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Projects

Projects

Visit Management Platform

VISIGATE

Solo-built a visit management platform for a government organization to replace their paper-based entry and exit system and phone-call reservations. Handled everything end to end: visit scheduling, real-time tracking, analytics dashboard, and full business logic. Tracks complete visit history including who was visited, when, and why.

  • NestJS
  • TypeScript
  • PostgreSQL
  • TailwindCSS
  • i18n

Messaging Platform

CMDA

Built the entire messaging module for a labor marketplace platform connecting clients with service providers. Handled real-time chat with file upload and preview, group messaging, block and archive controls, and automated email alerts for unread messages after 24 hours. Also built the website auth and security layer, and the backend payment integration.

  • Next.js
  • Express.js
  • TailwindCSS
  • Socket.io
  • PostgreSQL

HR Information System

SIRH

Contributed to a large-scale HR management system as part of a 14-person team. Built user, entity, and enterprise CRUD modules. Identified and patched authentication vulnerabilities, including privilege escalation flaws in the auth layer. Modernized the frontend design by migrating from Bootstrap to Tailwind. Also made the architectural call to adopt TypeScript over the legacy Python stack to leverage the existing GraphQL infrastructure.

  • React.js
  • Express.js
  • GraphQL
  • PostgreSQL
  • Socket.io

Mobile Delivery App

PROXECO

Joined an existing team and solo-built the React Native delivery app for a mobile marketplace, connecting buyers, sellers, and delivery agents with real-time tracking via Google Maps and WebSocket. Integrated the mobile app with the existing backend, added Stripe payment processing, and secured the server infrastructure. The app was fully built and tested with real users.

  • React Native
  • Express.js
  • Socket.io
  • PostgreSQL

Screenshots available upon request

E-Commerce Platform

Slodka Szkola

Contributed to migrating a cake e-commerce platform from WordPress to Next.js, improving SEO and load speed. Built the FAQ page, multi-criteria product filtering with combined query, category, date range, and pagination. Also built reusable frontend UI components including modals, buttons, forms, inputs, and selects with Zod validation and react-hook-form for the senior team to integrate.

  • Next.js
  • Express.js
  • MongoDB
  • Sass