SQLite-based MCP memory server with WAL mode for concurrent access. Drop-in replacement for @modelcontextprotocol/server-memory

EliteBank is a secure, full-stack MERN (MongoDB, Express, React, Node.js) banking application designed for high-performance transactions. It features a dual-entry atomic ledger to ensure data integrity, mandatory hashed PIN verification for all transfers, and a modern, responsive UI built with React and Tailwind CSS. The system leverages Redis for

A high-integrity, ACID-compliant fintech backend engine. Features integer-based math for precision, double-entry bookkeeping, atomic transactions, and centralized error handling.

🏦 Production-grade Banking Ledger API with double-entry bookkeeping, ACID transactions, JWT auth, immutable ledger integrity, and Swagger docs. Built with Node.js, Express 5, MongoDB & Zod.

VaultPay is a fast, secure, and user-friendly payment app designed for seamless transactions. Built with modern tech, it ensures safety and simplicity for all your payment needs.

Mini E-Commerce API: Production-style Node/Express + MongoDB backend with JWT auth, RBAC, product CRUD, persistent carts, and ACID transactional checkout (MongoDB sessions). Includes soft-delete products, cancellation abuse blocking, Postman docs, and minimal Jest/Supertest integration tests.

Core-Banking API robusta construida con Node.js y MongoDB. Implementa transacciones ACID, seguridad con JWT, idempotencia financiera y documentación interactiva con Scalar. Enfocada en la integridad de datos y arquitectura limpia (MSC).

Scalable movie ticket booking microservice using transactions, row-level locking, ACID guarantees, temporary seat reservations, and pluggable payment gateways to prevent double booking under concurrent requests.

A Node.js wallet API for safe transfers and deposits using ACID transactions to keep balances accurate.

Enterprise-grade backend upgrade focusing on high performance and DevOps. Features ACID-compliant transactions (PostgreSQL), low-latency caching (Redis), and automated CI/CD pipelines via GitHub Actions.

A self-paced learning project for YugabyteDB — distributed SQL concepts, architecture deep-dives, hands-on YSQL/YCQL exercises, and a Node.js + Fastify sample app.

A DBMS-powered application for managing grocery store operations with ACID-compliant transaction handling. Supports customer ordering, profile management, and detailed admin controls like stock refill and sales analysis. Ensures data integrity, secure login, and smooth user experience for both customers and administrators.

Production-grade fintech payment ledger engine implementing double-entry bookkeeping, ACID transactions, and robust idempotency patterns.

Production-ready backend ledger with JWT auth, RBAC, MongoDB transactions, and scalable REST APIs.

Backend system for a banking application built using Express.js. Provides core banking functionalities such as account management, balance handling, and secure fund transfers between users (acid transactions).

INTERNAL WALLET SERVICE : A high-performance, Ledger-Based Credit Management System built using Node.js and SQLite. This service is designed to handle virtual currencies as a banking system.

A to-do app, but with real money on the line. Miss a deadline, and your assigned friend gets your deposit. Built with Postgress,Node,Express and React..