J

jwt-authentication

CRM/back-office system for gyms — member accounts & authentication, trainer scheduling, and membership billing. Modular monolith backend (ASP.NET Core + PostgreSQL) with a React/TypeScript frontend.

EasyLeave is a Leave Management System web application designed to manage employee leaves and requests efficiently.

Group profile: full-stack CMS-driven website for a private English tutor — Next.js 14 frontend with a self-service admin panel and a NestJS 10 + PostgreSQL API. Restored 2024 archive.

NestJS 10 + PostgreSQL REST API and headless CMS: content modules, JWT auth with group-based access, lead capture, image uploads, and Telegram review moderation via inline callbacks.

PWA student web messenger: microservice architecture (PHP REST API + Node.js WebSocket server), real-time group chats, and offline mode support.