React.JS Development Company

Enabling interactive and intuitive interfaces in dynamic React solutions
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React.js development

React is an open-source front-end JS library used to build effective user interfaces and UI elements. With React, dedicated developers build a client’s side of a solution. The client’s impression of a product defines a company’s chances of success. That’s why React.js application development is a helpful tool on your way to a profitable business.

Popular websites like Facebook (React Web Development Creator), Netflix, BBC, Instagram, and Yahoo Mail were built with React. It’s a perfect choice for companies that want to get visually appealing and responsive products. React software solutions are lightweight and versatile so that businesses forget about system overload or boring data processing.

React web development is widely used because of its simplicity. With its help, you can get bug-free and highly flexible end products. Cross-field experience in react js development services allows our specialists to create performant and efficient products for any audience and industry.

Are you planning to create a powerful solution but doubt what technology to rely on? Hire our react js developers. We’re always here to help and consult you on your choice.

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Check Out Our Case Studies



uMore is our AI-powered tool aimed at tracking the wellbeing of the users. Its goal is to help you remove negative behaviors and implement new positive habits. It has powerful information-sharing capabilities: clients can use this tool to track not only their well-being but also that of their relatives and friends.

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Accounting is a complex process even for specialists. PayStub helps simplify this process. It’s an online service that helps track the payment of the employees and manage it. The presented software targets every aspect of payment (including taxes), making the management process simple.

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Business management projects are essential in the modern world. One of the apps we’ve developed targets this need. It’s a B2B platform for on-demand manufacturing. The project helps our Estonian partners to streamline the procurement of metal parts and concentrate on other aspects of doing business.

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React js Development Services We Offer

React.js development services for web solutions from scratch

Do you want to build a new project? Keenethics can help you with this aim: contact our company to receive a high-quality service. We know how to create new projects from scratch.

A strong React native mobile app development team

Do you want to work with professionals? Our company has a great team! For example, you can contact our Strike Force, a group of senior developers who can create the basis for your product in one month.

UI/UX development for Reactjs application development

The quality of your user interface can define the popularity of a project. Our team knows how to work with high-quality UIs. In fact, you can even undergo a UI audit in our firm to determine if your user experience strategy makes sense.

Custom solutions via React.js

Our company offers an opportunity to create projects that fit your business needs. You can consult our specialists to create a product fitting a maximum number of people.

React migration services

If your company wants to transition to a novel platform without losing its old capabilities, Keenethics is a perfect choice. We offer help with migration: it involves the preservation of the key software infrastructure connected with the upgrades of the user interfaces.

React maintenance

When you install a new platform within a business, a major aspect arises: how to maintain it? Our company solves this problem once and for all. We help our partners with maintaining React.js solutions in long-term scenarios.

Our Full-Cycle React Web Development Method

As a React development company, we guide businesses through every stage of software development while delivering effective and elegantly designed solutions to improve your daily business processes.
The goal of business analysis is to test the project idea using high-quality React development services
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Through continuous testing, we make sure the code we develop is clean, effective, and free of bugs.
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The goal of a discovery stage is to test and develop the project idea.
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Software grows outdated, technical errors occur, and the project idea undergoes changes.
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Why Choose KeenEthics as React JS Development Company?

Dedicated team

When working with KeenEthics, you hire a keen team of dedicated React developers. They have multiple years of experience with this platform, being capable of delivering high-quality products. In this regard, we’re especially proud of our Strike Force: this group of specialists can help your jumpstart a product in one month.

Dedicated team

Custom solutions

Keenethics is a custom development company. We deliver products that target your business specifically. In this light, you can hire us to create solutions that solve unique problems. This approach saves funds, offering a perfect business opportunity for creating strong customer-centric solutions.

Custom solutions

Saving time

The development of custom solutions for your business is a complex process. Our team saves time for you by providing a well-organized group of developers and offering knowledge on developing custom solutions. You no longer need to invest major funds into creating your own team: we do everything for you!

Saving time

UI/UX expertise

Creating a strong UI solution is essential for the success of any firm. Our company can help review your user interfaces to provide advice on their long-term maintenance.

UI/UX expertise

Our Customers Say

The aim of the project was to introduce automation into our business processes. With KeenEthics’s help, we reached our goal, and now, we have a powerful and efficient calculating tool that performs a dozen of important functions instead of us. Moreover, it helps prevent estimation errors, which frequently happened because of the human factor. We chose React framework for the development of the front end; Figma was used for designing the interface. MongoDB database and Node.js environment were also applied in the development process. The workflow is very effective: both ADS and KeenEthics believe that transparent communication is the foundation of prolific cooperation.

Andrii Mandzhala
Andrii Mandzhala Kyiv, Ukraine
CEO and Founder, ADS
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KeenEthics has been part of our journey in developing our digital tool from the start. We chose KeenEthics because we got the impression that they could support us with the terms of how and having the capacity to really unlock this tool. They connected with us on a more why level. They took the time to understand why we were building it. A talented, innovative team, KeenEthics has been an indispensable resource throughout the platform’s development. Their professionalism, technical skill, and personable nature have made them excellent strategic partners. We’ve been able to build a true partnership with KeenEthics. They have solid competence, and they’ve been able to connect us with really strong developers and front-end designers.

