumber, Capybara, Zeus, Guard * Version control systems: svn, git (with GitFlow, GitHub Flow workflows) As a full-stack developer / technical architect, I can develop scalable and stable multi-node server-side applications and also can evaluate your Ruby/Rails application and make suggestions on possible optimizations / refactoring / adopting best practices. As a team lead, I can divide, prioritize and delegate tasks to developers, consult developers on best practices, ensure high overal quality of software product. I like challenges, have solid skills of problem solving, do not require supervision to successfully perform my duties. Dependability is also one of my key strenghts (never left my work half-done / half-functioning). If my current rate fits your project's budget, contact me to discuss technical and other aspects — I'm looking forward to it.

    Groups: Engine Yard Ruby on Rails Professionals Network

    $100.00 /hr
    12,939 hours
    5.00
  2. Igor P.

    Igor P.

    PHP MySQL Yii CodeIgniter Zend developer, with 7+ yrs of experience

    Russia - Last active: 15 days ago - Tests: 7 - Portfolio: 14

    I am a web application developer specializing in PHP/MySQL, with 7+ years of commercial experience. Worked with the different projects - starting from a little web-sites and web-widgets to the big web-systems and services. My main qualities are reliability, persevering and patient. Tell me your ideas, we will discuss it and I'll give you a structure of the future system and a plan of work. I think there is nothing impossible - just are necessary time, money and the desire to work!

    Groups: PayPal

    $40.00 /hr
    9,683 hours
    4.99
  3. Petr Kudinov

    Petr Kudinov

    Russia - Last active: 2 days ago - Tests: 4

    I'm professionaly programmer from 1997 (started on Pascal/C/FoxPro). Other the years i've developed billing systems for mobile operator and ISP, websites and very specific VOIP services. I have configured and supported many of the FreeBSD/Linux servers using Puppet/SaltStack. At this time i'm developing WEB applications using Angular JS or other JS engines on frontend and PHP on backend. I'm have good skills in software design, Javascript/PHP/PERL/C and SQL languages, as well as TCP/IP, HTTP, SIP, H.323, RTP. VCS - GIT/SVN

    $45.00 /hr
    1,611 hours
    5.00
  4. Alexander Solovyov

    Alexander Solovyov

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

    Russia - Last active: 10 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
    1,149 hours
    5.00
  5. Naznin Rahman

    Naznin Rahman

    WordPress Developer || PSD to HTML || HTML5 || CSS3 || Bootstrap 3.0

    Bangladesh - Last active: 10 hours ago - Tests: 7 - Portfolio: 11

    I am seeking opportunities to build new websites, Design and develop Full RESPONSIVE website, Wordpress premium / free templates customization, build wordpress new template or even redesign a website user friendly. My prime focus in the Web Market is WORDPRESS related jobs. I have developed a wide range of websites for all types of business and personal use. I am Expert in the following skills- HTML5 || CSS3 || Javascript || Jquery || Twitter Bootstrap 3 || PHP || MySQL || Photoshop || PSD to HTML & Wordpress || Hosting to Hosting Transfers || Prestashop || SEO etc. My capabilities - ❀ Wordpress programming, theme developing, plugin and widget creating. ❀ Converting PSD/PNG/Imagefiles to HTML-5/CSS-3. ❀ Converting HTML files to Wordpress. ❀ Developing a Wordpress theme from scratch. ❀ Tweaking Wordpress themes. ❀Tweaking CSS3 codes ❀ Bootstrap programming and designing. ❀ UI web programming and designing. ❀ jQuery and Javascript programming. ❀PHP and MySQL programming. ❀ AJAX programming. . FAQ 1. How do you communicate? Ans: Email, Gtalk, Skype (24x7) 2. When will you be able to start? Ans: I can start as soon as needed excluding weekends unless the project is very urgent. Kind Regards, Naznin Rahman.

    Groups: BigCommerce, Bluehost Developers and Designers...

