Marcel Moskwa

Tech: PHP, HTML/CSS, MySQL

• Developed a PHP-based reporting system that generated operational and logistics reports using real company data
• Designed and optimized MySQL queries to analyze order, delivery, and inventory datasets
• Created internal calculation tools, including a tire replacement calculator and delivery cost calculator
• Improved and refactored existing internal scripts, increasing maintainability and reliability
• Collaborated with staff to adapt reporting tools to daily business needs and workflow requirements

Tech: Next.js, TypeScript, T3 Stack, Tailwind, PostgreSQL, Drizzle ORM

• Built and expanded full-stack features using the T3 Stack as part of my first production-oriented project with this technology
• Extended an internal employee management panel by enhancing the company’s leave and holiday management system
• Implemented responsive UI components and improved existing user flows using Tailwind CSS
• Collaborated with developers during code reviews to maintain high code quality and consistency
• Supported deployment workflows and participated in monitoring application performance
• Gained hands-on experience with full-stack architecture, database schema design, and integrating backend logic with modern frontend frameworks

Tech: PHP, WordPress (Custom Plugins & Backend Logic)

• Worked as a contract full-stack developer at RecodeIT on the reservation system for d9space.com.
• Designed and implemented the multi-step booking flow (date, space, layout, features, final submission).
• Integrated the module with the client’s existing WordPress setup and admin tooling.
• Implemented backend logic for bookings, availability and data validation.
• Prepared an administration interface for managing bookings and reservations.
• Tailored the solution to specific business requirements and workflows.