Upgrading a UK Trading Platform
The Challenge
Their trading platform (stocks, Forex, commodities) was struggling with:
Slow UI – Orders took up to 2 seconds to execute.
High new-user churn – 15% quit within the first week.
Legacy tech debt – Old Ember + Handlebars code slowed down development.
Fragmented architecture – React/Redux + STSS worked poorly together, causing bugs.
Result? Lost clients, overloaded support, and missed profits.
Our Solution
Performance Boost
- Migrated critical parts to React + WebSockets – price updates went from 2000ms → 500ms.
- Refactored Redux store – cut CPU load by 35%.
UX Overhaul
- Added 1-click trading – 28% faster trades.
- Streamlined navigation – key actions now in the "golden triangle" of the screen.
Reliability & Testing
- 100% test coverage (Jest + Cypress) – 70% fewer bugs.
- Upgraded CI/CD – feature releases went from 2 weeks → 3 days.
Results
✅ 78% faster order execution
✅ 17% more new traders stayed (in 3 months)
✅ 40% fewer support tickets
✅ Zero downtime during high load (like NFP news)
Why They Chose Us
✔ FinTech expertise – we know trading systems inside out.
✔ Full-cycle approach – from code refactoring to usability testing.
✔ Seamless teamwork – coordinated 12+ devs across time zones.
Tech stack
