# Hashir Sajid — Full Stack Software Engineer

> Hashir Sajid is a versatile Full Stack Web Developer and Software Engineer specializing in building scalable web applications, real-time architectures, interactive 3D user experiences, and AI-powered systems with React, Next.js, Node.js, Express, TypeScript, PostgreSQL, and Supabase.

## About & Professional Identity
- **Name**: Hashir Sajid
- **Role**: Full Stack Web Developer / Software Engineer
- **Website**: https://hashirsajid.vercel.app/
- **Availability**: Open to Full-Time, Contract, and Remote Software Engineering Roles
- **Key Philosophy**: Aim for clarity, quality, and computational efficiency; write clean, production-ready code with strong attention to UX and performance.

## Core Technical Competencies

### Frontend Development
- **Frameworks & Libraries**: React.js (v18/19), Next.js (App Router v15/v16), Redux Toolkit, Context API
- **Languages**: TypeScript, JavaScript (ES6+), HTML5, CSS3
- **Styling & UI Systems**: Tailwind CSS, Shadcn UI, Material UI, OKLCH Design Tokens, Glassmorphism
- **3D & Creative Animations**: Three.js, React Three Fiber (@react-three/fiber), Drei (@react-three/drei), Framer Motion, GSAP, WebGL Shaders, Web Audio API, Lenis Smooth Scroll

### Backend & Cloud Architecture
- **Server Runtimes**: Node.js, Express.js, NestJS
- **API Paradigms**: RESTful APIs, GraphQL, WebSockets, Rate Limiting, Server-Sent Events (SSE)
- **Authentication & Security**: JWT (JSON Web Tokens), Two-Factor Authentication (2FA OTP via Nodemailer), Role-Based Access Control (RBAC), Row-Level Security (RLS)
- **Media & CDN**: Cloudinary Media Asset Management & Transformations

### Databases & Data Persistence
- **Relational Databases**: PostgreSQL, Supabase (with RLS policies and realtime triggers), MySQL
- **NoSQL & Cache**: MongoDB (Mongoose), Redis (caching and rate limiting), Vector DBs (pgvector, Pinecone)

### AI & LLM Engineering
- **Models & APIs**: OpenAI API (GPT-4o), Anthropic Claude, Google Gemini
- **Orchestration**: LangChain, LangGraph, Retrieval-Augmented Generation (RAG) pipelines, Prompt Engineering
- **Scripting**: Python

### DevOps & Tooling
- **Containerization**: Docker, Docker Compose, Kubernetes basics
- **Cloud Hosting & CI/CD**: Vercel, AWS, Azure, GitHub Actions, Linux administration, Git

## Primary Web Pages & Navigation
- [Portfolio Home](https://hashirsajid.vercel.app/): Main interactive showcase featuring 3D particle simulation, interactive synth audio dot grid, terminal bootloader, experience timeline, skills matrix, and contact form.
- [Projects Showcase](https://hashirsajid.vercel.app/projects): Complete gallery of full-stack web applications, AI tools, and engineering accomplishments with source code and live previews.
- [Resume / CV Download](https://drive.google.com/file/d/1giHDGaktcZl7ApcaX5ElPsXwaMOYE9qY/view?usp=drive_link): Verified downloadable curriculum vitae.

## Contact & Profiles
- **Email**: hs58200p@gmail.com
- **GitHub**: https://github.com/hashirsajid58200p
- **LinkedIn**: https://www.linkedin.com/in/hashirsajid/
- **WhatsApp / Phone**: https://api.whatsapp.com/send/?phone=923424406447

## Complete Context & In-Depth Details
For an exhaustive, unabbreviated knowledge base including detailed project breakdowns, architecture designs, work history achievements, and complete technical specifications, see:
- [Full LLM Knowledge File](https://hashirsajid.vercel.app/llms-full.txt)