Tech Stack
The Challenge
Building a real-time trading platform comes with multiple challenges — handling live market data, ensuring accurate price updates, integrating secure payment systems, and maintaining a smooth user experience across web and mobile. At the same time, the platform needed to stay responsive, fast, and easy to use for both new and experienced traders.
My Role
I worked as a Senior Front-End Engineer, contributing across web and mobile: Developed responsive frontend using Next.js with server-side rendering Built real-time market data visualization using Socket.IO Integrated backend APIs based on Swagger documentation Collaborated with backend teams to ensure accurate and structured data flow Implemented third-party services for live crypto data and payments Developed iOS mobile application using React Native Coordinated with design to ensure pixel-perfect UI across devices
The Solution
I focused on creating a fast, real-time, and user-friendly trading experience: Implemented live market updates with candlestick charts using WebSockets Integrated multiple payment gateways (Stripe, Alchemy Pay) for seamless transactions Built dynamic currency conversion based on real-time market prices Used Next.js for improved performance and SEO through server-side rendering Managed content and SEO dynamically using Sanity CMS Ensured consistent UI/UX across web and mobile platforms
Impact
Delivered a real-time trading experience with accurate market data Enabled smooth fiat-to-crypto transactions through integrated payment systems Improved performance and SEO with server-side rendering Created a scalable frontend architecture for future feature expansion
Key Features
Real-time market data with candlestick charts. Buy, sell, and swap cryptocurrencies. Fiat on-ramp integration (Stripe, Alchemy Pay). Social copy-trading functionality. Live currency converter. Mobile app (iOS) using React Native. Blog and SEO management via headless CMS.
Final Takeaway
This project strengthened my ability to handle real-time systems, third-party integrations, and performance-focused frontend development — especially in high-demand environments like crypto trading platforms