portgresql

This project demonstrates performing CRUD (Create, Read, Update, Delete) operations using Flask with various databases including SQLite, MySQL, MongoDB, and PostgreSQL. The application utilizes raw SQL queries for database interactions instead of SQLAlchemy.

Multi-tenant group-run check-in platform — Flutter + Supabase. Portfolio MVP

Blueprint for building production‑ready Express.js backend with TypeScript, PostgreSQL, and clean modular structure.

AI-powered full-stack study platform with summaries, flashcards, quizzes, scoring, and learning analytics.

NestJS + PostgreSQL + Prisma: Full-Stack API Tutorial

The gemini integration for building tool and make it like agent

A 3D metaverse game. It is an interactive virtual space that simulates real-life, in-person interactions

Intelligent Document Summarizer & Q&A System — Django, PostgreSQL, Docker, JWT Auth, FAISS

Production-grade distributed ticket booking system demonstrating concurrent seat reservation, Redis locking, outbox pattern, and chaos testing under load

Um sistema de PDV (Ponto de Venda) completo.

AI-powered learning companion that accepts user queries, retrieves relevant learning resources, and returns a structured, easy-to-consume response.

AI-powered codebase understanding and intelligent refactoring engine.

The Nestjs for crawling comic data

A full-stack ride booking application. This is a full-stack ride booking platform built with React, Node.js, Express, PostgreSQL, and Socket.IO.

Rails 7 basic setup for a blog using Turbo and ImportMaps

Encurtador de links com analytics: slug aleatório (CSPRNG), redirect 302 com contagem atômica, rate limiting e gestão sem login por token secreto. Next.js, TypeScript, Prisma, PostgreSQL (Neon) e Vercel.

Helpdesk is an AI-powered omnichannel support platform that unifies customer tickets across Email and Instagram Direct into a single dashboard. Powered by Google Gemini, it automatically classifies tickets, analyzes customer sentiment, drafts smart replies, and autonomously resolves or escalates issues in real time.

Sniplink é um encurtador de URLs com analytics em arquitetura de microsserviços. Redirect instantâneo e cliques processados de forma assíncrona via RabbitMQ. Stack: Java 21, Spring Boot, PostgreSQL, RabbitMQ, Angular 22 e Docker.

Java-based ETL template built with Flink, offering a modular, decoupled structure designed to quickly bootstrap scalable, testable, and reliable pipelines. Out of the box provides an easily adaptable PostgreSQL to MongoDB migration.