    $40.00 /hr
    1,192 hours
    5.00
  6. Hassan Asad

    Hassan Asad Agency Contractor

    Wordpress expert / Buddypress / Woocommerce / Sensei / BadgeOS

    Pakistan - Last active: 3 days ago - Tests: 3 - Portfolio: 2

    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
    3,311 hours
    4.97
  7. Andrii Andriichuk

    Andrii Andriichuk Agency Contractor

    Software Engineer (.NET; WEB; SOA; WCF; SQL Server; Delphi)

    Ukraine - Last active: 3 days ago - Tests: 4 - Portfolio: 14

    I am a professional software developer. I work in this field for more than ten years. During my career I developed a set of desktop and web applications. At the moment I completed a major project and for that reason I am looking for work new project. I will be glad to start to work with you. I am able design and implement such things as architecture, security, data access layer, db structure, bussiness layer, caching and much more. Also I have good experience in SOA. WCF SOAP an d WCF REST I can work with both without any problems. Please contact me if you need any help of experienced programmer.

    Groups: Central Desktop, Twilio

    Associated with: DYNAMIC DEVS

    $50.00 /hr
    4,056 hours
    4.89
  8. Dhaval S.

    Dhaval S. Agency Contractor

    Android,iOS native/hybrid apps, javascript/cordova/parse

    India - Last active: 29 days ago - Tests: 9 - Portfolio: 15

    Developed native and hybrid apps on Android and iOS. Please visit http://dhavalsharma.com to know more. Also have developed in java, objective-C, GWT, python, django, jquery development on Linux, Google App Engine,android and iOS platform. I have developed applications in extjs/sencha touch. I have also done workflow automation using Google Apps Scripts in Google Spreadsheets for multi-location distribution and aggregation of reports.I also have extensive IT experience in delivering and executing IT based solutions and projects for over 16 years on multiple technologies and platform for global clients.

    Groups: Android

    Associated with: greenwalk

    $33.99 /hr
    2,380 hours
    4.59
  9. Yury Korvel

    Yury Korvel Agency Contractor

    Project Manager / Business Analyst / Software Maintenance Engineer

    Belarus - Last active: 1 month ago - Tests: 3 - Portfolio: 4

    More then 8 years I am working as Project Manager / Business Analyst / Software Maintenance Engineer: find and fix issues, analyze requirements, implement changes, release and deploy updates. List of covered technologies includes: .NET (C# and VB.NET), MS SQL, HTML, Java Script, Ajax, WCF, XML/XSLT. In major of my projects I play additional role as project manager / technical consultant / business analyst. So, I can explain difficult technical issues with simple understandable language and write specifications for developers and QA.

    Associated with: ITRex Group

    $33.33 /hr
    3,140 hours
    4.85
  10. Mayur B.

    Mayur B. Agency Contractor

    Rubyist - Experienced Ruby on Rails Developer - Agile,BDD,TDD Devloper

    India - Last active: 8 days ago - Tests: 5 - Portfolio: 9

    I have only one goal when writing a code for software: Create quality application which satisfy software owner and users. I have more than 6 years of experience in developing enterprise-level web applications in the medical, e-commerce, CMS, real estate and auction spaces. I have created 20 small applications for clients and well as for my personal use using Ruby on Rails. I have also worked on upgrading Rails 2 version web applications to Rails 3.x version I have developed 9 web applications using Ruby 1.9.2 and Rails 3.x. With this application I have also used Javascript and Ajax. While developing web application I also follow TDD, BDD, and Agile. With these methods, I have provided high quality web applications to client before deadline. I also have expertise on managing various servers and deploying rails application on the servers. I have started working as Ruby on Rails developer and also had worked in teams from India, USA, Philippines, Serbia, Canada, UK and Ukraine working together and lead them as well. Technologies, I've worked with: Ruby, Rails, HTML, CSS, HAML, CSS, Compass, MySQL, PostgreSQL, MongDB, Redis, Amazon EC2, Amazon S3, Javascript, jQuery, Google map API, Twitter API, Capistrano, Cruisecontrol.rb, Rspec, Cucumber, Rcov, Shoulds, Selenium, Linux, Mac OSx, Git, SVN, XML, RMagic, Sphinx, Omniaut/Devise/AuthLogic/restful-authentication, Httparty, Nokogiri and much more…

    Associated with: GVI

    $51.00 /hr
    2,377 hours
    5.00