💻 Languages: Python, TypeScript, JavaScript, Java, C# / .NET, C++, Rust, Go, PHP, Ruby, Solidity, SQL, Bash, HTML, CSS, Sass
🛠️ Back-End: Node.js, Express, Nest.js, FastAPI, Django, Flask, Spring Boot, Rails, Laravel, WordPress, REST APIs
🎨 Front-End: React, Redux, Next.js, Gatsby, Vue, Nuxt.js, Angular, Svelte, Material UI, Tailwind, Bootstrap, Babel, D3.js, Three.js
📱 Mobile: Flutter, Android
🗄️ Databases: PostgreSQL, MySQL, SQL Server, SQLite, MongoDB
🧪 Testing: PyTest, JUnit, Mocha, Unittest
☁️ Infrastructure: Docker, Kubernetes, AWS, Linux, Git
🧠 Concepts: SOLID & DRY, Concurrency & Multithreading, Secure API Routing, DB Execution Plans, Big-O analysis