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Trading Terminal

Multi-asset trading workstation with sub-50ms order execution, advanced charting and an institutional-grade DOM.

Low LatencyOrder BookCharts
Trading Terminal
Industry
Capital Markets
Sector
Equities & Futures
Year
2024
Country
United Kingdom
Niche
Low-latency Execution
Team
9 — 1 designer, 4 C++, 2 frontend, 1 QA, 1 PM
Technologies
QtC++FIXRedis Streams
Project Overview

The full story

A prop desk needed an in-house terminal: vendor tools were inflexible, integration with their proprietary signals was painful, and per-seat licensing was eating into PnL.

We built it in Qt/C++ for the latency budget. A custom FIX 4.4/5.0 engine handles order routing, Redis Streams fans out market data to all panels with microsecond fairness, and strategy panels are scriptable in Python via a sandboxed embed. The DOM ladder, charting and order tickets all share a single keyboard model.

Order round-trip latency is consistently under 50ms. Zero crashes in the first 90 days of production trading. The desk saved $2.1M per year in vendor fees while gaining capabilities their previous terminal couldn't match.

01 · The Challenge

What stood in the way

A prop desk needed an in-house terminal — vendor tools were inflexible and their FIX latency budget was tight.

02 · The Solution

How we shipped it

A Qt/C++ terminal with a custom FIX engine, redis-backed market data fanout and pluggable strategy panels.

Project Showcase

Inside the product

Multi-panel trading workspace
Advanced charting with indicators
DOM ladder and order entry
Watchlist and market scanner

Designed for clarity. Built to scale.

03 · The Outcome

Results that moved the business

<50ms
Order RT latency
$2.1M/yr
Vendor cost saved
Unlimited
Symbols on watchlist
0
Crashes (90d)
04 · Key Features

What we built

✓

Custom FIX 4.4 / 5.0 engine

✓

Sub-50ms order round-trip

✓

Scriptable strategy panels

✓

Multi-broker order routing

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