JavaScript Application Development

JavaScript Application Development

Logo Javascript+HTML5+CSS3 - Altoros Javascript Developers

As more people use mobile devices to access Web content, providing great user experience on a variety of platforms and hardware is getting more challenging than ever. With extensive expertise in JavaScript, CSS3, HTML5, and Responsive Web Design, software engineers at Altoros can build solutions to suit the custom needs of any project. Over 14+ years, our JavaScript programmers have developed advanced software applications for dozens of industries, including telecommunications, marketing, e-commerce, social networking, and media.

Focused JavaScript / front-end development services:

Development of responsive Web applications with JavaScript and HTML5+CSS3. Development of single-page applications

UI/UX design and prototyping

Porting existing applications to JavaScript (e.g. Flash/Flex to JavaScript)

Development of JavaScript frameworks

We are experts in:

Responsive Web Design frameworks Bootstrap, ZURB Foundation
CSS extensions SASS, Less
JavaScript frameworks Backbone.js, AngularJS, Spine.js, KnockoutJS, Ember.js, Meteor, YUI, Sproutcore, Mootools, ExtJS
Tools and libraries React.js, JQuery, CoffeeScript, Three.js, TypeScript, Require.js, Underscore.js, Marionett, Grunt, Raphaël, Dojo
Server-side environments Node.js

*If you haven’t found the expertise you need, please inquire about it via the contact form, e-mail, or a phone call.

Why Altoros's JavaScript team:

Proven expertise in JavaScript, HTML5, and CSS3

Hands-on experience with responsive Web design and cross-platform Web applications

Access to 250+ in-house big data, Ruby, .NET, Java, QA engineers—we cover the entire application development life cycle

91.5% of the team members are Mid- and Senior-level software engineers with excellent communication skills

Why Altoros:

Founded in 2001, Altoros is a global software delivery acceleration specialist that provides focused product engineering to technology companies and enterprises.

  • Cost-effective Development. Lower costs due to engaging expert Front-end developers from Eastern Europe at cost-effective outsourcing rates.
  • Personnel with Technical University Degrees. 96% of Altoros’s employees have university degrees in mathematics, physics, or computer science.
  • A High Customer Satisfaction Score. 94% of Altoros’s customers are ready to recommend Altoros to their business partners.
  • Local Presence. 250+ strong, full-time team across 10 locations (California, Massachusetts, Norway, Denmark, UK, Switzerland, Argentina, Finland, and Eastern Europe).

Recent JavaScript projects:

Customers speak:

“We highly recommend Altoros to rapidly build complex applications using cutting edge technologies. Again, great job!”

Christopher Adorna


“We are indeed quite pleased with the partnership we’ve built with Altoros.”

Paul Lothridge


Request a Free Quote

Talk to Our Expert

Violetta Akhrimenko
Head of Front-end / JavaScript Development

+1 (650) 265 2266

Customers Speak

  • "We highly recommend Altoros to rapidly build complex applications using cutting edge technologies. Again, great job!"

    Christopher Adorna, Sony Sony-logo-vector
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