Top-Notch JavaScript Development Company - EffectiveSoft

JavaScript Development Company

For over two decades, we have been using JavaScript to build feature-rich, scalable, and secure software solutions for our clients. Whether you want to create a website or build a complex app, EffectiveSoft offers front-end, back-end, and full-stack JavaScript development services to translate your ideas into results.

JavaScript development services

Our JavaScript software development services

JavaScript software we build

  • Web apps
    From one-page websites to robust enterprise software, we provide JavaScript web development services of all kinds using the best frameworks to deliver impactful, efficient, and easy-to-use web apps.
    javascript web apps
  • Mobile apps
    Proven by many successful projects in our portfolio, we apply state-of-the-art technologies to develop cross-platform mobile apps for Android and iOS that foster impeccable user experience.
    javascript mobile apps
  • Cloud apps
    Getting the most out of the cloud, EffectiveSoft’s team of skilled developers provides customized solutions with secure infrastructure paying close attention to regulatory compliance.
    javascript cloud computing
  • Using JavaScript for back-end (Node.js and other), our Javascript experts can quickly connect server-side and client-side code without the need to combine disparate technologies when creating powerful apps.
    server side javascript
  • Desktop software
    Leveraging the benefits of JavaScript, EffectiveSoft professionals develop cross-platform desktop solutions of any complexity for Windows, Mac OS, and Linux that seamlessly integrate with the system you use.
    desktop apps with javascript
  • Putting our experience to use, we equip organizations across various industries with flexible, interactive, and intuitive CMS solutions to easily customize, maintain, and manage online content needed to encourage effective lead generation.
javascript web apps
javascript mobile apps
javascript cloud computing
server side javascript
desktop apps with javascript

How we work

Usually, we follow the Agile methodology, which implies continuous interaction with our clients and repetition of nearly all the stages after each iteration. However, we understand that each project is unique and adjust our approach to the specifics and peculiarities of the solution and business we work with. Generally, the process includes the following phases:

JavaScript development process

Our process

Why choose JavaScript for your project

JavaScript tech stack

javascript tech stack

F.A.Q. about JavaScript development services

  • No. Although TypeScript is a superset of JavaScript, they are two different languages and the contrast between them is quite large. Unlike JavaScript, TypeScript is a strongly typed, powerful, and intuitive object-oriented programming language that needs to be compiled and does not run directly on the browser. TypeScript is best suited for large-scale or enterprise apps while JavaScript can be used for POCs, MVPs, and small apps.
  • Yes, it is considered one of the safest languages, but there are nuances. Like any other programming language, JavaScript is not without security challenges. The popularity of JavaScript makes it an attractive target for cybercriminals. That is why it is vital to entrust the project to a trusted JavaScript software development company. Experienced and proactive developers know how to apply best practices in writing quality and safe code to secure the software solution.
  • Certainly. Quality assurance is an integral part of the development process in every reliable JavaScript company, so we pay close attention to this stage. To ensure the efficiency and safety of the product, we have a whole team of dedicated QA engineers who perform quality and security tests after each iteration and conduct thorough checks of each element of the software.
  • The cost of custom JavaScript development services depends on a variety of factors: the type of the product, the complexity of the project, the size of the team, the experience of developers, the location of the JavaScript web app development company, the platform of software deployment, and more.
  • Yes, we offer different kinds of JavaScript app development services, including the improvement of a ready product.


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    • If required, we sign an NDA to ensure the highest privacy level.
    • A Pre-Sales Manager submits a comprehensive project proposal. It may include estimates, timelines, lists of CVs, etc., for a particular situation.
    • Now, we can launch the project.

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