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mkmahmud/README.md

Full Stack Developer • AI • DevOps
Building scalable web apps, shipping AI-powered products, automating the path to production

Profile Views

👨‍💻 Overview

I build products, not just websites — and I own them end-to-end: from database schema to deployed infrastructure.

Over the last 3+ years, I've shipped full-stack applications across Healthcare, EdTech, Travel, E-commerce, and Fitness domains, increasingly built around AI/LLM features and deployed through automated CI/CD pipelines on AWS. My work is driven by real user needs, clean architecture, and systems that scale without babysitting.

🧱 Full Stack Development

Designing and shipping production web apps end-to-end — schema, API, UI, auth, payments.

HTML5 CSS3 JS TS React Next.js Redux Tailwind Shadcn

Node.js Express NestJS FastAPI GraphQL tRPC Socket.io JWT

PostgreSQL MongoDB Prisma SQLAlchemy Mongoose Redis Supabase Firebase

  • 🏥 Healthcare: secure patient management & appointment scheduling systems
  • 🎓 EdTech: LMS platforms with progress tracking, student analytics, biometric attendance, HR/expense management
  • 🚗 Travel/Booking: real-time availability systems with secure payment gateway integrations
  • 🛒 E-commerce: scalable storefronts with complex state management and checkout flows
  • 💪 Fitness: personalized workout tracking with interactive data visualization

🤖 AI Engineering

Building AI features that ship inside real products — not demos.

OpenAI LangChain LangGraph RAG VectorDB Celery Python

  • RAG chatbots built with LangChain for domain-grounded Q&A
  • Multi-agent automation with LangGraph — e.g. AI sales agents that research leads and draft/send outreach autonomously
  • Computer-vision OMR scanning engine for automated exam result processing
  • Swappable-vendor architecture for AI providers, so models can be swapped without rewiring the app

⚙️ DevOps

Taking what I build to production, and keeping it running.

AWS Docker GitHub Actions Nginx Vercel n8n Git

  • CI/CD pipelines (GitHub Actions) deploying to both single-VM (Nginx + systemd) and serverless (Vercel) targets
  • Multi-service Docker Compose stacks (web / API / worker / scheduler / DB / cache)
  • Background job orchestration — Celery workers + beat scheduler across multiple task queues, idempotent processing with row-level locking
  • AWS deployments with S3-compatible storage, Alembic migrations, org-scoped multi-tenancy
  • Workflow automation via n8n/Zapier/Make for internal tooling

🚀 Featured Projects

Codex Edumine — School / coaching-centre management platform

  • Next.js, React 19, TypeScript frontend · FastAPI + SQLAlchemy 2.0 (async) + PostgreSQL backend
  • Computer-vision OMR answer-sheet scanning engine for automated result processing
  • Biometric attendance, academic/HR/student/expense management modules
  • RBAC across 8 roles, audit logging, rate limiting
  • CI/CD via GitHub Actions to a single VM (Nginx + systemd), with an alternate Vercel serverless deployment path

SalesPilot — Multi-tenant AI sales automation SaaS

  • FastAPI + Next.js 15 with LangGraph-based AI agents for automated lead research and email generation/sending
  • 6-service Docker Compose stack (web / api / worker / beat / PostgreSQL / Redis)
  • Celery workers + beat scheduler orchestrating 11 task queues, idempotent job processing via row-level locking
  • Append-only event table for auditability, org-scoped tenant isolation
  • Deployed on AWS with S3-compatible storage, Alembic migrations, swappable-vendor architecture for AI/email/Stripe providers

📫 Connect with me

Portfolio LinkedIn Email

GitHub Stats

GitHub Stats Top Languages

Let's build something meaningful.

Full Stack · AI · DevOps

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  1. MediTech MediTech Public

    Medi Tech is a high-performance, tactical medical management interface designed for modern healthcare environments. Built with a focus on Operational Intelligence and System Security, it provides a…

    TypeScript

  2. driveflow driveflow Public

    DriveFlow is a high-performance, full-stack web application designed for secure user management and seamless cloud interactions. This project demonstrates a modern Type-Safe architecture that elimi…

    TypeScript

  3. wanderplan wanderplan Public

    To build a full-stack Travel Planner App where users can plan trips, manage itineraries, track budgets, collaborate with others, and receive travel-related suggestions and updates.

    TypeScript

  4. dev-port dev-port Public

    The Portfolio Management Application is a powerful and centralized system designed to streamline the management of portfolios by different users, providing a comprehensive solution for organization…

    JavaScript 2 1

  5. Blossom-Academy-Frontend Blossom-Academy-Frontend Public

    Exclusive online platform for student sign-ups, managed by admins. Features 30-student batches, one-on-one sessions, chat, automatic attendance, and selective access. Admin-assigned teachers handle…

    TypeScript 1

  6. fitness fitness Public

    Fitness website with user accounts, membership management, personalized cards, meal plans, trainer tools, and admin capabilities."

    JavaScript 4 2