01 / Overview
A full-stack football simulation platform and Web3 gaming dashboard featuring mathematical Poisson match engines, escrow-backed P2P transfer markets, and real-time 2D pitch coordinate visualizers.
The Core Purpose
Tactical Football Club Management & Closed-Loop Economy Engine
02 / The Problem
Browser-based simulation games frequently fail in two areas: database race conditions during concurrent marketplace trades, and awkward layout distortion or clipping when complex match tactics are viewed on mobile screens.
03 / What I Did
Commissioned via CodeRigi as Lead Systems Architect and Full-Stack Developer. I architected the relational database schemas, programmed the match engine mathematics, set up background task queues, and engineered the responsive dashboard.
04 / How I Thought About It
Game economies crash when tokens have no real utility. I designed a closed-loop economic model with platform sales tax sinks, facility upgrade cooldowns, and escrow locks on bids so the in-game currency remained fundamentally balanced.
05 / What I Built
A mathematical Poisson match simulation engine, double-entry transactional token ledger, escrow-backed player transfer marketplace, real-time 2D HTML5 canvas pitch coordinate visualizer, and background tournament daemons.
06 / The Architecture & System
Engineered with Node.js and Express.js, PostgreSQL with transaction isolation, Redis FIFO queues, HTML5 Canvas API, and compiled with Vite for sub-2s asset delivery.
Technical Stack & Infrastructure
Node.js · Express.js · PostgreSQL · Redis · HTML5 Canvas API · Vite
07 / The Result
Successfully delivered a working tactical MVP with 22-player real-time pitch coordinates, 3 concurrent tournament brackets, and zero race conditions during simultaneous player transfers.
Harry's Role & Execution
Lead Systems Architect & Full-Stack Developer
The Lesson
Complex dashboards require strict structural containment. Locking layout boundaries and delegating scroll to local containers transforms a web app into a desktop-grade operational tool.
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