Theming and Brand Customisation at Scale with Design Tokens
How design tokens power white-label trading platforms across dozens of clients - token architecture, runtime switching, and maintaining consistency at scale.
Blog
Insights on building trading applications with React.
Server-Sent Events vs WebSockets for Market Data Delivery
Trade-offs between SSE and WebSockets for streaming market data - reconnection, scalability, browser limits, and when each makes sense.
Building a Notification System for Trading Alerts in React
Price alerts, order fills, margin warnings - designing a real-time notification architecture that informs without overwhelming.
Latency Budgets for Trading UIs: Where Your Milliseconds Go
Profiling the render pipeline from WebSocket message to screen update - identifying bottlenecks, setting budgets, and measuring what matters.
Internationalisation for Crypto Exchanges: Beyond Just Translation
Number formatting, RTL layouts, timezone handling, and regulatory copy - the full scope of internationalisation for trading platforms.
Error Boundaries and Graceful Degradation in Trading Applications
Keeping a trading app usable when a single widget crashes or a data feed drops - isolation strategies, fallback UIs, and recovery patterns for React.
Streaming Candlestick Charts: From Raw Ticks to Rendered Pixels
The data pipeline behind live-updating OHLCV charts - aggregating ticks into candles, handling partial candles, and keeping the chart responsive under load.
Handling Multi-Asset Portfolios in a Single React Interface
UI patterns for displaying crypto, equities, and derivatives side by side - normalising data models, switching contexts, and keeping the interface coherent across asset classes.
Accessibility in Trading UIs: Why It Matters More Than You Think
WCAG compliance, keyboard navigation for power users, and screen reader considerations for financial data - practical guidance for making trading interfaces accessible.
React 19.2+ and the Compiler Era: What It Means for Trading UIs
React Compiler 1.0 brings automatic memoisation to production. Here's what changes for trading applications - what you can remove, what you should keep, and the new APIs that matter.
Building a Real-Time Order Book in React: A Deep Dive
How to model, merge, and render a live order book from a WebSocket feed - covering data normalisation, price level aggregation, and rendering at 60fps.
WebSocket State Management Patterns for Crypto Trading Apps
A comparison of architectures for handling persistent WebSocket connections in React - reconnection logic, subscription lifecycles, and graceful degradation.
Designing Dark Mode for Trading Interfaces
Why trading UIs are almost universally dark, the science behind it, and a practical guide to building a token-based theming system that handles both modes.
How to Choose a Charting Library for a Crypto Trading Platform
A breakdown of the main charting libraries evaluated against the specific demands of candlestick rendering, real-time streaming, and large dataset performance.
From Zero to Production: What Most Trading UI Projects Get Wrong
The hidden complexity teams underestimate when building trading frontends - number formatting, timezone handling, order state machines, and why these take far longer than expected.
Building Resizable, Dockable Panel Layouts in React
How professional trading terminals achieve flexible multi-pane layouts - with a technical walkthrough of drag-to-resize, panel persistence, and responsive breakpoints.
TypeScript Patterns for Financial Data in React
Practical type modelling for orders, positions, and market data - covering discriminated unions, branded types, and avoiding floating point pitfalls.
How to White-Label a Trading Application: A Developer's Guide
Architecture decisions that make a trading UI themeable by multiple clients - CSS custom properties, runtime theme switching, and isolating client branding from core components.
Testing Real-Time React Components: Strategies for Trading UIs
How to write reliable tests for components that depend on WebSocket data - mocking feeds, simulating rapid updates, and testing reconnection edge cases.
Reducing Time-to-Market for Crypto Exchanges: Build vs. Buy
A cost-benefit analysis for engineering teams weighing a custom trading UI build against starting from a pre-built foundation.
5 Tips for Building Performant React Trading Applications
The five highest-leverage performance optimisations for React trading UIs - from WebSocket throttling to Web Workers and atom-based state management.