I build secure, innovative solutions with Python, Django, and web technologies. Specializing in cybersecurity, ethical hacking, and responsive web design for clients worldwide.
Hello! I'm Jonathan Roets, a passionate Python developer and cybersecurity specialist with expertise in web design and Django framework development. My journey began with a diploma in Information Technology, and I've since specialized in secure web applications, ethical hacking, and hardware automation.
I thrive on building clean, secure, and functional digital experiences—whether it's developing intuitive websites with Django, creating Python automation scripts, or exploring cybersecurity tools like BadUSB and Pwnagotchi for ethical penetration testing. My expertise spans both front-end design and back-end security implementation.
Bachelor of Science in Information Technology
Nigel, South Africa
English, Afrikaans
My technical toolkit spans Python development, web design, cybersecurity, and hardware systems. I'm continuously expanding my knowledge to deliver secure, innovative solutions that protect and empower businesses.
Responsive layouts and modern design principles
Interactive UIs and dynamic web functionality
User-focused interfaces and experiences
Content management and theme customization
Canva, Figma for web design mockups
Core language, automation, data processing
Web apps, APIs, authentication systems
Linux system scripting and automation
Data modeling, queries, PostgreSQL
RESTful services, Twilio, WhatsApp
Ethical security assessment techniques
Wi-Fi security, traffic analysis
USB security testing and awareness
Security research and testing
OWASP, secure coding practices
IoT projects and automation systems
System configuration, security hardening
Version control and collaboration
LLaMA2 on Raspberry Pi
A comprehensive Django-based web application for tracking cattle data, breeds, and weights with a secure database and user authentication system.
Python-based desktop application that automatically organizes files by type, date, or custom rules using an intuitive Tkinter GUI interface.
A modern, responsive portfolio website showcasing web design skills with dark/light mode, animations, and cross-browser compatibility.
A text-based adventure game developed in Python featuring branching storylines, inventory management, and dynamic character interactions.
Comprehensive IT education focusing on Python development, cybersecurity principles, database management, and web application development. Specialized coursework in secure coding practices and system architecture.
• Developing secure web applications using Python, Django, and modern front-end technologies
• Creating custom security testing tools and automation scripts for clients
• Designing responsive and accessible web interfaces with focus on security best practices
• Implementing penetration testing and vulnerability assessments for web applications
• Building Python automation solutions for business processes and data management
Gained hands-on experience in client communication, data management, and real estate sales processes.
Developed a strong understanding of CRM systems and property listing workflows, providing valuable insight for building real estate web applications.
Leveraged industry knowledge to align software solutions with the needs of agents and clients, supporting the development of property management and CRM SPAs.
Managed daily operations, sales tracking, and customer service for a mobile coffee trailer.
Developed simple inventory tracking and management systems to streamline business processes.
Demonstrated responsibility, problem-solving, and workflow optimization—skills directly transferable to software development.
Looking for a Python developer with cybersecurity expertise or need a custom web design? I'm available for freelance projects, security assessments, and ongoing development work.
Thank you for reaching out. I'll get back to you soon regarding your Python development or cybersecurity needs.