🎓 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: contact@szymonsulejczak.com