Harendra Thennakoon

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Hands-on engineering across every layer

A project-based approach to building — from circuit boards to production web apps.

I'm a Computer Engineering undergraduate and freelance developer based in Sri Lanka. I founded Godragun in 2024, a hardware startup for embedded systems and robotics, and co-founded Xyrex in 2026. I work at the intersection of hardware, software, and artificial intelligence — designing autonomous systems, computer vision pipelines, and full-stack applications that solve real problems. Every project starts on the bench and ships to production.

ESP32 · Pi · Arduino

Next.js · React · Node

YOLOv5 · OpenCV

Where I build

Co-Founder of Xyrex (2026) and Founder of Godragun, a hardware startup since 2024.

Xyrex

Co-Founder & CTO

2026 – Present

Co-founded Xyrex in 2026 — an AI engineering agency building applied automation, custom software, and scalable systems for modern enterprises, from concept to production deployment.

Godragun

Founder

2024 – Present

Founded Godragun in 2024 — a hardware startup building embedded systems and robotics solutions, from circuit design and PCB layout to firmware integration and production-ready prototypes.

Technologies I use

Languages, frameworks, and platforms across hardware and software.

Click any icon in the slider to see how I use it.

Software projects

Web apps, AI systems, and interactive experiences.

Hardware projects

Hover or tap to reveal details and GitHub links.

Credentials and certifications

Hover a certificate to flip it and see the skills gained.

Python

Python

Skills gained

Python

  • Python syntax & OOP
  • Data structures
  • Scripting & automation
  • Problem solving
JavaScript

JavaScript

Skills gained

JavaScript

  • ES6+ fundamentals
  • DOM manipulation
  • Async programming
  • Interactive web apps
HTML

HTML

Skills gained

HTML

  • Semantic markup
  • Accessibility basics
  • Forms & media
  • SEO-friendly structure
CSS

CSS

Skills gained

CSS

  • Flexbox & Grid
  • Responsive design
  • Animations
  • Modern layout systems
AI Fundamentals

AI Fundamentals

Skills gained

AI Fundamentals

  • Machine learning basics
  • Neural networks
  • AI workflows
  • Model evaluation
Cybersecurity

Cybersecurity

Skills gained

Cybersecurity

  • Threat awareness
  • Secure practices
  • Risk mitigation
  • Digital safety
Networking

Networking

Skills gained

Networking

  • TCP/IP fundamentals
  • Network protocols
  • Routing concepts
  • Connectivity troubleshooting
Hardware

Hardware

Skills gained

Hardware

  • Circuit fundamentals
  • Embedded systems
  • Component integration
  • Hardware debugging
Ethical Hacking

Ethical Hacking

Skills gained

Ethical Hacking

  • Penetration testing fundamentals
  • Vulnerability assessment
  • Network security testing
  • Ethical hacking methodology

Let's work together

Have a project in mind? Send a message — I respond to all inquiries.

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