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Achievement: Pull Sharkx2Achievement: YOLO

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arjunharshana/README.md

Hi, I'm Arjun Harshana

FullStack & DevOps Engineer | MERN | C++ | Python

I am full stack developer with a strong focus on designing robust backend architectures and scalable systems.

My core expertise lies in the MERN stack, Python, and C++, which I leverage to build highly functional, performance-driven web applications. Whether I'm architecting databases, optimizing APIs, or exploring new DevOps practices, I am deeply passionate about solving complex engineering challenges from the ground up and bringing my own ideas to life through code.

🔧 Tech Stack

Backend & Databases

  • Node.js, Express.js
  • TypeScript
  • MongoDB, MySQL

Languages

  • C++
  • Python
  • Javascript

DevOps & Tools

  • AWS, Docker
  • GitHub Actions, CI/CD pipelines
  • Git & GitHub Version Control

Frontend

  • React
  • Tailwind CSS
  • HTML, Javascript

🚀 What I Work On

  • Building scalable Node.js/Express backend systems and full MERN stack applications.
  • Architecting and deploying DevOps infrastructure for seamless integrations.
  • Designing specialized web platforms, ranging from complex social networks to functional e-commerce and utility applications.
  • Practicing Data Structures, Algorithms, and real-world system design.

🛠️ Featured Projects

  • express-waf — Developed and published a custom Web Application Firewall (WAF) middleware for Express.js to the npm registry, focusing on enhancing API security.

  • Klubnet — Engineered a full-stack social networking platform featuring a multi-step registration flow and secure authentication, built using the MERN stack.

  • CrossTable — Designed and developed a comprehensive chess tournament manager website to streamline player organization and bracket management.

  • Python Recon Tool — Built modular reconnaissance scripts for automated network and web analysis, featuring active and passive scanning capabilities.

⚡ Beyond the Code

When I'm not pushing code, you can find me:

  • ♟️ On the Chessboard: I am a FIDE rated chess player and coordinate the college chess club.
  • 📸 Behind the Lens: I am a photographer curating artsy, street, and moody visuals over at istealpixels

🤝 Open To

  • 💻 Full-stack Development opportunities
  • ⚙️ Backend & DevOps Engineering roles
  • 🌍 Open Source Software (OSS) contributions & collaboration
  • 🧠 Competitive Programming (CP) and algorithmic challenges

🔗 Connect With Me

Pinned Loading

  1. crosstable crosstable Public

    Chess Tournament Manager

    TypeScript

  2. klubnet klubnet Public

    JavaScript 1

  3. express-waf express-waf Public

    Custom Express Security Middleware Package

    TypeScript

  4. recon_tool recon_tool Public

    A basic passive reconnaissance tool made using Python. It checks tech stacks, security headers and hidden directories in a website.

    Python 4

  5. active_recon_tool active_recon_tool Public

    A modular, multi-threaded active reconnaissance tool.

    Python 1