Skills and technologies
What Karl builds with, grouped by what each tool is used for, and the courses and certifications behind the networking and security side of his work.
- Languages
- TypeScriptJavaScriptPythonPHP
- Front end
- ReactHTML5 and CSS3Tailwind CSSResponsive web design
- Back end
- Node.jsExpressFastAPILaravelREST APIs
- WordPress and CMS
- WordPress architectureCustom themes and pluginsWooCommerce and booking systemsPHP and MySQL optimization
- Machine learning
- MediaPipePyTorchJupyter
- Systems and hardware
- Ubuntu LinuxRaspberry PiGit and version control
What he writes most.
Interfaces that work on any screen.
The servers and APIs behind the screen.
Where the bus portals were built.
Tools used for experiments and notebooks.
Servers, small computers and version control.
Certifications.
14 completed courses and certifications, mostly through the Cisco Networking Academy.
Cisco and networking
6 courses
CCNA: Switching, Routing, and Wireless Essentials
Our Lady of Fatima University
CCNA: Introduction to Networks
Our Lady of Fatima University
Network Technician Career Path
Cisco Networking Academy
Networking Devices and Initial Configuration
Cisco Networking Academy
Getting Started with Cisco Packet Tracer
Cisco Networking Academy
Exploring Networking with Cisco Packet Tracer
Cisco Networking Academy
Cybersecurity
7 courses
Cyber Threat Management
DICT-ITU Initiative
Ethical Hacker
Cisco Networking Academy
Network Defense
Cisco Networking Academy
Endpoint Security
Cisco Networking Academy
Cybersecurity Fundamentals: Protecting Privacy in the Digital Age
GrayVantage Academic & Corporate Services
IoT and Data Privacy: Protecting User Information in a Hyperconnected Era
Ethtel Programming Computer Services
Cybersecurity Career Roadmap 2026: Skills, Certifications, and Real-World Expectations
Techbridge
Web development
1 courses
From Inquiry to Launch: The Web Design and Development Process
Techbridge
Tell me what you need to run.
Send a message and I will reply myself, usually within a day.