A full-stack banking simulation platform where users can create accounts, perform secure transactions, and sign high-value envelopes (> $10,000) for verification

transactions API built on top of light-4j

💰 Comprehensive economy system with balance tracking, payment limits.

Reflection: Where your thoughts become documents, your memories become data, and MongoDB becomes your digital soul's best friend

TuplDB is a high-performance, concurrent, transactional, scalable, low-level embedded database.

Apis to interact with crypto blockchains Solana , Ethereum etc

An efficient graph database for large online transactions based on Neo4j

Proyecto personal - Sistema de Procesamiento de Transacciones Bancarias con Validación en Tiempo Real.

A Java-based banking system simulation implementing core banking operations and account management using UML design principles. Includes features like transactions, account types, and user authentication. Perfect for studying UML-based software modeling and Java application development.

Educational Spring Boot project for learning Spring transaction through hands-on experiments

Proyecto Crypto - Taller Web 1

Exactly-Once Processing Across Kafka and Databases: Using Kafka Transactions + Idempotent Writes

HibernateAsserts helps verifying JPA characteristics in Hibernate projects, ensuring correct fetch joins, relationships, and transaction boundaries to prevent performance issues and errors.

Database Assessments 📊 A collection of database assessments covering SQL queries, normalization, indexing, transactions and performance optimization. Perfect for practice & skill improvement! 🚀

DAML code for a Decentralized Marketplace for Tokenized Real Estate - Master thesis

Transactions + Blockchain + Java

ManageHub is a centralized platform designed to streamline and manage all aspects of business operations, from customer data to product inventory and transactions.

LocalWallet : Une application JavaFX pour la gestion sécurisée de portefeuilles Bitcoin.

Spring Based Applications