Dmytro Martynov

- Developed a web application (primex-monitor.com) for concrete production plants with Next.js, enabling real-time tracking of production volumes and inventory across multiple facilities - Implemented infinite scrolling with React Query, utilizing cursor-based pagination to dynamically fetch and append data, while integrating polling to check for new updates continuously - Designed and implemented responsive UI components using Tailwind CSS and Radix UI, ensuring seamless user experiences across devices - Integrated user authentication and role-based access control with NextAuth.js, enabling secure access for administrators and users - Implemented secure REST APIs for factory data submission, featuring authentication via API keys and system UUIDs to prevent unauthorized use of desktop software across multiple devices - Ensured type safety by validating form data, server actions, and API requests with Zod schemas generated from Drizzle ORM schemas for PostgreSQL database - Built a C++ desktop service that runs on local PCs within plants, reads data from SQLite databases fed by industrial controllers, and transmits updates via cURL to the API - Developed a multilingual, SEO-optimized marketing site (primex.org.ua/en) using Next.js, featuring home and product pages, and a contact form, prioritizing server-side rendering and static site generation