# Manuja Medhankara

> Linux Systems Engineer & Full-Stack Web Developer based in Kegalle, Sri Lanka (UTC+05:30).

Manuja Medhankara engineers resilient Linux infrastructure, builds high-speed web and desktop applications using TypeScript, Astro, Svelte, Rust, and Tauri, and applies practical Linux hardening and web security baselines.

## Core Specializations (Priority Order)

1. **Linux Systems & Server Infrastructure**: Arch, Debian, and Ubuntu administration, kernel sysctl tuning, systemd service orchestration, Docker containerization, Nginx reverse proxies, and Bash/Python automation.
2. **Full-Stack Web & Desktop Development**: High-performance web platforms and ultra-low-RAM desktop applications built with TypeScript, Astro, Svelte, Tailwind CSS, Rust, Tauri v2, WebView2, and SQLite.
3. **Linux Hardening & Web Security**: Automated CIS Benchmark compliance scripts, nftables/SSH hardening, HTTP security header hygiene, and OWASP Top 10 web application auditing.

## Portfolio Projects (https://manuja.dev/projects)

- **[Linux Hardening & Configs Suite](https://github.com/manuja-me/Linux-Configs)**: Automated Linux workstation and server configurations, sysctl kernel tuning, and compliance scripts across Arch, Debian, and Ubuntu.
- **[Zenith Habit Tracker](https://github.com/manuja-me/habit-tracker)**: Terminal-inspired minimalist habit tracking web platform and behavioral addiction weaning engine built with Next.js 16, React 19, Tailwind CSS v4, and Supabase PostgreSQL.
- **[VulnRadar Security Scanner](https://github.com/manuja-me/vuln-radar)**: Desktop security workstation and non-intrusive web vulnerability auditor built with Rust, Tauri v2, and Svelte 5.
- **[VPN Gate Relay Client](https://github.com/manuja-me/vpngate-desktop)**: Native Rust and WebView2 desktop client with embedded OpenVPN orchestration for Tsukuba University's VPN Gate network.
- **[Manuja.dev Swiss Web Portfolio](https://manuja.dev)**: Zero-runtime static web portfolio engineered with Astro 5, TypeScript, and Tailwind CSS.
- **[Sinhala Explainer AI Suite](https://github.com/manuja-me/sinhala-explainer)**: Modular AI agent skill suite for translating technical material into spoken Sinhala while preserving English technical terms.

## Canonical Profiles & Contact

- **Website**: https://manuja.dev
- **Projects Archive**: https://manuja.dev/projects
- **GitHub**: https://github.com/manuja-me
- **LinkedIn**: https://www.linkedin.com/in/manuja-medhankara-rc96
- **X / Twitter**: https://x.com/manuja_me
- **Email**: contact@manuja.dev
- **PGP Fingerprint**: 0x4E5AB5C
- **Security Policy**: https://manuja.dev/.well-known/security.txt