Who I Am

I’m Daniel Mwangi, a passionate cybersecurity engineer and full-stack software developer. I specialize in building security tools, network scanning utilities, and full-stack applications that solve real-world problems. My work spans from network security assessments to mobile app development, always with a focus on creating secure, efficient, and user-friendly solutions.

With expertise in multiple programming languages including Python, Go, Flutter, and Java, I bridge the gap between cybersecurity and software engineering. I believe in the power of open-source software and actively contribute to the developer community through my projects on GitHub.


What I Do

My work encompasses various domains:

  • Network Security & Vulnerability Assessment
  • Custom Security Tool Development
  • Full-Stack Web Development (Django)
  • Mobile App Development (Flutter)
  • API Development & Integration
  • DevOps & System Administration

Philosophy

I believe in building software that prioritizes security from the ground up. Whether it’s a network scanner, a messaging app, or a mental health platform, every line of code should contribute to a safer, more secure digital world. I’m committed to continuous learning and sharing knowledge with the developer community.


Technical Skills

Programming Languages

Python Go Java JavaScript Dart/Flutter PHP Bash

Frameworks & Technologies

Django Django REST Framework Flutter Bootstrap PostgreSQL

Security Tools & Skills

Network Scanning Vulnerability Assessment CCTV Security Port Scanning Banner Grabbing Penetration Testing Cryptography

Development Tools

Git & GitHub Docker Linux VS Code Postman CI/CD Nginx

Notable Projects

2025 - Present

CCTV Security Scanner

Go | Network Security

Developed comprehensive CCTV device detection tool with multi-manufacturer support, vulnerability detection, and default credential checking. Features network-wide scanning with concurrent processing.

2025

MindWell AI Platform

Django | Flutter | PostgreSQL

Built mental health platform with AI-powered chat, mood journaling, community features, and gamification. Full-stack development with REST API and cross-platform mobile app.

2025

Network Scanner Pro

Go | Network Tools

Created high-performance network discovery tool with port scanning, service detection, and comprehensive reporting capabilities in multiple formats.

2025

Symme Encrypted Messenger

Flutter | Cryptography

Developed privacy-focused messaging application with end-to-end encryption, ensuring secure communication where only intended recipients can access messages.


Education & Certifications

Cybersecurity Specialization

Continuous learning through platforms like HackTheBox, TryHackMe, and various security certifications.

Professional Development

Active participation in CTF competitions, security conferences, and open-source contributions.


Let’s Connect

I’m always interested in connecting with fellow developers and security professionals. Whether you want to discuss a project, collaborate on something interesting, or just chat about technology and security, feel free to reach out!