ERD Builder Pro is a professional-grade, high-performance web application designed for developers and database architects to build, document, and visualize complex data structures. Built with a modular architecture and modern tech stack, it offers a seamless experience for database design and technical documentation.

Application for automatically creating a schema for tables and columns in a Postgres database (ERD-diagram). Automatically creating ERD diagrams, display link arrows to the desired column (not only to the table), and have the ability to edit and update the edited diagram

Projekt i implementacja relacyjnej bazy danych dla serwisu telefonów komórkowych (architektura klient-serwer). Obejmuje analizę wymagań, modelowanie ERD, skrypty DDL (SQL) oraz projekt interfejsu (MS Access).

StockVault – secure, emphasizes storage and inventory, Features updated: Integrated the Fortify authentication mechanism and added role-based access control.

Web application designed to streamline telecom customer management. It offers dynamic dashboards for admins and cutomers, enabling easy service subscriptions, payments, rewards, and support—all in one intuitive platform with real-time insights.

Fixes and improvements for the phpMyAdmin designer to enhance its usability

Schema Editor is a free mobile-first, touch-optimized vector design web application for designing, viewing, analyzing, and interacting with electric and circuit schematics, flowcharts, network diagrams, PCB designs, UML designs and architectural floorplans.

End-to-end SQL Server project with schema design, ERD modeling, data seeding, and advanced analytical SQL delivering insights on elections, turnout, and voter behavior

A multi-database IDE for SQL and NoSQL workflows, with AI routing, schema-aware assistance, dashboards, and visual exploration built in.

This project uses SQL to transform messy transactional sales data into a clean, validated dataset for accurate KPI and profitability analysis before BI reporting. I also built a Tableau Public dashboard from this final dataset; it can be viewed via the link below.

Entity Relationship Diagram (ERD) to build analyticsl data repository for the Provincial Government of Bataan that centralizes performance measurements across 37+ departments and/or offices.

A comprehensive database solution for vehicle rental management, featuring ERD design, SQL queries, and relational database implementation for streamlined rental operations.

Project: Designing an HR Database, Udacity Data Architect Nanodegree program. I completed all analysis, schema design, implementation, and SQL development as part of my personal learning journey.

Data Warehouses and Business Intelligence Course Project @ FMI, Sofia University.

A centralized decision-making system that integrates multiple reporting sources into a single real-time dashboard, providing management with instant visibility into operations and enabling data-driven decision-making.

Relational SQL database for food delivery with ERD design, views, triggers, and real‑world operations.

Repository to record all progress made in business architecture emphasis utilizing different diagraming tools and concepts for real world application

End-to-end SQL database design for a simulated hospital ER. Includes EER modeling, relational schema mapping, and complex query implementation with a focus on relational algebra and normalized data architecture.

SQL-based Insurance Claim Management System with data modeling, database design, and analytical queries.