Blue background

React.js development services

We offer React.js development services that help build dynamic user interfaces with improved performance, faster development, and better user experience. Let our seasoned team revolutionize your web development journey today.

Toyota logo
Dexai logo
Beiersdorf logo

React.js development services

We build dynamic, high-performance web applications using React.js and offer a range of services to address different needs, including migrating existing applications to React js, integrating third-party services, and providing ongoing maintenance and support.

Full-cycle web development

We offer end-to-end web application development services for startups and enterprises. Our team covers business analysis, UI/UX design, frontend development using modern frameworks like React.js, backend development, testing, and maintenance.

Custom React web development

We develop custom interactive React.js web applications. Every custom application we develop features high scalability, performance, great user experience, and modular architecture for long-term maintainability.

React front-end development

React.js is a JavaScript library that was designed for building fast, interactive, and visually appealing interfaces. We leverage the power and opportunities of React technology, like virtual DOM, to ensure smooth performance, enhanced UI responsiveness, and intuitive user experience across devices.

React Native mobile development

We build cross-platform mobile applications using React Native, a powerful framework built on top of React.js. React Native allows businesses to launch high-performance iOS and Android apps with a single codebase. Our team ensures native-like experiences, fast development cycles, and seamless integration with mobile-specific features.

React UI/UX design

React.js enables interactive interfaces, but skilled experts are required to craft an effective UI/UX design. We create engaging React UI/UX designs that enhance usability and user engagement. Our React experts design intuitive interfaces that align with your brand identity and meet your target audience’s expectations.

Single Page Application development

We develop single-page applications (SPAs) that offer faster load times, dynamic content updates, and a smooth user experience. Using React.js, we deliver SPAs that feel fluid and app-like.

App migration to React

Our React.js consulting services help businesses optimize their applications, improve architecture, and solve performance challenges. We provide expert guidance on Reactjs implementation, code reviews, and the use of best practices.

React consulting

Our React.js consulting services help businesses optimize their applications, improve architecture, and solve performance challenges. We provide expert guidance on Reactjs implementation, code reviews, and the use of best practices.

Architecture building

We design scalable and maintainable React.js architectures, ensuring your application is built with best coding practices, modular components, and future growth in mind. Our team defines efficient state management, routing, and data flow strategies for a robust foundation.

Back end integrations

We design and build scalable, secure, and high-performing APIs using RESTful or GraphQL architecture. Our React.js development services cover the integration of third-party services, databases, and microservices, ensuring seamless data exchange across the entire system.

Maintenance and support

We provide ongoing support and maintenance for React js-based projects. As a part of our support services, we optimize the application performance, apply security patches, fix bugs, and develop and implement new features if necessary.

Audit & Rescue mission

If your React application is underperforming, facing scalability issues, or has code quality concerns, our audit and rescue services help identify and address problems. We conduct code reviews, performance optimizations, and refactoring to bring your app back on track.

Discover the Power of React.js for Your Business

Contact Us for a Custom Quote!

Our comprehensive React.js solutions    

We develop multiple application types using React.js technology. With 12 years of experience in Reactjs development services, we have the knowledge and skills to tackle even the most complex Reactjs projects.

 

Web applicationsWeb applications
Mobile applicationsMobile applications
IoT applications-2IoT applications
Single-page app-2Single-Page (SPAs)
Business applicationsBusiness apps
Other applicationsOther applications

Web applications

We develop fast, secure, and user-friendly websites and web applications that stand out visually among other applications. The usage of React js allows us to quickly deliver user interfaces that feature both a modern look and quick response time.

Web development
Business meeting with IT specialists

Mobile applications

With React Native, we create cross-platform mobile apps for iOS and Android. These applications offer a native-like experience while reducing development costs and time thanks to a shared codebase.

Mobile development
A developer sitting in front of the computers

IoT applications

Our team develops IoT dashboards and control panels using React.js, enabling real-time data visualization, remote monitoring, and seamless device interaction. These dashboards update in real-time and support multiple charts that can easily adjust to user preferences.

Internet of Things development
Web designers with smartphones

Single-Page (SPAs)

Single-page applications are highly dynamic and support multiple user interactions within a single interface without requiring a full-page reload. eCommerce applications, SaaS platforms, collaboration tools, and many more apps are built as single-page applications.

