One Stop Solution for JavaScript Development

Several global companies such as NASA, Uber, Twitter, Netflix, and others have been using JS-based technologies such as Node, Angular, React, etc. Therefore, we can understand something unique about this scripting technology. Indeed not just one or two; however, thousands of reasons make JS worthwhile. JavaScript is a well-known technology used for both front-end and back-end development. It assists developers in creating superior and highly intuitive front-ends for interactive experiences. As a top-rated JavaScript development company, we know how to build market-ready and profitable JS solutions according to your business requirements.

We have experience working with different industry verticals. Our tech-mavens have in-depth expertise and skills to deliver high-end solutions. We can be your valuable resource, and we scale up your business capabilities with our innovative approach. Using agile methodology for project management is our primary concern. It is one of the best approaches where needs and solutions evolve throughout the process with the combined efforts of cross-functional teams. We also suggest the best suit technology for your web and app development requirements.

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Enhance Your Project with Risk Free Development Process

Agile Development Process

Our systematic development flow assures the project's success and credibility in the market.


We are a prominent JavaScript development company that always gathers and analyses your requirements carefully and frames a perfect road map for product development.


Designing ideas and requirements into logical modules and turning them into user-friendly interfaces. We believe in making intelligent UI/UX.


We develop the project according to the essential modules and designs. We make your website functionally working and interactive with standard coding architectures.

Quality Assurance

Quality assurance activities include code review, errors, bug fixing, and execution of appropriate test cases. We are committed to delivering error-free products to our clients.


It is vital to boost the product and launch it in its specific place; therefore, the users can access and use it in real-time as per their requirements and convenience.

Support & Maintenance

We keep track of the product’s functionality and offer random support in case of any queries. We never left you alone and kept your app active all the time.

Empower Your Business with Our Services

Our JavaScript Development Services

AngularJS Development Services

  • AngularJS is an open-source JS framework. As a Google product, it is trusted by several big organizations worldwide. It assists in augmenting web-based apps using MVC (Model-View-Controller) feature.
  • With regular DOM and two-way data binding AngularJS works better on client sites. It helps developers in creating real-time applications effortlessly. Indeed AngularJS is a highly flexible and reliable framework for developing top-end applications like Gmail.
  • Hire AngularJS developers from 21Twelve Interactive to get customized and business-centric web applications with a perfect mix of user-friendly, interactive features and seamless performance. We are one of the best JavaScript development service providers who offer immense benefits to our clients and help them leverage the full potential of the AngularJS framework.

React JS Development Services

  • We are a prominent team of developers having expertise in using JavaScript for web development. We use our proficiency in creating the most challenging and complex React JS development services.
  • Our experienced team of ReactJS developers knows how to implement new technologies and bring business-driven applications to you. At 21Twelve Interactive, we use innovative and widely used open-source app development frameworks to cater to the best products, such as dynamic web pages, Progressive Web Apps (PWAs), Single Page Applications (SPAs), and many more.
  • As a leading ReactJS development company, we offer innovative solutions and the best performance to value your investment. With standard coding procedures, the most advanced tools, and agile development processes, we always deliver error-free and effective ReactJS products to our clients.

Vue JS Development Services

  • Vue.JS is an open-source front-end technology that assists large-scale enterprises in creating dynamic and real-time applications. This progressive JavaScript (JS) framework utilizes MVVM architecture. Core libraries of Vue.JS help you easily integrate with several other JS libraries.
  • Vue.js development assists developers in creating high-performing and futuristic applications to empower end-users. 21Twelve Interactive is dedicated and committed to offering cost-efficient and result-oriented Vue.js development services to create seamless user interfaces with smooth app functionality.
  • Being famous and trusted Vue.js development company, we offer on-time and error-free delivery of products to our clients. We offer a perfect mix of innovation and techniques to give full value to your investment.

Express JS Development Services

  • ExpressJS is a server-side mobile and web app development framework. If you need a lightweight framework with a vast range of built-in features, Express.JS can be the best bet to develop robust websites.
  • This framework’s mobile and web applications are adaptable, scalable, minimal, and simple. We have years of expertise in creating highly interactive, user-friendly and lightweight applications using ExpressJS.
  • We skilled developers have expertise in maximizing the efficiency of your products with the advanced features of Express.JS, such as database integration, simplified multiple routing, template engines, etc. Being a renowned team of web and mobile app developers, we know how to create IoT applications, enterprise applications, data & streaming apps, etc.

Node JS Development Services

  • Do you want to stay ahead of your competitors by enhancing your business with real-time, fast, and secure node.js development services? We can be the best bet for your node.js development requirements.
  • All the time, we keep our focus on delivering high-end, scalable, and feature-rich tech solutions to our clients. We have a knowledgeable team of node.js developers who know how to make your business visible and profitable in today’s competitive market.
  • Our tech-savvy experts create innovative and result-oriented apps by using agile methodology. We also help you revamp your existing apps with modern-day app development technologies. We help you strengthen your business with high-performing real-time web applications with us.
Sculpt Your Idea Using Innovative Techniques

Technologies We Work On

We are very selective about the development frameworks, databases, and platforms we utilize for product development. Our key solutions are consulting, design, development, domain-specific solutions, and support.

Custom IT Solutions for Varied Verticals


A perfect combination of ideation & innovation of digital products for all industry verticals. We help you streamline and improve customers’ engagement.

Let's discuss your JavaScript development requirements!Hire JavaScript Developer For Your Project

Reason to Choose US

Our Key Features

Our futuristic JS development solutions help you get a competitive advantage in the competitive world.

Quick development and low operational cost
Get access to highly experienced developers
Using latest & standard coding practices
Better knowledge of all scripting languages
Dedicated customer-centric engagement
Timely delivery and seamless project execution
Assure quality deliverables and error-free solution
100% Transparency and confidentiality assurance
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Frequently Asked Questions (FAQs)

Are you finding the best answers for your JavaScript-related queries? We are here to assist you with the best possible explanations.

JS is utilized for front-end and back-end development to create interactive web pages and dynamic web applications by implementing custom client-side scripts. As a prominent JavaScript development company, we have expertise in writing client-side and server-side codes in JavaScript.

There are two types of JS frameworks: front-end frameworks and back-end frameworks. Front-end frameworks are Backbone, js, Ember.js, Vue, React, Angular, etc., while the back-end frameworks are Express.js, Meteor.js, Node.js, etc.

The cost factor always relies on your project requirements, complexity, and the number of features you want to include in your web application. Connect with us to turn your creativity into reality with professional app developers.

Figuring out how long it takes to create a JS web app will depend on different factors, such as the app’s functionality, the experience level of developers, testing platforms, and much more. Get an estimated time for your app development now.

There are several benefits of hiring our JavaScript development services:
  • Lesser development time
  • Assured quality services
  • Affordable web and app development solutions
  • Access to highly experienced web developers
  • Flexible hiring models and work time as per your time zone
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