Mahbub Hassan

Md Mahbub Hassan

AI Engineer | Senior Fullstack & Mobile Developer

AI Engineer with 9+ years of software development experience, merging expertise in fullstack and mobile engineering with practical AI implementation. Specialized in integrating large language models (LLMs), building LangChain pipelines, and developing AI-enhanced systems using FastAPI, Node.js, and React. Proven ability to architect scalable solutions and lead teams to deliver intelligent, data-driven products.

Mobile: +8801521214964Email: moonss.dev@gmail.comGitHub: github.com/mahbubmunna

Core Skills & Expertise

Programming Languages

TypeScript95%
Python90%
Dart85%
Java/Kotlin75%

AI & ML Tools

OpenAI APIs90%
LangChain85%
RAG Pipelines80%
LoRA / PEFT70%
Prompt Engineering95%

Web & Backend

React.js / Next.js95%
FastAPI90%
Node.js / Express.js85%
Tailwind CSS98%
Redux / Zustand80%

Mobile & Architecture

Flutter85%
React Native75%
Microservices90%
Docker / CI/CD85%
PostgreSQL / MongoDB80%

AI Experience

  • Built and deployed intelligent agents using **LangChain and OpenAI APIs** for automation and customer interaction.
  • Integrated **GPT-based assistants** into Flutter and React apps for user support and smart recommendations.
  • Developed microservices using **FastAPI** to handle AI inference and data workflows.
  • Designed **RAG pipelines** with vector databases for contextual document retrieval.
  • Experimented with **fine-tuning (LoRA, PEFT)** to improve domain-specific model accuracy.

Professional Experience

Technical PM & Fullstack Developer (AI Systems)

Fair Pattern

  • Led fullstack and AI system initiatives, bridging backend logic, frontend design, and intelligent automation.
  • Integrated OpenAI APIs with FastAPI services for workflow and document automation.
  • Developed React + Node.js dashboards with AI recommendation modules.
  • Streamlined deployments with Dockerized microservices and CI/CD.
  • Mentored developers on implementing AI models and scalable architecture.

June 2023 – Present

Senior Fullstack Engineer

Bigspace Ring

  • Developed fintech and blockchain solutions, preparing backend and analytics systems for AI integration.
  • Designed modular Node.js and React applications.
  • Improved backend scalability with caching and optimized APIs.

2021 – 2023

Software Engineer (Mobile & AI-Assisted Search)

Advanced Apps Bangladesh Limited

  • Built Flutter and Android apps with robust architecture, focusing on performance and AI-assisted search capabilities.

2019 – 2021

Mobile Engineer

Wizdoor Incorporation

  • Focused on developing and maintaining mobile applications.

2017 – 2019

Junior Android Developer

TheCoffeeCoders

  • Initial experience in Android development.

2016 – 2017

Education

BSc in Computer Science & Engineering (CSE)

Daffodil International University

  • CGPA: 3.64. Focused on core programming, algorithms, and software design principles.

2013 — 2016