Full Stack Development Engineer Intern at LinkAII — Auto & Co Project

Developed and maintained a full-stack platform using Flutter/Dart and a Symfony/.NET-style REST backend architecture. Designed and implemented REST APIs for communication between the mobile app and backend services, including business logic through API platform services and supporting repositories/providers/processors. Built and evolved a PostgreSQL database using Entity Framework Core with Doctrine ORM (entities/relations/repositories/migrations). Implemented role-based authentication and authorization using ASP.NET Identity, managing roles and access rights. Integrated AI features into the business application, including YOLO for person detection, ByteTrack for tracking, and DeepFace for age/gender/emotion estimation. Worked on store/camera/manager/analytics data management features with an architecture separating frontend, backend, database, and AI services. Added features for a vehicle rental domain: vehicles/customers/bookings and rental operations; implemented admin/customer role

Mobile App Developer at GuidTour

Created a mobile application for interactive tourism guidance using MAUI and .NET technologies. The app allows users to scan QR codes on historical sites or cultural objects to earn points and rewards, promoting cultural engagement through technology.