Functional app

Business applications

We create enterprise-grade business applications with React.js, designed to deliver significant business value. Every project begins with a detailed business analysis, where we examine processes, goals, participants, assets, and other workflow aspects to identify areas for improvement. This allows us to build precise software solutions that enhance operational efficiency and help achieve business goals.

Enterprise software development
Coding migration

Other applications

Need something unique? We develop custom Reactjs solutions tailored to specific business needs, ensuring high performance and seamless integration.

Solutions for every business size

Enterprise software

We build robust, scalable, and secure enterprise software solutions using React js. Designed to handle large-scale operations, complex workflows, and high-user traffic, we integrate our applications into existing business ecosystems without disrupting operations.

Software for SMBs

For small and medium-sized businesses (SMBs), we develop custom React.js applications that support business operations, attract new customers, engage and retain existing clients, and enhance productivity—helping businesses thrive in the digital age. Our solutions are cost-effective, scalable, and tailored for growth without unnecessary complexity.

Startup MVPs

We help startups turn ideas into functional products by developing Minimum Viable Products (MVPs) with React.js. Beyond Reactjs development services, we provide guidance on ensuring a quick MVP launch, reducing costs where possible, validating startup concepts, and attracting investors.

Enterprise software

We build robust, scalable, and secure enterprise software solutions using React js. Designed to handle large-scale operations, complex workflows, and high-user traffic, we integrate our applications into existing business ecosystems without disrupting operations.

Software for SMBs

For small and medium-sized businesses (SMBs), we develop custom React.js applications that support business operations, attract new customers, engage and retain existing clients, and enhance productivity—helping businesses thrive in the digital age. Our solutions are cost-effective, scalable, and tailored for growth without unnecessary complexity.

Startup MVPs

We help startups turn ideas into functional products by developing Minimum Viable Products (MVPs) with React.js. Beyond Reactjs development services, we provide guidance on ensuring a quick MVP launch, reducing costs where possible, validating startup concepts, and attracting investors.

Why choose React.js?

Overall, using React.js can result in a more efficient and effective software development process, leading to better quality applications with improved performance and user experience.

Component-Based Architecture-1

Component-based architecture

React.js is built on a component-based architecture, which allows reactjs development companies to break down complex UIs into smaller, reusable components that can be easily managed and updated.

Performance and scalability

Performance and scalability

React.js uses a virtual DOM to minimize the number of direct manipulations needed on the actual DOM, reducing rendering time and improving performance. Thanks to other benefits of React js, such as state management with Redux and Context API, lazy loading, code splitting, and more, the applications can grow in complexity and handle increasing user loads without performance degradation.

Ecosystem and Community Support-1

Ecosystem and community support

With backing from Meta (Facebook) and a large react experts community, Reactjs benefits from continuous updates, a vast ecosystem of third-party libraries, and extensive support.

Perfected Testability & Debugging with React Developer Tools-1

React DevTools

React DevTools is a browser extension that allows developers to inspect and modify component states and props in real time, track component hierarchies, identify performance bottlenecks, simulate component behavior, and more. It enables easy debugging and testing, allowing react experts to inspect and optimize components for better performance and reliability.

Online visibility

Online visibility

React.js supports server-side rendering (SSR) and static site generation (SSG), making applications more SEO-friendly and improving search engine rankings. With these techniques, search engines can effectively crawl and index content immediately with blazing-fast load times.

Cross-platform design

Cross-platform design

React.js can also be used to build native mobile applications through React Native, a framework that allows react experts to write code once and deploy it on both iOS and Android devices. That’s one of the core reasons why reactjs development companies love React.js.

Faster Development

Faster development

Component-based architecture, extensive third-party libraries, developer-friendly tools, and more complimentary aspects speed up development and reduce time-to-market and development costs.

Better user experience

Better user experience

React.js is designed to provide smooth UI updates, fast interactions, and dynamic content rendering, which directly impact engagement and retention rates. By eliminating slow page reloads and UI glitches, React.js applications deliver a great user experience, keeping users satisfied and more likely to return.

React.js and React Native: difference

Table - React vs React Native-2
Table - React vs React Native-2

Ready to Elevate Your Application?

Connect with Our React.js Developers Now!

React.js complimentary tech stack

React.js handles the front-end of applications, so it should be used in conjunction with other technologies. At SumatoSoft, we leverage a cutting-edge tech stack to develop solutions of varying complexity. From back-end to DevOps and AI, we select the best technologies to maximize the benefits for your business.

