# Brian Kareithi — llms.txt
> Full-Stack Developer, React Native & Cybersecurity Specialist (Nairobi, Kenya)

## About
Brian Kareithi builds secure, scalable software end-to-end: typed full-stack
applications, cross-platform mobile apps, and cloud-native infrastructure. He
holds six certifications (Azure Fundamentals, CompTIA Security+, AWS Cloud
Practitioner, Google Cybersecurity Professional, CCNA, IBM Cybersecurity
Analyst) and has delivered 50+ projects across public, private and
entrepreneurial sectors.

## Contact
- Email: kareithibrian2@gmail.com
- Phone: +254 718 593 392
- Location: Nairobi, Kenya
- GitHub: https://github.com/Brian-Kareithi
- LinkedIn: https://www.linkedin.com/in/brian-kareithi-04007637b/

## Key facts
- BSc Information Technology, Umma University (cybersecurity focus)
- 5+ years in tech, 50+ projects delivered
- 18-device homelab: 24/7 Proxmox, RAID-1, ESP32 automation
- Recent focus: React Native (Expo), Next.js, secure cloud architecture

## Pages
- [Home](https://kareithi.vercel.app/) — Overview, roles and quick links
- [About](https://kareithi.vercel.app/about) — Journey, education, certifications, experience
- [Expertise](https://kareithi.vercel.app/expertise) — Six skill domains with capabilities
- [Engineering](https://kareithi.vercel.app/engineering) — Principles, architecture, workflow
- [Diagnostics](https://kareithi.vercel.app/troubleshooting) — Troubleshooting method and case studies
- [Tech Stack](https://kareithi.vercel.app/techstack) — Languages, frameworks, tools by proficiency
- [Selected Work](https://kareithi.vercel.app/projects) — Projects, apps and experiments
- [Homelab](https://kareithi.vercel.app/hobbies) — Gear, builds and lab experiments
- [Contact](https://kareithi.vercel.app/contact) — Email and contact form