Build interactive and performant web interfaces with top React experts
React is the world's most popular front-end web framework for building interactive web interfaces. Backed by Facebook and thousands of open-source contributors, it's not only mature and stable but also developed at a high pace.
We chose React as the core of our front-end web development services from the very beginning. Since then, we have had the opportunity to build advanced user interfaces for our clients, such as custom video call solutions or interactive content editors.
Our experts worked with 20+ worldwide tech innovators

Why React for web app development?
Component Architecture
React.js leverages a modular approach, allowing developers to build encapsulated components that manage their own state. This leads to more manageable code and reusability across the application, resulting in long-term lower cost of development.
Rich Ecosystem
The React ecosystem is huge, offering a wide range of tools, libraries, and extensions. For most use cases, there is a library that supports them, and if not, you can just wrap JavaScript library in a React component and you're good to go.
Supported by Facebook
Backed by Facebook and thousands of open-source contributors, React receives regular updates, keeping it a top choice for web application development. This consistent support builds business trust in its reliability and growth prospects.
Widespread Adoption
React.js is the technology of choice for many top companies, such as Airbnb, Netflix, and Instagram. This widespread successful adoption proves its performance and flexibility in large-scale systems.
We're developing innovative applications using React with our clients.

Curiosum enabled our team to develop a complete platform despite their lack of prior knowledge about Elixir stacks. In addition, their team impressed the client with their honesty, integrity, availability, and efficiency.

I'm very satisfied with the deliverables and impressed with the partnership. Curiosum is efficient and communicative team.

Curiosum helped us substantially to introduce OTP and caching concepts into out app as well as formulate the increasingly complex API in a concise manner. They played essential role in the development of our product.

Curiosum team have been great to work with, and we would certainly recommend them. Both of the developers we've had from them have been talented, hard working and a great asset to our team.

Curiosum team has adapted very well to the way we work and has been able to give valuable contribution to our overall product development.

Thanks to Curiosum, the platform now supports 10 times more users within the same server capacity. Also, external and internal stakeholders are happy with the quality of the application. Overall, the team works seamlessly through two-week sprints, using Slack and Jira for project management.

Finding experts in the tech stack we use - Elixir, Phoenix, React, GraphQL - is not easy. Curiosum understood our business perspective well and offered valuable feedback. That is exactly what we expect from our outsourcing partners.

We can support you with a variety of React web development needs
React front-end app development
React consulting
React codebase audit
Developing new React components
Migration to React.js
Scaling React application
React architecture consulting
Custom React.js software needs

Knowledge base for curious minds
Elixir Meetups
Connect with fellow developers and explore Elixir together.
Open source projects
Browse our contributions to the dev community.
Ebooks
Level up with our expert tech guides.
Recordings
Watch our tech talks and workshops.
Cooperation that simply works
First meeting
We meet to discuss your specific project needs. You will get to know us better, especially in terms of how we cooperate with our clients and how we approach working with React projects.
After the meeting, you'll receive a full meeting summary, company overview, and cooperation proposition.
Second meeting
Once you review our proposition and decide to work with us, we will schedule a second meeting to prepare for work. Before that, we usually sign an NDA to keep you safe.
After the paperwork, we start to review the code and project scope to prepare specific tasks and share our ideas regarding improvements.
Development & release
We're ready to work and the real development starts. Every feature development cycle involves programming, code testing, code review, quality assurance and deployment.Quality is a must for us.
Therefore, every project involves a thorough continuous integration process to minimize human errors.
Feedback
To make sure that both sides are satisfied with the work, we organize regular meetings. Thanks to the feedback loop, we can grow together.
Mistakes and problems may always happen. It's very important to discuss them as soon as they appear and solve them quickly. That's why we value constructive feedback very much.
Cooperation models that fits your organization
We are working with small, medium, and large companies, and we know that each company has its own goals, strategies, and needs. Regardless of what type of organization you represent, our goal is to be a partner that becomes an integral part of your company.
Outsourcing model
We are responsible for delivering your project from scratch or as a new module within an existing application. To make sure that you're up-to-date with our work, we maintain daily communication and meetings.
Staff augmentation model
We extend your current team, providing expertise and team size for your needs. Our single goal here is to make sure that our part of the team becomes an integral part of yours so that it feels like you hired someone in-house.

Schedule a free React consultation
Got questions about your React project? That's completely normal. I've found that the most effective way to understand your unique requirements and address concerns is through a direct conversation.

Michał Buszkiewicz
CTO
What can we talk about:
Your project vision and how our React knowledge can bring it to life
Building a modern web interface from scratch or revamping your current frontend
Boosting your application's speed and user experience without breaking the budget



You have questions, we have answers.
Get quick answers to questions our clients frequently ask about working with us.
Can't find what you're looking for? Reach out to our team directly.
A React software development company, also known as a React dev shop, React consulting firm, React consultancy, or React outsourcing agency, consists of experts proficient in the JavaScript programming language and the React.js framework.
It's important to distinguish between a general software development company and one focused on the JavaScript programming language and its React web framework. Specialization in a specific technology stack is essential for ensuring your project's stability, maintainability, and cost-effectiveness.
Yes, we've been involved in numerous React projects. These projects encompassed React app development, React consulting, and enhancing existing React apps with additional features.
Details of some projects we've participated in are available on our portfolio page
React is our primary area of expertise in web development, while React Native stands as our central specialization for mobile app development.
Additionally, we possess expertise in other technologies. For backend development, Elixir and its ecosystem are our main focus. We also offer expertise in diverse database solutions alongside Machine Learning and Artificial Intelligence capabilities.
For a comprehensive overview of our specializations, please visit the Curiosum services page.
Most of our projects related to React web development services require a full-time engagement from our React experts. However, if you're looking for a more adaptable schedule that needs fewer hours, we're willing to discuss this and consider different options.
For React consultancy services, we set a fixed number of hours each month. This arrangement requires less commitment, so it's really based on the specific requirements of your project and your own preferences.
As a React web development agency, we place great emphasis on a learning and knowledge-sharing culture to keep our technology skills at a high level and up-to-date. Check out some of the resources we make available to the public:
- Blog
- Resources page featuring podcast episodes, webinars, conferences
- Open source initiatives
React is often considered one of the best web frameworks due to its developer-friendly declarative programming model, efficient performance through the virtual DOM, and component-based architecture that encourages reusable, maintainable code.
Its vast ecosystem, supported by a robust community and corporate backing from Facebook (Meta), provides extensive libraries and tools for diverse development needs.
The flexibility to integrate React into existing projects and continuous innovation, like Hooks for state management without classes, further cements its status.
These qualities make React a versatile and powerful choice for building dynamic, high-performing web applications.
React is applicable for both web and mobile application development. React.js serves as an efficient library for crafting user interfaces in web development, while React Native leverages the same React principles to develop native mobile applications for Android and iOS.