Back-end

We use powerful back-end technologies to build scalable, secure, and high-performing server-side applications that integrate smoothly with front-end interfaces and databases.

  • C++
  • NestJS
  • Flask
  • Django
  • Express.js
  • .NET
  • PHP
  • Ruby
  • Java Spring
  • Python

Front-end

We create modern, interactive, and fast front-end applications using the latest frameworks and libraries for a seamless user experience and high responsiveness.

  • Next.js
  • Vue.js
  • Angular
  • React.js
  • PWA
  • TypeScript
  • JavaScript 
  • HTML/CSS

User interface development

Our UI frameworks and libraries help design visually appealing, authentic, accessible, and intuitive user interfaces, ensuring a consistent look and feel across devices.

  • Material-UI
  • Styled Components
  • Chakra UI
  • Reactstrap
  • Emotion
  • Tailwind

DevOps & Cloud

If necessary, we integrate DevOps tools and practices to automate the process of building, testing, and deploying applications, tracking response times, load times, and overall system health. 

  • Conan
  • Cmake
  • Github Actions
  • CUDA
  • Datadog
  • Grafana
  • Kubernetes
  • Podman
  • Docker
  • Google Cloud

State management

Effective state management is key in React development since it controls how data flows and updates occur. We use technologies that enable efficient data flow, caching, and synchronization across components.

  • Redux
  • MobX
  • Apollo Client
  • React Query

Database development

We implement scalable and optimized database solutions to ensure fast and secure data storage, retrieval, and processing.

  • Redis
  • Cassandra
  • MongoDB
  • Oracle DB
  • SQL Server
  • PostgreSQL
  • Elasticsearch
  • MySQL

Code handling and optimization

We enhance code quality, performance, and maintainability using advanced build tools, linters, and compilers for efficient development.

  • TypeScript
  • Webpack
  • Parcel
  • Rollup
  • Babel
  • ESLint
  • Prettier

 

Testing and validation

We only release the software if it meets the specified percentage of acceptance criteria. Our testing and validation tools ensure code reliability, bug-free applications, and smooth performance. 

  • Enzyme
  • React Testing Library
  • Jest
  • Yup
  • Cypress

Artificial Intelligence

We integrate AI technology into our applications, leveraging the power of machine learning to enhance the application funcitonality. 

  • DL4J
  • Chainer
  • OpenCV
  • CNTK
  • Caffe
  • Theano

Advanced tech we use with React.js

Start Your React.js Project Today

Schedule a Free Consultation!

The system has produced a significant competitive advantage in the industry thanks to SumatoSoft’s well-thought opinions.

They shouldered the burden of constantly updating a project management tool with a high level of detail and were committed to producing the best possible solution.

Nectarin LLC aimed to develop a complex Ruby on Rails-based platform, which would be closely integrated with such systems as Google AdWords, Yandex Direct and Google Analytics.

I was impressed by SumatoSoft’s prices, especially for the project I wanted to do and in comparison to the quotes I received from a lot of other companies.

Also, their communication skills were great; it never felt like a long-distance project. It felt like SumatoSoft was working next door because their project manager was always keeping me updated. Initially.

We tried another company that one of our partners had used but they didn’t work out. I feel that SumatoSoft does a better investigation of what we’re asking for. They tell us how they plan to do a task and ask if that works for us. We chose them because their method worked with us.

SumatoSoft is great in every regard including costs, professionalism, transparency, and willingness to guide. I think they were great advisors early on when we weren’t ready with a fully fleshed idea that could go to market.

They know the business and startup scene as well globally.

SumatoSoft is the firm to work with if you want to keep up to high standards. The professional workflows they stick to result in exceptional quality.

Important, they help you think with the business logic of your application and they don’t blindly follow what you are saying. Which is super important. Overall, great skills, good communication, and happy with the results so far.

Together with the team, we have turned the MVP version of the service into a modern full-featured platform for online marketers. We are very satisfied with the work the SumatoSoft team has performed, and we would like to highlight the high level of technical expertise, coherence and efficiency of communication and flexibility in work.

We can say with confidence that SumatoSoft has realized all our ideas into practice.

We are absolutely convinced that cooperation between companies is only successful when based on effective teamwork (and Captain Obvious is on our side!). But the teams may vary on the degree of their cohesion.