Dominic Von Martens
Dominic Von Martens Stockholm, Sweden
Co-Founder, Self Leaders
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Benefits of our ReactJS Development Services


Development approaches based on strong frameworks

We can develop your project via any platform you may want: Agile and Waterfall are among the options for our clients.

A professional team of dedicated ReactJS developers

Our company wants to deliver projects of the highest quality. For this goal, we maintain a potent team of specialists that constantly work on their React.js skills.

Dedication to security

Business typically works with sensitive user data. In this light, security becomes an essential element of success. Our company uses best practices to preserve the security of your services.

High-quality communication

Our company dedicates major resources to ensuring maximum transparency. We’re ready to answer every question about the development process.


I'm here to help you find a software solution.

If you have a business challenge you want to solve with a software solution, let me tell you about our offers. Should we start with a free estimate of your project?

Daria Hlavcheva

Head of Partner Engagement

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What is React?

React is an open-source front-end JS library for creating user interfaces based on UI components. It’s supported by Facebook and its community. Using React with frameworks like Next.js, you can create single-page, mobile, or server-rendered apps. React doesn’t provide a complete “app library” and requires other additional libraries for a full-fledged app. Since the framework is designed and used especially for creating user interfaces, it doesn’t have all tools needed for the developers in the app development process.  

Why choose React?

Our React developers define five core benefits of using React app development:

Reusable components

React.js offers developers the opportunity to reuse code components. It reduces the development time and saves you money that can be spent on product promotion and branding.


Choosing a React.js development company is a winning strategy. Being efficient, React.js allows for better performance. React.js solutions load fast and aren’t resource-demanding.

Quick launch

React.js takes a few minutes for setting up and then it’s ready to use. You’ll quickly move to launch your development project. With React.js, you can also build PWA, one of the major trends in software development.

Highly adaptable

No matter how futuristic your project is. React.js helps implement both common and novel ideas. The only task is to select a reliable React.js partner. Our list of React.js interview questions may help you choose the best one.

How much does it cost to develop a react web application?

Before answering the question, we need to address much more information since the cost depends on various factors. To evaluate the approximate price of the react app, we have to define the features required for the app, the development time, the timeframe for completion, and the team involved in development. Also, it’s important to negotiate on code quality, scalability, and maintainability of the app and decide if you need junior or senior devs for the project. These questions are only several ones to set the price apart from other critical issues like maintenance costs, bug fixing, hosting, etc.

Is React cost-effective?

There are nine benefits of how React.js application development can cut development costs. Faster time to market, ready-to-use components, reusability, scalability, accelerated setup, help-on-demand, ease to learn and use, backward compatibility, promising, mature, and stable technology are features making the framework popular for many companies and developers.

What are the skill-sets of your ReactJS developer?

Our developers are responsible and those who can easily fit into the time frame. They’re highly qualified experts who help each client find and implement the best web solution.

By the way, we present you with a great offer. You can hire a team of our best senior developers called Strike Force for a perfect start to your project. Within a month, they’ll set up the development environment, major development processes, and project architecture. Afterward, we suggest switching most of the team members to junior or mid-level developers, while senior developers stay as consultants. This way, you have a more affordable project with a perfect quality set from the start.

In KeenEthics, every expert in their tech domain does everything to get more satisfied users with UX audit. This approach is the best way to cut the development expenses and improve your ROI in the long run. At the same time, we eliminate the pain points of your users as well as improper design practices. Learn more in this UX presentation.

Finally, KeenEthics is a place for a motivated team with our mental health program. When working with KeenEthics, you hire a keen react.js development team of dedicated developers. Our Mental Health Officer monitors closely the mental state of each employee to ensure happiness, motivation, and loyalty. With our employee satisfaction checkups, we ensure low employee turnover and no associated project delays. Learn more in this mental health article.

How much time will it take to develop a ReactJS Project?

Usually, developing a React.js project can take around 8-10 days or up to weeks. As for creating apps, if you are a decent react web developer, you can build a simple app in less than a day. However, a complex production app or project can take even several months. There is no standard time. Here, the time duration depends on your requirements and ideas. Also, there are critical factors influencing the time needed for devising the project, like what a simple or complex project means for you, your level of competence with technology, and the size of the project team.

React and React Native: what is the difference?

React JS is a front-end library developed and maintained by Facebook. Today, it’s considered to be one of the widespread JS libraries with a good foundation and community. In development, React is used to handle the view layer for applications. You can create reusable UI components.


By choosing React Native, you can quickly develop mobile apps for different operating systems using the same codebase. RN is a mobile framework compiling to native app components and enabling you to device apps on various operating systems.

While React is a library for creating apps using JS, React Native is a whole platform helping you build cross-platform apps and giving them a truly native feel.


If you need professional advice on these or other technologies, you can contact us, and we’ll gladly help you.


Besides, you can get more information by visiting our blog. Our experts in their tech domain wrote articles about React.js development and other technologies. There, you can find out:

Angular vs React: what to choose for your app.

Do you provide after-sales support and maintenance?

We can help you in either case, so all our clients can count on ongoing support, enhancements, upgrades, and technical improvements to your product.

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