Fintech2026*Full Stack Developer
FinHub-TN
Secure Escrow & Trading Engine
Overview
FinHub-TN is a secure fintech escrow platform that separates core ledger logic (Symfony REST APIs) from the client terminal (JavaFX). It features hash-chained ledger integrity verification, automated wallet management, and real-time transaction alerts via self-hosted n8n and a custom Telegram bot — simulating enterprise banking architectures.
Technologies
JavaFXSymfonyWebhooksTelegram APIn8nLedger Security
Gallery
Challenges
- Meeting strict financial security requirements for escrow transactions
- Preventing financial discrepancies in concurrent peer-to-peer transactions
- Building real-time alerting across multiple communication channels
Solutions
- Implemented hash-chained ledger integrity verification mimicking enterprise banking systems
- Designed atomic state changes to prevent concurrent transaction conflicts
- Integrated self-hosted n8n with custom Telegram bot for real-time transaction alerts
Results
- Zero financial discrepancies across all test transactions
- Real-time alerts delivered under 2 seconds via Telegram
- Full audit trail with hash-chained ledger verification