They are very sharp and have a high-quality team. I expect quality from people, and they have the kind of team I can work with. They were upfront about everything that needed to be done.

I appreciated that the cost of the project turned out to be smaller than what we expected because they made some very good suggestions. They are very pleasant to work with.

The Rivalfox had the pleasure to work with SumatoSoft in building out core portions of our product, and the results really couldn’t have been better.

SumatoSoft provided us with engineering expertise, enthusiasm and great people that were focused on creating quality features quickly.

We’d like to thank SumatoSoft for the exceptional technical services provided for our business. It should be noted that we started our project’s development with another team, but the communication and the development process in general were not transparent and on schedule. It resulted in a low-quality final product.

SumatoSoft succeeded in building a more manageable solution that is much easier to maintain.

When looking for a strategic IT-partner for the development of a corporate ERP solution, we chose SumatoSoft. The company proved itself a reliable provider of IT services.

Thanks to SumatoSoft can-do attitude, amazing work ethic and willingness to tackle client’s problems as their own, they’ve become an integral part of our team. We’ve been truly impressed with their professionalism and performance and continue to work with a team on developing new applications.

We are completely satisfied with the results of our cooperation and will be happy to recommend SumatoSoft as a reliable and competent partner for development of web-based solutions

Process of developing software with React.js

We follow an Agile iterative process, which implies delivering functional parts of the software every two weeks. This approach allows us to release software in increments, gathering early feedback from stakeholders and users. The first four steps below are repeated multiple times until the entire software is developed, after which we proceed to the release stage.

1
Requirements elicitation

We begin by preparing detailed descriptions of requirements and user expectations and scenarios. This phase includes:

  • holding workshops to gather and refine requirements;
  • documenting acceptance criteria and user stories;
  • requirements validation and verification.
2
UI/UX design

Our design team collaborates with business analysts to create an intuitive and engaging user experience. This phase involves:

  • detailed research of competitors and user behavior;
  • developing mood boards, wireframes, and interactive prototypes;
  • refining UI/UX designs through iterative feedback from stakeholders;
  • documenting design specifications for seamless handoff to the development team.
3
Development

The development phase is where our talented react experts write frontend using React.js and backend using other technologies. This phase includes:

  • development of highly interactive interfaces based on the UI design;
  • writing and reviewing code for features;
  • overview of the code quality from our Tech Lead.
4
Testing

Quality assurance is integrated throughout the development process, ensuring a bug-free, high-performance product. Our

  • testing process includes:
  • manual testing;
  • preparing automated test cases;
  • performing usability, performance, and security testing;
  • using CI/CD pipelines.
5
Release

Once the iterations are complete, we release the application on the web or in mobile app stores. This stage includes:

  • delivering a final report and obtaining Client confirmation for launch;
  • performing knowledge transfer and training;
  • setting up monitoring tools to track performance and detect issues post-launch.
6
Maintenance & support

After the project is live, we can continue to support and enhance the application with:

  • proactive monitoring and issue resolution;
  • updating versions of used technologies and frameworks;
  • developing new features;
  • providing ongoing performance reports and system improvements.

Engagement models for React.js development

At SumatoSoft, we offer three engagement models that suit different business needs.

Project-based development

We take full responsibility for project execution, from planning to deployment. You act as a stakeholder who provides initial information, reviews the work, and sets the course for product development. Three pricing models are available here.

Time & Material – monthly billing based on actual hours worked. The budget and scope are unfixed. Best for middle/long-term projects.
Fixed price – billing is based on the pre-agreed sum. The scope and budget are fixed. Ideal for small projects with a clear scope, timeline, and budget.
Fixed budget – billing is based on actual worked hours, but a pre-agreed sum limits the budget. The scope is flexible. Most suitable for projects with a strict budget cap and dynamic unclear requirements.

Outstaffing

We provide skilled React.js developers to extend your team while you retain full project control.

Time & Material – a flexible model where you pay for actual time spent by our React.js developers;
Fixed price – a pricing model where we agree on a set number of hours our specialists will be available each month.

Dedicated Team

We provide a full-time Reactjs development team at your disposal, which you fully manage.

Fixed price per month – a predictable monthly cost for a dedicated team of react experts, designers, and QA specialists.
Project-based development

We take full responsibility for project execution, from planning to deployment. You act as a stakeholder who provides initial information, reviews the work, and sets the course for product development. Three pricing models are available here.

