🎓 Software Developer | 👨‍🏫 IT Teacher | 🌐 Web Developer (Freelance)

Welcome to my GitHub profile!
I create modern, secure web applications and share my passion for programming and IT technologies through teaching.

My name is Szymon Sulejczak. I am a software developer and an IT teacher specializing in web technologies.
On a daily basis, I work on building web applications and websites, as well as teaching programming, databases, and web technologies.

I hold a Bachelor’s degree in Computer Science, specializing in Software Engineering, and I have continued my studies at the Master’s level, focusing on Network and Telecommunication Systems Security.

I am also the author of the educational platform szybkie-kursiki.pl, which is designed to teach programming and database fundamentals through practical materials and interactive content.

My interests include:

• modern web technologies,
• IT and application security,
• machine learning and data analysis,
• designing functional and user-friendly applications.

Backend

• Python (Django)
• NestJS
• MySQL
• PostgreSQL
• Redis

Frontend

• Angular
• JavaScript / TypeScript
• HTML5, SCSS, Bootstrap

Other

• WordPress (CMS)
• Machine Learning
• UX/UI Design
• Cybersecurity
• Creating IT educational materials

• 🌍 Web applications – modern, responsive, and secure
• 🏢 Company and portfolio websites
• 🧩 CMS-based websites (WordPress)
• 📘 Educational platforms and IT learning materials
• 🔐 Security-aware application development

🌐 Portfolio: https://szymonsulejczak.com
✉️ E-mail: [email protected]