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React Development

Business applications with React and TypeScript – maintainable, accessible and ready for your team.

dectria builds business applications, dashboards and component libraries with React and TypeScript. React is the foundation of our web frontends – as a single-page application or as a full-stack application with Next.js.

We write TypeScript in strict mode, separate server and client state cleanly, and build components that work with keyboard and screen reader. We bundle reusable components into libraries that several products can share.

For clients in finance, energy and the public sector, we built business applications with form systems, data visualization and role-based access control.

Official website Marc Kornberger Your contact Marc Kornberger Contact for frontend & mobile

What is React – and when is it worth it?

React is a JavaScript library for user interfaces built from reusable components. It is the most widespread standard for interactive web applications and the basis of frameworks such as Next.js.

React is worth it for applications with a lot of interaction and state: forms, dashboards, internal tools and component libraries shared by several products. It is not worth it for mostly static pages – Astro ships less JavaScript there. We only migrate existing applications from other frameworks when there is a business reason for it.

Capabilities

What We Build with React

Component-Based Architecture TypeScript in Strict Mode React Hooks & Custom Hooks State Management (TanStack Query / Zustand) React Server Components Design System Development Accessible UI Components (WCAG 2.2) Performance Optimization Unit & Integration Testing Responsive & Mobile-First Design

Use Cases

Typical Use Cases

Business Applications & Internal Tools

Admin interfaces and data management with extensive business logic, validated forms and clear roles.

Design Systems & Component Libraries

Reusable, accessible components with Storybook documentation that keep several products consistent.

Dashboards & Data Visualization

Interfaces with charts, tables and filters that make large data sets understandable.

References

Selected Projects

Klanglicht Audio Guide
Web Application

Klanglicht - Art Festival of Bühnen Graz

Klanglicht Audio Guide
Soundportal App
Mobile App

Radio Soundportal

Soundportal App
Deposit Insurance Payout Platform
Web Application

Österreichische Raiffeisen-Sicherungseinrichtung eGen (ÖRS)

Deposit Insurance Payout Platform
View all references

FAQ

React FAQ

Does dectria work with React and TypeScript?
Yes, TypeScript in strict mode is our standard for every React project. It prevents many errors during development, makes refactoring easier and helps new team members read the code faster – from the frontend to the backend.
Can dectria take over an existing React application?
Yes. We analyze the code, dependencies and test coverage and show where technical debt sits. Then we decide with you what to develop further, modernize or replace – step by step and without interrupting operations.
Which state management does dectria recommend?
For server data we use TanStack Query; for pure UI state, Zustand or React's own tools such as Context and useReducer. We only add a large global state library when the application really needs it.
Does accessibility law apply to our React app?
The European Accessibility Act, in Austria implemented as the BaFG, has applied since 28 June 2025 to certain consumer products and services, such as online shops, banking services and ticket sales. Internal business applications and pure B2B applications are generally not covered. We still build to WCAG 2.2 AA: semantic HTML, keyboard operation, screen reader tests.

Every project starts with a conversation.

Let us talk about your individual needs and goals.

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