hyperFounder

hyperFounder / hft-trading-engine

Public

Java Spring Boot HFT Engine with asynchronous multithreading and pessimistic DB locking

14
6
100% credibility
Found Feb 09, 2026 at 11 stars -- GitGems finds repos before they trend. Get early access to the next one.
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AI Analysis
Java
AI Summary

A simulator for high-frequency trading that lets you execute buy orders, view your portfolio value, and test concurrency by handling many trades at once.

How It Works

1
🔍 Discover the Trading Simulator

You find this fun simulator online that lets you pretend to do super-fast stock and crypto trades like the pros.

2
💻 Get It Ready on Your Computer

You download everything and set it up so it's ready to play with on your own machine.

3
🚀 Launch Your Trading Playground

With one simple start, your personal high-speed trading world comes alive and waits for your moves.

4
🌐 Open the Easy Trade Interface

You visit a friendly web page in your browser that shows all the ways to buy and check your stuff.

5
⚡ Make Your First Quick Trade

You pick a coin like BTC, say how much to buy with dollars, and hit go—it happens in a flash safely.

6
📊 Peek at Your Portfolio

You check your balance and see exactly what you own, valued in real-time dollars.

7
🧪 Test It Under Pressure

You send a bunch of trades at once to see how it handles the chaos without messing up.

🎉 Trading Master Simulator

You've safely simulated pro-level fast trading, learned how it stays accurate even when busy, and had fun!

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Star Growth

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AI-Generated Review

What is hft-trading-engine?

This Java Spring Boot HFT trading engine simulates low-latency order execution in a high-frequency trading environment, handling concurrent buys like swapping USD for BTC while enforcing thread-safe updates and exact-once processing via idempotency keys. Developers get a ready-to-run REST API with endpoints to execute market orders and fetch portfolio summaries, plus Swagger UI for interactive testing and bash scripts to stress-test concurrency or verify retries. It seeds a demo DB with assets and balances, solving race-condition headaches in Java Spring Boot trading prototypes.

Why is it gaining traction?

Unlike basic Java GitHub repos or Spring Boot tutorials, it bundles pessimistic locking for real-world HFT concurrency, BigDecimal precision to dodge rounding errors, and async CompletableFutures that keep the API responsive under load. The hook is the included stress_test.sh firing 100 parallel orders—expecting controlled failures—and test_idempotency.sh proving duplicate requests don't double-dip funds, making it a practical Java GitHub example for hft trading software engineers benchmarking reliability.

Who should use this?

HFT trading engineers or high frequency trading HFT engineers prototyping execution layers in Java Spring Framework. Java Spring Boot devs building rest APIs for fintech sims, or teams using Java GitHub Actions for CI on trading bots needing quick concurrency validation.

Verdict

Grab it as a learning tool or HFT trading engine starter—docs cover build/run/Swagger, tests demonstrate key behaviors—but with 11 stars and 1.0% credibility score, it's immature for production; fork and harden for real Java GitHub repos.

(198 words)

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