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Case study17
React-based trading frontend with modular architecture for market data integration

Partner
Client project
Industry
Fintech & Trading
Core technologies
React · TypeScript · Tailwind CSS
At a glance
DuoByte built the frontend of a trading platform with React and TypeScript. It includes login, user management, filtering and sorting, and a modular component structure. The interface is prepared for connecting real-time market data and order features, which can be added on this foundation.
Our role: Frontend development of the web application: component architecture, login and user management screens, and preparation for market data and order features.
Project work
How the project came together: from the context and requirements through implementation to where it stands today.
Context
Trading platforms connect their users with market data and trading functions for different financial instruments. Before prices are displayed and orders are placed, such an application needs an interface that reliably handles login and users and presents data clearly.
In this project, DuoByte built that foundation: the frontend of a trading platform that covers login, user management and data views and is structured for connecting market data and trading functions.
Challenge
In financial trading, the demands on an interface change as soon as real data flows. Real-time prices update continuously, and order entry differs from one financial instrument to another. A frontend that does not account for this from the beginning often has to be largely rewritten when it is extended.
The task was therefore not just to design screens. Components and interfaces had to be set up so market data APIs and trading functions can be added without breaking the existing structure. The frontend also needed secure authentication and an interface that works equally well on desktop and mobile devices.
Solution
The frontend covers the features a trading application needs regardless of how it connects to the market. The UI components and interfaces required for real-time market data and order placement are already in place.
Specific market data APIs and trading functions can be connected on this foundation without rebuilding the existing views. The feature set at a glance:
Implementation
The application is built with React and TypeScript. In a financial context, type safety is more than a convenience: the prepared interfaces define the shape of the data passed to components. When a market data API is connected, the compiler checks whether its data matches these interfaces.
The modular architecture separates reusable components from individual views. New trading features can be added as separate modules instead of reworking existing sections.
Tailwind CSS, on top of HTML5, provides a consistent, responsive layout. Because styling lives directly with the components, the look stays consistent as new modules are added.
Outcome
The result is a frontend with login, user management, filtering and sorting that works on desktop and mobile devices. It is the foundation a complete trading application can build on.
Real-time market data and trading functions can be connected to the prepared components and interfaces. Further development builds on typed, modular code that can be extended without reworking the existing interface.
Product & context
Selected views show how the system was conceived and implemented within its domain context.


System architecture
Technologies were combined to suit the task, operating model and long-term maintainability.
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