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Sajjad-Matin/README.md

Sajjad Matin

Full-Stack Engineer Β· Clean Architecture Β· AI-Powered Applications

I design and build production-grade systems β€” from scalable APIs to intelligent, LLM-driven products.

LinkedIn Portfolio Email


About Me

I'm a full-stack developer based in Kabul, Afghanistan, focused on building open-source tools and AI-powered applications with an emphasis on clean architecture and maintainable systems.

  • 🧠 Currently integrating LLMs into real-world products β€” from intelligent APIs to context-aware UIs
  • πŸ—οΈ Strong believer in domain-driven design and keeping business logic away from frameworks
  • πŸ”­ Building in public β€” all my serious projects are open source
  • πŸ’¬ Ask me about NestJS architecture, TypeScript patterns, or AI integration

Tech Stack

Languages & Runtimes

TypeScript JavaScript Node.js

Frontend

React Next.js Tailwind CSS

Backend & Architecture

NestJS Express REST API

Databases

PostgreSQL MongoDB

AI & LLMs

OpenAI LangChain

Tools & DevOps

Git Docker GitHub Actions


Featured Projects

A government-grade platform that digitizes the management of state-owned real estate across the country β€” replacing paper-based records with a centralized, secure system. Supports property registration, staff/department assignments, lease and trade contract management, and full reporting dashboards so government officials have real-time visibility over national property assets.

NestJS React Tailwind CSS PostgreSQL JWT TypeScript


An automated school scheduling engine that eliminates the manual headache of timetable planning. Input your teachers, classes, and rooms β€” the system handles the rest, generating conflict-free schedules based on teacher availability across all classes. Features multi-room support, conflict detection, and PDF export for instant distribution.

Next.js Tailwind CSS Node.js Express PostgreSQL Prisma TypeScript


A full-featured online learning platform built for the Afghan market. Students can enroll in courses, watch video lessons, take quizzes, and track their progress β€” with payments processed via HesabPay, Afghanistan's local payment gateway. Built with a clean REST API backend and a responsive React frontend.

Laravel PHP MySQL REST API React Chakra UI


GitHub Stats

Profile Summary Repos Per Language Most Commit Language

Currently

  • πŸ”¨ Building AI-powered open-source tools
  • πŸ“– Deep-diving into LLM orchestration and agentic systems
  • 🀝 Open to collaborations on open-source projects and freelance opportunities

"Build systems that are easy to change, not just easy to build."

Pinned Loading

  1. Real-Estate-Management-System Real-Estate-Management-System Public

    Government-grade platform for digitizing state-owned real estate management across Afghanistan β€” property registration, contracts, assignments & reports.

    TypeScript 2

  2. Restaurant-Management-System Restaurant-Management-System Public

    Full-stack restaurant management system with customer ordering, table reservations, admin dashboard, and HesabPay payment integration β€” built with NestJS, Prisma, and Next.js.

    TypeScript 2

  3. edulearn-academy edulearn-academy Public

    Online learning platform for the Afghan market with HesabPay payment integration, video lessons, course management & student progress tracking.

    TypeScript 2

  4. timetable-generator timetable-generator Public

    Automated school scheduling engine β€” generates conflict-free timetables across teachers, classes & rooms with PDF export.

    JavaScript 2