Time & Material – monthly billing based on actual hours worked. The budget and scope are unfixed. Best for middle/long-term projects.
Fixed price – billing is based on the pre-agreed sum. The scope and budget are fixed. Ideal for small projects with a clear scope, timeline, and budget.
Fixed budget – billing is based on actual worked hours, but a pre-agreed sum limits the budget. The scope is flexible. Most suitable for projects with a strict budget cap and dynamic unclear requirements.
Outstaffing

We provide skilled React.js developers to extend your team while you retain full project control.

Time & Material – a flexible model where you pay for actual time spent by our React.js developers;
Fixed price – a pricing model where we agree on a set number of hours our specialists will be available each month.
Dedicated Team

We provide a full-time Reactjs development team at your disposal, which you fully manage.

Fixed price per month – a predictable monthly cost for a dedicated team of react experts, designers, and QA specialists.

Why choose SumatoSoft for React.js development?

React.js offers multiple benefits to businesses. Recognizing this, we have successfully implemented React.js in over 250 projects, exploring various implementations of this technology. For over a decade, we have acted as a react js development company, building reliable, engaging, and future-proof solutions using React.js. Beyond experience, we offer: quality (we are an ISO-certified company), transparency (transparent cooperation is our core corporate value), and a high quality/cost ratio (all our Clients praise us for delivering exceptional results for our price).

By partnering with us, you benefit from:

  • react developers with 13+ years of experience;
  • proven expertise with 250+ successful projects;
  • a strong focus on business value delivery;
  • simple & transparent cooperation;
  • a strict NDA signed from day one;
  • high security and quality standards.
Business meeting on ror project
98
%
Of our Clients are satisfied with the services we provide
250
+
Successful projects we deployed
70
%
Of our React.js development team are senior-level engineers 
25
+
Countries our activity area covers
13
+
Years on the market

Awards & Recognitions

At SumatoSoft, our commitment to excellence and Client success has earned us recognition from leading industry analysts worldwide. Acknowledged among the top software development companies, we take pride in delivering high-quality React.js solutions that drive real business value.
Top software development company in massachisetts badge from goodfirms.co
Goodfirms badge icon
TDA badge icon
AWS partner badge icon
Custom Web Design Development 2025
TR top web developers 2024
Yury Shamrey CEO at SumatoSoft
Sumatosoft specialist image
Katerina Merzlova (Head of Sales and Marketing)
Sumatosoft team meeting
Sumatosoft developer
Sumatosoft office space
Sumatosoft team members
Sumatosoft team party
Sumatosoft cakes
Sumatosoft team photo

Frequently asked questions

How do you handle security during React.js development?

As the leading Reactjs development company, we follow the latest security coding practices and standards, as well as our internal guidelines, apply authentication mechanisms like OAuth or JWT, and run regular security audits.

How do you ensure that the final product is scalable and future-proof?

We design modular architectures, use state management (Redux, Context API), optimize performance with lazy loading, and ensure API-first development. If you contact us for react js development services, we can explain more about react js technology and our approach.

Can I hire a React developer on a full-time basis?

Yes, as a professional Reactjs web development company, we offer dedicated Reactjs experts who join your team full-time.

What is the difference between React, Angular, and Vue?

  • React.js – flexible, component-based, optimized for UI.
  • Angular – full-fledged framework, opinionated, TypeScript based.
  • Vue.js – lightweight, easy to integrate, progressive framework.

Let’s start

You are here
1 Share your idea
2 Discuss it with our expert
3 Get an estimation of a project
4 Start the project

If you have any questions, email us info@sumatosoft.com

    Please be informed that when you click the Send button Sumatosoft will process your personal data in accordance with our Privacy notice for the purpose of providing you with appropriate information. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

    Vlad Fedortsov (Sales Manager)
    Vlad Fedortsov
    Account Executive
    Book a consultation
    Thank you!
    Your form was successfully submitted!
    Contents
    Navigate
    If you have any questions, email us info@sumatosoft.com

      Please be informed that when you click the Send button Sumatosoft will process your personal data in accordance with our Privacy notice for the purpose of providing you with appropriate information. This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

      Vlad Fedortsov (Sales Manager)
      Vlad Fedortsov
      Account Executive
      Book a consultation
      Thank you!
      Your form was successfully submitted!