Find the World's Best JavaScript Freelancers

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Kateryna T. - Front End Developer

Kateryna T.

Front End Developer

$28/hr
295 hours
Portugal
100% JOB SUCCESS
“Kateryna did an AMAZING job. She accepted a last minute project and completed within deadline to pixel perfectness and went above and beyond expectations. She's very cool, and...”
  • HTML
  • CSS
  • jQuery
  • Magento
Dmitriy F. - JavaScript Developer

Dmitriy F.

JavaScript Developer

$22.22/hr
113 hours
Ukraine
100% JOB SUCCESS
“I could not believe how responsive and professional this contractor was. He was polite, sincere and I will always use him from here on out. Excellent resource!”
  • JavaScript
  • HTML5
  • Node.js
  • Git
Lora M. - QA Engineer/Software QA

Lora M.

QA Engineer/Software QA

$13.33/hr
2,061 hours
Philippines
100% JOB SUCCESS
“Superb testing and documentation work from Lora. Would never hesitate to recommend her to anyone at all.”
  • Software QA Testing
Evgheni P. - Senior PHP Developer (10+ years experience)

Evgheni P.

Senior PHP Developer (10+ years experience)

$25/hr
40 hours
Moldova
100% JOB SUCCESS
“Top quality freelancer, excellent communication skills and very hard-working. Always available to speak on Skype and can come up with his own ideas and opinions to assist the project. I...”
  • Zend Framework
  • PHP
  • Git
  • HTML
Muhammad W. - PHP/Mysql Programmer

Muhammad W.

PHP/Mysql Programmer

$16.67/hr
418 hours
Pakistan
100% JOB SUCCESS
“Waqas is full of all traits required of an excellent contractor. Among them are great communication skills, a willingness to take initiative, outstanding technical knowledge,...”
  • PHP
  • MySQL Administration
Gaston C. - Unity3D Game Developer

Gaston C.

Unity3D Game Developer

$44.44/hr
83 hours
Argentina
100% JOB SUCCESS
“Gaston is the best developer I have worked with. He is really profesional. In my experience, when you develop an app, the feedback list is always long. He managed to solve all...”
  • Unity
  • C#
  • ASP.NET MVC
  • Java
Abdul W. - React Flux Developer and Scraping Expert

Abdul W.

React Flux Developer and Scraping Expert

$12/hr
279 hours
Pakistan
100% JOB SUCCESS
“great guy, very professional!”
  • Python
  • Scrapy
  • Web scraping
Shiv A. - Expert in  Data Analytics with Web Scraping

Shiv A.

Expert in Data Analytics with Web Scraping

$35/hr
94 hours
India
100% JOB SUCCESS
“Thank you for your great effort Shiv. He is a great developer, fast adapting, organised and reliable. We are very satisfied with the work and we are looking forward to working...”
  • Data scraping
  • Python
  • C#
  • PHP
Pavel D. - C++/C# Developer

Pavel D.

C++/C# Developer

$15/hr
87 hours
Ukraine
100% JOB SUCCESS
“Great work ethic.”
  • C#
  • C++
  • JavaScript
  • SQL
Sasko A. - Experienced IT specialist

Sasko A.

Experienced IT specialist

$22.22/hr
0 hours
Macedonia
100% JOB SUCCESS
  • Magento
  • WordPress
  • PHP
  • HTML5
Mohammad A. - Full-Stack Web and Mobile Developer

Mohammad A.

Full-Stack Web and Mobile Developer

$60/hr
630 hours
Pakistan
100% JOB SUCCESS
“Mohammad Asif is a pleasure to work with. He is on time and very detail oriented. We will be back!”
  • PHP
  • Amazon EC2
  • AngularJS
  • Git

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At a Glance: JavaScript Development

JavaScript (JS) is a cutting-edge front-end scripting language that’s used to create user experience, interactive webpages, and responsive front-end design while also functioning as a server-side script, thanks to breakthrough development environments like Node.js. All user experience and interactivity is driven by JavaScript, but the language can also power a full-stack JavaScript site with the MEAN software stack. Anything a user clicks, edits, inputs, or pulls up on a website is possible thanks to JavaScript, so it’s a must in the toolbox of a front-end developer. This versatile programming language is used in tandem with client-side technologies like AJAX, responsive web design, libraries like jQuery, and numerous frameworks like AngularJS, ExpressJS, BackboneJS, and Bootstrap to create fast, responsive, mobile-friendly websites and applications.

In addition to building and maintaining the front end of your website, a JavaScript developer can build server-side JS applications with the Node.js development platform, the Express.js framework, and MongoDB databases. JavaScript developers on Upwork have experience with the JavaScript landscape of technologies and are masters of front-end workflow management, site testing, and user experience.

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